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-rw-r--r--contrib/test_decoding/expected/binary.out35
-rw-r--r--contrib/test_decoding/expected/catalog_change_snapshot.out134
-rw-r--r--contrib/test_decoding/expected/concurrent_ddl_dml.out799
-rw-r--r--contrib/test_decoding/expected/concurrent_stream.out24
-rw-r--r--contrib/test_decoding/expected/ddl.out845
-rw-r--r--contrib/test_decoding/expected/decoding_in_xact.out87
-rw-r--r--contrib/test_decoding/expected/decoding_into_rel.out111
-rw-r--r--contrib/test_decoding/expected/delayed_startup.out50
-rw-r--r--contrib/test_decoding/expected/messages.out99
-rw-r--r--contrib/test_decoding/expected/mxact.out90
-rw-r--r--contrib/test_decoding/expected/oldest_xmin.out40
-rw-r--r--contrib/test_decoding/expected/ondisk_startup.out66
-rw-r--r--contrib/test_decoding/expected/permissions.out130
-rw-r--r--contrib/test_decoding/expected/prepared.out74
-rw-r--r--contrib/test_decoding/expected/replorigin.out259
-rw-r--r--contrib/test_decoding/expected/rewrite.out164
-rw-r--r--contrib/test_decoding/expected/slot.out408
-rw-r--r--contrib/test_decoding/expected/slot_creation_error.out114
-rw-r--r--contrib/test_decoding/expected/snapshot_transfer.out61
-rw-r--r--contrib/test_decoding/expected/spill.out256
-rw-r--r--contrib/test_decoding/expected/stats.out149
-rw-r--r--contrib/test_decoding/expected/stream.out115
-rw-r--r--contrib/test_decoding/expected/subxact_without_top.out49
-rw-r--r--contrib/test_decoding/expected/time.out40
-rw-r--r--contrib/test_decoding/expected/toast.out390
-rw-r--r--contrib/test_decoding/expected/truncate.out33
-rw-r--r--contrib/test_decoding/expected/twophase.out223
-rw-r--r--contrib/test_decoding/expected/twophase_snapshot.out53
-rw-r--r--contrib/test_decoding/expected/twophase_stream.out125
-rw-r--r--contrib/test_decoding/expected/xact.out64
30 files changed, 5087 insertions, 0 deletions
diff --git a/contrib/test_decoding/expected/binary.out b/contrib/test_decoding/expected/binary.out
new file mode 100644
index 0000000..b3a3509
--- /dev/null
+++ b/contrib/test_decoding/expected/binary.out
@@ -0,0 +1,35 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- succeeds, textual plugin, textual consumer
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- fails, binary plugin, textual consumer
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '1', 'skip-empty-xacts', '1');
+ERROR: logical decoding output plugin "test_decoding" produces binary output, but function "pg_logical_slot_get_changes(name,pg_lsn,integer,text[])" expects textual data
+-- succeeds, textual plugin, binary consumer
+SELECT data FROM pg_logical_slot_get_binary_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- succeeds, binary plugin, binary consumer
+SELECT data FROM pg_logical_slot_get_binary_changes('regression_slot', NULL, NULL, 'force-binary', '1', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+SELECT 'init' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ init
+(1 row)
+
diff --git a/contrib/test_decoding/expected/catalog_change_snapshot.out b/contrib/test_decoding/expected/catalog_change_snapshot.out
new file mode 100644
index 0000000..b33e49c
--- /dev/null
+++ b/contrib/test_decoding/expected/catalog_change_snapshot.out
@@ -0,0 +1,134 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s0_init s0_begin s0_savepoint s0_truncate s1_checkpoint s1_get_changes s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s0_commit s1_get_changes
+step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s0_begin: BEGIN;
+step s0_savepoint: SAVEPOINT sp1;
+step s0_truncate: TRUNCATE tbl1;
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+----
+(0 rows)
+
+step s0_commit: COMMIT;
+step s0_begin: BEGIN;
+step s0_insert: INSERT INTO tbl1 VALUES (1);
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+---------------------------------------
+BEGIN
+table public.tbl1: TRUNCATE: (no-flags)
+COMMIT
+(3 rows)
+
+step s0_commit: COMMIT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+-------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:null
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s0_init s0_begin s0_savepoint s0_insert s1_checkpoint s1_get_changes s0_insert2 s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s0_commit s1_get_changes
+step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s0_begin: BEGIN;
+step s0_savepoint: SAVEPOINT sp1;
+step s0_insert: INSERT INTO tbl1 VALUES (1);
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+----
+(0 rows)
+
+step s0_insert2: INSERT INTO user_cat VALUES (1);
+step s0_commit: COMMIT;
+step s0_begin: BEGIN;
+step s0_insert: INSERT INTO tbl1 VALUES (1);
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+-------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:null
+table public.user_cat: INSERT: val1[integer]:1
+COMMIT
+(4 rows)
+
+step s0_commit: COMMIT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+-------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:null
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s0_init s0_begin s0_savepoint s0_insert s1_checkpoint s1_get_changes s0_truncate s0_commit s0_begin s0_insert s1_checkpoint s1_get_changes s0_commit s1_get_changes
+step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s0_begin: BEGIN;
+step s0_savepoint: SAVEPOINT sp1;
+step s0_insert: INSERT INTO tbl1 VALUES (1);
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+----
+(0 rows)
+
+step s0_truncate: TRUNCATE tbl1;
+step s0_commit: COMMIT;
+step s0_begin: BEGIN;
+step s0_insert: INSERT INTO tbl1 VALUES (1);
+step s1_checkpoint: CHECKPOINT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+-------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:null
+table public.tbl1: TRUNCATE: (no-flags)
+COMMIT
+(4 rows)
+
+step s0_commit: COMMIT;
+step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+data
+-------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:null
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/concurrent_ddl_dml.out b/contrib/test_decoding/expected/concurrent_ddl_dml.out
new file mode 100644
index 0000000..3742a2a
--- /dev/null
+++ b/contrib/test_decoding/expected/concurrent_ddl_dml.out
@@ -0,0 +1,799 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_float s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_float: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE float;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[double precision]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl1_float s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_float: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE float; <waiting ...>
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl1_float: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_char s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_char: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE character varying;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[character varying]:'1'
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl1_char s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl1_char: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s2_alter_tbl1_float s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_float: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE float; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_float: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_char: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_float s1_insert_tbl2 s2_alter_tbl1_float s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_float: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE float;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_float: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE float; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_float: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[double precision]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_char s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_char: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE character varying;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_char: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[character varying]:'1'
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_char s1_begin s1_insert_tbl1 s2_alter_tbl2_text s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_char: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE character varying;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_text: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE text;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[text]:'1'
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_char s1_begin s1_insert_tbl1 s2_alter_tbl2_text s1_insert_tbl2 s2_alter_tbl1_char s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_char: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE character varying;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_text: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE text;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_char: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE character varying; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_char: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[text]:'1'
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_boolean s1_insert_tbl2 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_boolean: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE boolean;
+ERROR: column "val2" cannot be cast automatically to type boolean
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_boolean s1_insert_tbl2 s2_alter_tbl1_boolean s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_boolean: ALTER TABLE tbl2 ALTER COLUMN val2 TYPE boolean;
+ERROR: column "val2" cannot be cast automatically to type boolean
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl1_boolean: ALTER TABLE tbl1 ALTER COLUMN val2 TYPE boolean; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl1_boolean: <... completed>
+ERROR: column "val2" cannot be cast automatically to type boolean
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_int s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_int s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s1_begin: BEGIN;
+step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_float s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_add_float: ALTER TABLE tbl2 ADD COLUMN val3 FLOAT;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-----------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[double precision]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_float s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s1_begin: BEGIN;
+step s2_alter_tbl2_add_float: ALTER TABLE tbl2 ADD COLUMN val3 FLOAT;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-----------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[double precision]:1
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s2_alter_tbl2_add_char s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s1_begin s1_insert_tbl1 s1_insert_tbl2 s1_commit s1_begin s2_alter_tbl2_add_char s1_insert_tbl2_3col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s1_begin: BEGIN;
+step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
+step s1_begin: BEGIN;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl2_drop_3rd_col: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s1_commit s1_insert_tbl2 s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
+step s1_begin: BEGIN;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3; <waiting ...>
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_drop_3rd_col: <... completed>
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-----------------------------------------------------------------------------
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:null
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_int s1_begin s1_insert_tbl2_3col s2_alter_tbl2_drop_3rd_col s1_commit s2_get_changes s2_alter_tbl2_add_text s1_begin s1_insert_tbl2_3col s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s2_get_changes s2_alter_tbl2_3rd_int s1_insert_tbl2_3col s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_int: ALTER TABLE tbl2 ADD COLUMN val3 INTEGER;
+step s1_begin: BEGIN;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3; <waiting ...>
+step s1_commit: COMMIT;
+step s2_alter_tbl2_drop_3rd_col: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+COMMIT
+(3 rows)
+
+step s2_alter_tbl2_add_text: ALTER TABLE tbl2 ADD COLUMN val3 TEXT;
+step s1_begin: BEGIN;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_3rd_char: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE character varying; <waiting ...>
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_3rd_char: <... completed>
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-------------------------------------------------------------------------
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+COMMIT
+(4 rows)
+
+step s2_alter_tbl2_3rd_int: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE int USING val3::integer;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[integer]:1
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s1_insert_tbl2_3col s2_alter_tbl2_3rd_text s1_insert_tbl2_3col s1_commit s1_insert_tbl2_3col s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_3rd_text: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE text; <waiting ...>
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_3rd_text: <... completed>
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+COMMIT
+(8 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_text s1_begin s1_insert_tbl1 s1_insert_tbl2_3col s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s1_insert_tbl2_3col s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_text: ALTER TABLE tbl2 ADD COLUMN val3 TEXT;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_alter_tbl2_3rd_char: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE character varying; <waiting ...>
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_3rd_char: <... completed>
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+COMMIT
+(8 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s2_alter_tbl2_3rd_text s1_insert_tbl2_3col s1_commit s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_3rd_text: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE text;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+-------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[text]:'1'
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_text s1_begin s1_insert_tbl1 s2_alter_tbl2_3rd_char s1_insert_tbl2_3col s1_commit s2_alter_tbl2_drop_3rd_col s1_insert_tbl2 s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_text: ALTER TABLE tbl2 ADD COLUMN val3 TEXT;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_3rd_char: ALTER TABLE tbl2 ALTER COLUMN val3 TYPE character varying;
+step s1_insert_tbl2_3col: INSERT INTO tbl2 (val1, val2, val3) VALUES (1, 1, 1);
+step s1_commit: COMMIT;
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
+step s1_insert_tbl2: INSERT INTO tbl2 (val1, val2) VALUES (1, 1);
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+--------------------------------------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1 val3[character varying]:'1'
+COMMIT
+BEGIN
+table public.tbl2: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(7 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s1_init s2_alter_tbl2_add_char s1_begin s1_insert_tbl1 s2_alter_tbl2_drop_3rd_col s1_insert_tbl1 s1_commit s2_get_changes
+step s1_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s2_alter_tbl2_add_char: ALTER TABLE tbl2 ADD COLUMN val3 character varying;
+step s1_begin: BEGIN;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s2_alter_tbl2_drop_3rd_col: ALTER TABLE tbl2 DROP COLUMN val3;
+step s1_insert_tbl1: INSERT INTO tbl1 (val1, val2) VALUES (1, 1);
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------
+BEGIN
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+table public.tbl1: INSERT: val1[integer]:1 val2[integer]:1
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/concurrent_stream.out b/contrib/test_decoding/expected/concurrent_stream.out
new file mode 100644
index 0000000..bf1e132
--- /dev/null
+++ b/contrib/test_decoding/expected/concurrent_stream.out
@@ -0,0 +1,24 @@
+Parsed test spec with 3 sessions
+
+starting permutation: s0_begin s0_ddl s1_ddl s1_begin s1_toast_insert s2_ddl s1_commit s1_get_stream_changes
+step s0_begin: BEGIN;
+step s0_ddl: CREATE TABLE stream_test1(data text);
+step s1_ddl: CREATE TABLE stream_test(data text);
+step s1_begin: BEGIN;
+step s1_toast_insert: INSERT INTO stream_test SELECT large_val();
+step s2_ddl: CREATE TABLE stream_test2(data text);
+step s1_commit: COMMIT;
+step s1_get_stream_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+data
+----------------------------------------
+opening a streamed block for transaction
+streaming change for transaction
+closing a streamed block for transaction
+committing streamed transaction
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/ddl.out b/contrib/test_decoding/expected/ddl.out
new file mode 100644
index 0000000..0c87602
--- /dev/null
+++ b/contrib/test_decoding/expected/ddl.out
@@ -0,0 +1,845 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- fail because of an already existing slot
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR: replication slot "regression_slot" already exists
+-- fail because of an invalid name
+SELECT 'init' FROM pg_create_logical_replication_slot('Invalid Name', 'test_decoding');
+ERROR: replication slot name "Invalid Name" contains invalid character
+HINT: Replication slot names may only contain lower case letters, numbers, and the underscore character.
+-- fail twice because of an invalid parameter values
+SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar');
+ERROR: could not parse value "frakbar" for parameter "include-xids"
+CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
+SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'nonexistent-option', 'frakbar');
+ERROR: option "nonexistent-option" = "frakbar" is unknown
+CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
+SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar');
+ERROR: could not parse value "frakbar" for parameter "include-xids"
+CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
+-- succeed once
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+-- fail
+SELECT pg_drop_replication_slot('regression_slot');
+ERROR: replication slot "regression_slot" does not exist
+-- check that we're detecting a streaming rep slot used for logical decoding
+SELECT 'init' FROM pg_create_physical_replication_slot('repl');
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT data FROM pg_logical_slot_get_changes('repl', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ERROR: cannot use physical replication slot for logical decoding
+SELECT pg_drop_replication_slot('repl');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+/* check whether status function reports us, only reproduceable columns */
+SELECT slot_name, plugin, slot_type, active,
+ NOT catalog_xmin IS NULL AS catalog_xmin_set,
+ xmin IS NULl AS data_xmin_not_set,
+ pg_wal_lsn_diff(restart_lsn, '0/01000000') > 0 AS some_wal
+FROM pg_replication_slots;
+ slot_name | plugin | slot_type | active | catalog_xmin_set | data_xmin_not_set | some_wal
+-----------------+---------------+-----------+--------+------------------+-------------------+----------
+ regression_slot | test_decoding | logical | f | t | t | t
+(1 row)
+
+/*
+ * Check that changes are handled correctly when interleaved with ddl
+ */
+CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120));
+BEGIN;
+INSERT INTO replication_example(somedata, text) VALUES (1, 1);
+INSERT INTO replication_example(somedata, text) VALUES (1, 2);
+COMMIT;
+ALTER TABLE replication_example ADD COLUMN bar int;
+INSERT INTO replication_example(somedata, text, bar) VALUES (2, 1, 4);
+BEGIN;
+INSERT INTO replication_example(somedata, text, bar) VALUES (2, 2, 4);
+INSERT INTO replication_example(somedata, text, bar) VALUES (2, 3, 4);
+INSERT INTO replication_example(somedata, text, bar) VALUES (2, 4, NULL);
+COMMIT;
+ALTER TABLE replication_example DROP COLUMN bar;
+INSERT INTO replication_example(somedata, text) VALUES (3, 1);
+BEGIN;
+INSERT INTO replication_example(somedata, text) VALUES (3, 2);
+INSERT INTO replication_example(somedata, text) VALUES (3, 3);
+COMMIT;
+ALTER TABLE replication_example RENAME COLUMN text TO somenum;
+INSERT INTO replication_example(somedata, somenum) VALUES (4, 1);
+-- collect all changes
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:1 somedata[integer]:1 text[character varying]:'1'
+ table public.replication_example: INSERT: id[integer]:2 somedata[integer]:1 text[character varying]:'2'
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:3 somedata[integer]:2 text[character varying]:'1' bar[integer]:4
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:4 somedata[integer]:2 text[character varying]:'2' bar[integer]:4
+ table public.replication_example: INSERT: id[integer]:5 somedata[integer]:2 text[character varying]:'3' bar[integer]:4
+ table public.replication_example: INSERT: id[integer]:6 somedata[integer]:2 text[character varying]:'4' bar[integer]:null
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:7 somedata[integer]:3 text[character varying]:'1'
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:8 somedata[integer]:3 text[character varying]:'2'
+ table public.replication_example: INSERT: id[integer]:9 somedata[integer]:3 text[character varying]:'3'
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:10 somedata[integer]:4 somenum[character varying]:'1'
+ COMMIT
+(22 rows)
+
+ALTER TABLE replication_example ALTER COLUMN somenum TYPE int4 USING (somenum::int4);
+-- check that this doesn't produce any changes from the heap rewrite
+SELECT count(data) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ count
+-------
+ 0
+(1 row)
+
+INSERT INTO replication_example(somedata, somenum) VALUES (5, 1);
+BEGIN;
+INSERT INTO replication_example(somedata, somenum) VALUES (6, 1);
+ALTER TABLE replication_example ADD COLUMN zaphod1 int;
+INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 2, 1);
+ALTER TABLE replication_example ADD COLUMN zaphod2 int;
+INSERT INTO replication_example(somedata, somenum, zaphod2) VALUES (6, 3, 1);
+INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 4, 2);
+COMMIT;
+-- show changes
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:11 somedata[integer]:5 somenum[integer]:1
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:12 somedata[integer]:6 somenum[integer]:1
+ table public.replication_example: INSERT: id[integer]:13 somedata[integer]:6 somenum[integer]:2 zaphod1[integer]:1
+ table public.replication_example: INSERT: id[integer]:14 somedata[integer]:6 somenum[integer]:3 zaphod1[integer]:null zaphod2[integer]:1
+ table public.replication_example: INSERT: id[integer]:15 somedata[integer]:6 somenum[integer]:4 zaphod1[integer]:2 zaphod2[integer]:null
+ COMMIT
+(9 rows)
+
+-- ON CONFLICT DO UPDATE support
+BEGIN;
+INSERT INTO replication_example(id, somedata, somenum) SELECT i, i, i FROM generate_series(-15, 15) i
+ ON CONFLICT (id) DO UPDATE SET somenum = excluded.somenum + 1;
+COMMIT;
+/* display results */
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:-15 somedata[integer]:-15 somenum[integer]:-15 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-14 somedata[integer]:-14 somenum[integer]:-14 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-13 somedata[integer]:-13 somenum[integer]:-13 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-12 somedata[integer]:-12 somenum[integer]:-12 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-11 somedata[integer]:-11 somenum[integer]:-11 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-10 somedata[integer]:-10 somenum[integer]:-10 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-9 somedata[integer]:-9 somenum[integer]:-9 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-8 somedata[integer]:-8 somenum[integer]:-8 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-7 somedata[integer]:-7 somenum[integer]:-7 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-6 somedata[integer]:-6 somenum[integer]:-6 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-5 somedata[integer]:-5 somenum[integer]:-5 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-4 somedata[integer]:-4 somenum[integer]:-4 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-3 somedata[integer]:-3 somenum[integer]:-3 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-2 somedata[integer]:-2 somenum[integer]:-2 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-1 somedata[integer]:-1 somenum[integer]:-1 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:0 somedata[integer]:0 somenum[integer]:0 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:1 somedata[integer]:1 somenum[integer]:2 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:2 somedata[integer]:1 somenum[integer]:3 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:3 somedata[integer]:2 somenum[integer]:4 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:4 somedata[integer]:2 somenum[integer]:5 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:5 somedata[integer]:2 somenum[integer]:6 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:6 somedata[integer]:2 somenum[integer]:7 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:7 somedata[integer]:3 somenum[integer]:8 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:8 somedata[integer]:3 somenum[integer]:9 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:9 somedata[integer]:3 somenum[integer]:10 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:10 somedata[integer]:4 somenum[integer]:11 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:11 somedata[integer]:5 somenum[integer]:12 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:12 somedata[integer]:6 somenum[integer]:13 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:13 somedata[integer]:6 somenum[integer]:14 zaphod1[integer]:1 zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:14 somedata[integer]:6 somenum[integer]:15 zaphod1[integer]:null zaphod2[integer]:1
+ table public.replication_example: UPDATE: id[integer]:15 somedata[integer]:6 somenum[integer]:16 zaphod1[integer]:2 zaphod2[integer]:null
+ COMMIT
+(33 rows)
+
+-- MERGE support
+BEGIN;
+MERGE INTO replication_example t
+ USING (SELECT i as id, i as data, i as num FROM generate_series(-20, 5) i) s
+ ON t.id = s.id
+ WHEN MATCHED AND t.id < 0 THEN
+ UPDATE SET somenum = somenum + 1
+ WHEN MATCHED AND t.id >= 0 THEN
+ DELETE
+ WHEN NOT MATCHED THEN
+ INSERT VALUES (s.*);
+COMMIT;
+/* display results */
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:-20 somedata[integer]:-20 somenum[integer]:-20 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-19 somedata[integer]:-19 somenum[integer]:-19 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-18 somedata[integer]:-18 somenum[integer]:-18 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-17 somedata[integer]:-17 somenum[integer]:-17 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: INSERT: id[integer]:-16 somedata[integer]:-16 somenum[integer]:-16 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-15 somedata[integer]:-15 somenum[integer]:-14 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-14 somedata[integer]:-14 somenum[integer]:-13 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-13 somedata[integer]:-13 somenum[integer]:-12 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-12 somedata[integer]:-12 somenum[integer]:-11 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-11 somedata[integer]:-11 somenum[integer]:-10 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-10 somedata[integer]:-10 somenum[integer]:-9 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-9 somedata[integer]:-9 somenum[integer]:-8 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-8 somedata[integer]:-8 somenum[integer]:-7 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-7 somedata[integer]:-7 somenum[integer]:-6 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-6 somedata[integer]:-6 somenum[integer]:-5 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-5 somedata[integer]:-5 somenum[integer]:-4 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-4 somedata[integer]:-4 somenum[integer]:-3 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-3 somedata[integer]:-3 somenum[integer]:-2 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-2 somedata[integer]:-2 somenum[integer]:-1 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: UPDATE: id[integer]:-1 somedata[integer]:-1 somenum[integer]:0 zaphod1[integer]:null zaphod2[integer]:null
+ table public.replication_example: DELETE: id[integer]:0
+ table public.replication_example: DELETE: id[integer]:1
+ table public.replication_example: DELETE: id[integer]:2
+ table public.replication_example: DELETE: id[integer]:3
+ table public.replication_example: DELETE: id[integer]:4
+ table public.replication_example: DELETE: id[integer]:5
+ COMMIT
+(28 rows)
+
+CREATE TABLE tr_unique(id2 serial unique NOT NULL, data int);
+INSERT INTO tr_unique(data) VALUES(10);
+ALTER TABLE tr_unique RENAME TO tr_pkey;
+ALTER TABLE tr_pkey ADD COLUMN id serial primary key;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-rewrites', '1');
+ data
+-----------------------------------------------------------------------------
+ BEGIN
+ table public.tr_unique: INSERT: id2[integer]:1 data[integer]:10
+ COMMIT
+ BEGIN
+ table public.tr_pkey: INSERT: id2[integer]:1 data[integer]:10 id[integer]:1
+ COMMIT
+(6 rows)
+
+INSERT INTO tr_pkey(data) VALUES(1);
+--show deletion with primary key
+DELETE FROM tr_pkey;
+/* display results */
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------------------------------
+ BEGIN
+ table public.tr_pkey: INSERT: id2[integer]:2 data[integer]:1 id[integer]:2
+ COMMIT
+ BEGIN
+ table public.tr_pkey: DELETE: id[integer]:1
+ table public.tr_pkey: DELETE: id[integer]:2
+ COMMIT
+(7 rows)
+
+/*
+ * check that disk spooling works (also for logical messages)
+ */
+BEGIN;
+CREATE TABLE tr_etoomuch (id serial primary key, data int);
+INSERT INTO tr_etoomuch(data) SELECT g.i FROM generate_series(1, 10234) g(i);
+SELECT 'tx logical msg' FROM pg_logical_emit_message(true, 'test', 'tx logical msg');
+ ?column?
+----------------
+ tx logical msg
+(1 row)
+
+DELETE FROM tr_etoomuch WHERE id < 5000;
+UPDATE tr_etoomuch SET data = - data WHERE id > 5000;
+CREATE TABLE tr_oddlength (id text primary key, data text);
+INSERT INTO tr_oddlength VALUES('ab', 'foo');
+COMMIT;
+/* display results, but hide most of the output */
+SELECT count(*), min(data), max(data)
+FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
+GROUP BY substring(data, 1, 24)
+ORDER BY 1,2;
+ count | min | max
+-------+-----------------------------------------------------------------------+------------------------------------------------------------------------
+ 1 | BEGIN | BEGIN
+ 1 | COMMIT | COMMIT
+ 1 | message: transactional: 1 prefix: test, sz: 14 content:tx logical msg | message: transactional: 1 prefix: test, sz: 14 content:tx logical msg
+ 1 | table public.tr_oddlength: INSERT: id[text]:'ab' data[text]:'foo' | table public.tr_oddlength: INSERT: id[text]:'ab' data[text]:'foo'
+ 20467 | table public.tr_etoomuch: DELETE: id[integer]:1 | table public.tr_etoomuch: UPDATE: id[integer]:9999 data[integer]:-9999
+(5 rows)
+
+-- check updates of primary keys work correctly
+BEGIN;
+CREATE TABLE spoolme AS SELECT g.i FROM generate_series(1, 5000) g(i);
+UPDATE tr_etoomuch SET id = -id WHERE id = 5000;
+UPDATE tr_oddlength SET id = 'x', data = 'quux';
+UPDATE tr_oddlength SET id = 'yy', data = 'a';
+DELETE FROM spoolme;
+DROP TABLE spoolme;
+COMMIT;
+SELECT data
+FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
+WHERE data ~ 'UPDATE';
+ data
+-------------------------------------------------------------------------------------------------------------
+ table public.tr_etoomuch: UPDATE: old-key: id[integer]:5000 new-tuple: id[integer]:-5000 data[integer]:5000
+ table public.tr_oddlength: UPDATE: old-key: id[text]:'ab' new-tuple: id[text]:'x' data[text]:'quux'
+ table public.tr_oddlength: UPDATE: old-key: id[text]:'x' new-tuple: id[text]:'yy' data[text]:'a'
+(3 rows)
+
+-- check that a large, spooled, upsert works
+INSERT INTO tr_etoomuch (id, data)
+SELECT g.i, -g.i FROM generate_series(8000, 12000) g(i)
+ON CONFLICT(id) DO UPDATE SET data = EXCLUDED.data;
+SELECT substring(data, 1, 29), count(*)
+FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') WITH ORDINALITY
+GROUP BY 1
+ORDER BY min(ordinality);
+ substring | count
+-------------------------------+-------
+ BEGIN | 1
+ table public.tr_etoomuch: UPD | 2235
+ table public.tr_etoomuch: INS | 1766
+ COMMIT | 1
+(4 rows)
+
+/*
+ * check whether we decode subtransactions correctly in relation with each
+ * other
+ */
+CREATE TABLE tr_sub (id serial primary key, path text);
+-- toplevel, subtxn, toplevel, subtxn, subtxn
+BEGIN;
+INSERT INTO tr_sub(path) VALUES ('1-top-#1');
+SAVEPOINT a;
+INSERT INTO tr_sub(path) VALUES ('1-top-1-#1');
+INSERT INTO tr_sub(path) VALUES ('1-top-1-#2');
+RELEASE SAVEPOINT a;
+SAVEPOINT b;
+SAVEPOINT c;
+INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#1');
+INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#2');
+RELEASE SAVEPOINT c;
+INSERT INTO tr_sub(path) VALUES ('1-top-2-#1');
+RELEASE SAVEPOINT b;
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------------------------
+ BEGIN
+ table public.tr_sub: INSERT: id[integer]:1 path[text]:'1-top-#1'
+ table public.tr_sub: INSERT: id[integer]:2 path[text]:'1-top-1-#1'
+ table public.tr_sub: INSERT: id[integer]:3 path[text]:'1-top-1-#2'
+ table public.tr_sub: INSERT: id[integer]:4 path[text]:'1-top-2-1-#1'
+ table public.tr_sub: INSERT: id[integer]:5 path[text]:'1-top-2-1-#2'
+ table public.tr_sub: INSERT: id[integer]:6 path[text]:'1-top-2-#1'
+ COMMIT
+(8 rows)
+
+-- check that we handle xlog assignments correctly
+BEGIN;
+-- nest 80 subtxns
+SAVEPOINT subtop;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
+-- assign xid by inserting
+INSERT INTO tr_sub(path) VALUES ('2-top-1...--#1');
+INSERT INTO tr_sub(path) VALUES ('2-top-1...--#2');
+INSERT INTO tr_sub(path) VALUES ('2-top-1...--#3');
+RELEASE SAVEPOINT subtop;
+INSERT INTO tr_sub(path) VALUES ('2-top-#1');
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------------------------------------------------------------------------
+ BEGIN
+ table public.tr_sub: INSERT: id[integer]:7 path[text]:'2-top-1...--#1'
+ table public.tr_sub: INSERT: id[integer]:8 path[text]:'2-top-1...--#2'
+ table public.tr_sub: INSERT: id[integer]:9 path[text]:'2-top-1...--#3'
+ table public.tr_sub: INSERT: id[integer]:10 path[text]:'2-top-#1'
+ COMMIT
+(6 rows)
+
+-- make sure rollbacked subtransactions aren't decoded
+BEGIN;
+INSERT INTO tr_sub(path) VALUES ('3-top-2-#1');
+SAVEPOINT a;
+INSERT INTO tr_sub(path) VALUES ('3-top-2-1-#1');
+SAVEPOINT b;
+INSERT INTO tr_sub(path) VALUES ('3-top-2-2-#1');
+ROLLBACK TO SAVEPOINT b;
+INSERT INTO tr_sub(path) VALUES ('3-top-2-#2');
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------------------------------------------
+ BEGIN
+ table public.tr_sub: INSERT: id[integer]:11 path[text]:'3-top-2-#1'
+ table public.tr_sub: INSERT: id[integer]:12 path[text]:'3-top-2-1-#1'
+ table public.tr_sub: INSERT: id[integer]:14 path[text]:'3-top-2-#2'
+ COMMIT
+(5 rows)
+
+-- test whether a known, but not yet logged toplevel xact, followed by a
+-- subxact commit is handled correctly
+BEGIN;
+SELECT pg_current_xact_id() != '0'; -- so no fixed xid apears in the outfile
+ ?column?
+----------
+ t
+(1 row)
+
+SAVEPOINT a;
+INSERT INTO tr_sub(path) VALUES ('4-top-1-#1');
+RELEASE SAVEPOINT a;
+COMMIT;
+-- test whether a change in a subtransaction, in an unknown toplevel
+-- xact is handled correctly.
+BEGIN;
+SAVEPOINT a;
+INSERT INTO tr_sub(path) VALUES ('5-top-1-#1');
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------
+ BEGIN
+ table public.tr_sub: INSERT: id[integer]:15 path[text]:'4-top-1-#1'
+ COMMIT
+ BEGIN
+ table public.tr_sub: INSERT: id[integer]:16 path[text]:'5-top-1-#1'
+ COMMIT
+(6 rows)
+
+-- check that DDL in aborted subtransactions handled correctly
+CREATE TABLE tr_sub_ddl(data int);
+BEGIN;
+SAVEPOINT a;
+ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE text;
+INSERT INTO tr_sub_ddl VALUES ('blah-blah');
+ROLLBACK TO SAVEPOINT a;
+ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE bigint;
+INSERT INTO tr_sub_ddl VALUES(43);
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------
+ BEGIN
+ table public.tr_sub_ddl: INSERT: data[bigint]:43
+ COMMIT
+(3 rows)
+
+/*
+ * Check whether treating a table as a catalog table works somewhat
+ */
+CREATE TABLE replication_metadata (
+ id serial primary key,
+ relation name NOT NULL,
+ options text[]
+)
+WITH (user_catalog_table = true)
+;
+\d+ replication_metadata
+ Table "public.replication_metadata"
+ Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
+----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
+ id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
+ relation | name | | not null | | plain | |
+ options | text[] | | | | extended | |
+Indexes:
+ "replication_metadata_pkey" PRIMARY KEY, btree (id)
+Options: user_catalog_table=true
+
+INSERT INTO replication_metadata(relation, options)
+VALUES ('foo', ARRAY['a', 'b']);
+ALTER TABLE replication_metadata RESET (user_catalog_table);
+\d+ replication_metadata
+ Table "public.replication_metadata"
+ Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
+----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
+ id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
+ relation | name | | not null | | plain | |
+ options | text[] | | | | extended | |
+Indexes:
+ "replication_metadata_pkey" PRIMARY KEY, btree (id)
+
+INSERT INTO replication_metadata(relation, options)
+VALUES ('bar', ARRAY['a', 'b']);
+ALTER TABLE replication_metadata SET (user_catalog_table = true);
+\d+ replication_metadata
+ Table "public.replication_metadata"
+ Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
+----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
+ id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
+ relation | name | | not null | | plain | |
+ options | text[] | | | | extended | |
+Indexes:
+ "replication_metadata_pkey" PRIMARY KEY, btree (id)
+Options: user_catalog_table=true
+
+INSERT INTO replication_metadata(relation, options)
+VALUES ('blub', NULL);
+-- make sure rewrites don't work
+ALTER TABLE replication_metadata ADD COLUMN rewritemeornot int;
+ALTER TABLE replication_metadata ALTER COLUMN rewritemeornot TYPE text;
+ERROR: cannot rewrite table "replication_metadata" used as a catalog table
+ALTER TABLE replication_metadata SET (user_catalog_table = false);
+\d+ replication_metadata
+ Table "public.replication_metadata"
+ Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
+----------------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
+ id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
+ relation | name | | not null | | plain | |
+ options | text[] | | | | extended | |
+ rewritemeornot | integer | | | | plain | |
+Indexes:
+ "replication_metadata_pkey" PRIMARY KEY, btree (id)
+Options: user_catalog_table=false
+
+INSERT INTO replication_metadata(relation, options)
+VALUES ('zaphod', NULL);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_metadata: INSERT: id[integer]:1 relation[name]:'foo' options[text[]]:'{a,b}'
+ COMMIT
+ BEGIN
+ table public.replication_metadata: INSERT: id[integer]:2 relation[name]:'bar' options[text[]]:'{a,b}'
+ COMMIT
+ BEGIN
+ table public.replication_metadata: INSERT: id[integer]:3 relation[name]:'blub' options[text[]]:null
+ COMMIT
+ BEGIN
+ table public.replication_metadata: INSERT: id[integer]:4 relation[name]:'zaphod' options[text[]]:null rewritemeornot[integer]:null
+ COMMIT
+(12 rows)
+
+/*
+ * check whether we handle updates/deletes correct with & without a pkey
+ */
+/* we should handle the case without a key at all more gracefully */
+CREATE TABLE table_without_key(id serial, data int);
+INSERT INTO table_without_key(data) VALUES(1),(2);
+DELETE FROM table_without_key WHERE data = 1;
+-- won't log old keys
+UPDATE table_without_key SET data = 3 WHERE data = 2;
+UPDATE table_without_key SET id = -id;
+UPDATE table_without_key SET id = -id;
+-- should log the full old row now
+ALTER TABLE table_without_key REPLICA IDENTITY FULL;
+UPDATE table_without_key SET data = 3 WHERE data = 2;
+UPDATE table_without_key SET id = -id;
+UPDATE table_without_key SET id = -id;
+-- ensure that FULL correctly deals with new columns
+ALTER TABLE table_without_key ADD COLUMN new_column text;
+UPDATE table_without_key SET id = -id;
+UPDATE table_without_key SET id = -id, new_column = 'someval';
+DELETE FROM table_without_key WHERE data = 3;
+CREATE TABLE table_with_pkey(id serial primary key, data int);
+INSERT INTO table_with_pkey(data) VALUES(1), (2);
+DELETE FROM table_with_pkey WHERE data = 1;
+-- should log the old pkey
+UPDATE table_with_pkey SET data = 3 WHERE data = 2;
+UPDATE table_with_pkey SET id = -id;
+UPDATE table_with_pkey SET id = -id;
+-- check that we log nothing despite having a pkey
+ALTER TABLE table_without_key REPLICA IDENTITY NOTHING;
+UPDATE table_with_pkey SET id = -id;
+-- check that we log everything despite having a pkey
+ALTER TABLE table_without_key REPLICA IDENTITY FULL;
+UPDATE table_with_pkey SET id = -id;
+DELETE FROM table_with_pkey WHERE data = 3;
+CREATE TABLE table_with_unique_not_null(id serial unique, data int);
+ALTER TABLE table_with_unique_not_null ALTER COLUMN id SET NOT NULL; --already set
+-- won't log anything, replica identity not setup
+INSERT INTO table_with_unique_not_null(data) VALUES(1), (2);
+DELETE FROM table_with_unique_not_null WHERE data = 1;
+UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2;
+UPDATE table_with_unique_not_null SET id = -id;
+UPDATE table_with_unique_not_null SET id = -id;
+DELETE FROM table_with_unique_not_null WHERE data = 3;
+-- should log old key
+ALTER TABLE table_with_unique_not_null REPLICA IDENTITY USING INDEX table_with_unique_not_null_id_key;
+INSERT INTO table_with_unique_not_null(data) VALUES(1), (2);
+DELETE FROM table_with_unique_not_null WHERE data = 1;
+UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2;
+UPDATE table_with_unique_not_null SET id = -id;
+UPDATE table_with_unique_not_null SET id = -id;
+DELETE FROM table_with_unique_not_null WHERE data = 3;
+-- check tables with dropped indexes used in REPLICA IDENTITY
+-- table with primary key
+CREATE TABLE table_dropped_index_with_pk (a int PRIMARY KEY, b int, c int);
+CREATE UNIQUE INDEX table_dropped_index_with_pk_idx
+ ON table_dropped_index_with_pk(a);
+ALTER TABLE table_dropped_index_with_pk REPLICA IDENTITY
+ USING INDEX table_dropped_index_with_pk_idx;
+DROP INDEX table_dropped_index_with_pk_idx;
+INSERT INTO table_dropped_index_with_pk VALUES (1,1,1), (2,2,2), (3,3,3);
+UPDATE table_dropped_index_with_pk SET a = 4 WHERE a = 1;
+UPDATE table_dropped_index_with_pk SET b = 5 WHERE a = 2;
+UPDATE table_dropped_index_with_pk SET b = 6, c = 7 WHERE a = 3;
+DELETE FROM table_dropped_index_with_pk WHERE b = 1;
+DELETE FROM table_dropped_index_with_pk WHERE a = 3;
+DROP TABLE table_dropped_index_with_pk;
+-- table without primary key
+CREATE TABLE table_dropped_index_no_pk (a int NOT NULL, b int, c int);
+CREATE UNIQUE INDEX table_dropped_index_no_pk_idx
+ ON table_dropped_index_no_pk(a);
+ALTER TABLE table_dropped_index_no_pk REPLICA IDENTITY
+ USING INDEX table_dropped_index_no_pk_idx;
+DROP INDEX table_dropped_index_no_pk_idx;
+INSERT INTO table_dropped_index_no_pk VALUES (1,1,1), (2,2,2), (3,3,3);
+UPDATE table_dropped_index_no_pk SET a = 4 WHERE a = 1;
+UPDATE table_dropped_index_no_pk SET b = 5 WHERE a = 2;
+UPDATE table_dropped_index_no_pk SET b = 6, c = 7 WHERE a = 3;
+DELETE FROM table_dropped_index_no_pk WHERE b = 1;
+DELETE FROM table_dropped_index_no_pk WHERE a = 3;
+DROP TABLE table_dropped_index_no_pk;
+-- check toast support
+BEGIN;
+CREATE SEQUENCE toasttable_rand_seq START 79 INCREMENT 1499; -- portable "random"
+CREATE TABLE toasttable(
+ id serial primary key,
+ toasted_col1 text,
+ rand1 float8 DEFAULT nextval('toasttable_rand_seq'),
+ toasted_col2 text,
+ rand2 float8 DEFAULT nextval('toasttable_rand_seq')
+ );
+COMMIT;
+-- uncompressed external toast data
+INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i);
+-- compressed external toast data
+INSERT INTO toasttable(toasted_col2) SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i);
+-- update of existing column
+UPDATE toasttable
+ SET toasted_col1 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i))
+WHERE id = 1;
+-- This output is extremely wide, and using aligned mode causes psql to
+-- produce 200kB of useless dashes. Turn that off temporarily to avoid it.
+\pset format unaligned
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+BEGIN
+table public.table_without_key: INSERT: id[integer]:1 data[integer]:1
+table public.table_without_key: INSERT: id[integer]:2 data[integer]:2
+COMMIT
+BEGIN
+table public.table_without_key: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: id[integer]:-2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: old-key: id[integer]:2 data[integer]:3 new-tuple: id[integer]:-2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: old-key: id[integer]:-2 data[integer]:3 new-tuple: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: old-key: id[integer]:2 data[integer]:3 new-tuple: id[integer]:-2 data[integer]:3 new_column[text]:null
+COMMIT
+BEGIN
+table public.table_without_key: UPDATE: old-key: id[integer]:-2 data[integer]:3 new-tuple: id[integer]:2 data[integer]:3 new_column[text]:'someval'
+COMMIT
+BEGIN
+table public.table_without_key: DELETE: id[integer]:2 data[integer]:3 new_column[text]:'someval'
+COMMIT
+BEGIN
+table public.table_with_pkey: INSERT: id[integer]:1 data[integer]:1
+table public.table_with_pkey: INSERT: id[integer]:2 data[integer]:2
+COMMIT
+BEGIN
+table public.table_with_pkey: DELETE: id[integer]:1
+COMMIT
+BEGIN
+table public.table_with_pkey: UPDATE: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_pkey: UPDATE: old-key: id[integer]:2 new-tuple: id[integer]:-2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_pkey: UPDATE: old-key: id[integer]:-2 new-tuple: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_pkey: UPDATE: old-key: id[integer]:2 new-tuple: id[integer]:-2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_pkey: UPDATE: old-key: id[integer]:-2 new-tuple: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_pkey: DELETE: id[integer]:2
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: INSERT: id[integer]:1 data[integer]:1
+table public.table_with_unique_not_null: INSERT: id[integer]:2 data[integer]:2
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: id[integer]:-2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: id[integer]:2 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: INSERT: id[integer]:3 data[integer]:1
+table public.table_with_unique_not_null: INSERT: id[integer]:4 data[integer]:2
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: DELETE: id[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: id[integer]:4 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: old-key: id[integer]:4 new-tuple: id[integer]:-4 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: UPDATE: old-key: id[integer]:-4 new-tuple: id[integer]:4 data[integer]:3
+COMMIT
+BEGIN
+table public.table_with_unique_not_null: DELETE: id[integer]:4
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: INSERT: a[integer]:1 b[integer]:1 c[integer]:1
+table public.table_dropped_index_with_pk: INSERT: a[integer]:2 b[integer]:2 c[integer]:2
+table public.table_dropped_index_with_pk: INSERT: a[integer]:3 b[integer]:3 c[integer]:3
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: UPDATE: a[integer]:4 b[integer]:1 c[integer]:1
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: UPDATE: a[integer]:2 b[integer]:5 c[integer]:2
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: UPDATE: a[integer]:3 b[integer]:6 c[integer]:7
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_dropped_index_with_pk: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: INSERT: a[integer]:1 b[integer]:1 c[integer]:1
+table public.table_dropped_index_no_pk: INSERT: a[integer]:2 b[integer]:2 c[integer]:2
+table public.table_dropped_index_no_pk: INSERT: a[integer]:3 b[integer]:3 c[integer]:3
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: UPDATE: a[integer]:4 b[integer]:1 c[integer]:1
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: UPDATE: a[integer]:2 b[integer]:5 c[integer]:2
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: UPDATE: a[integer]:3 b[integer]:6 c[integer]:7
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.table_dropped_index_no_pk: DELETE: (no-tuple-data)
+COMMIT
+BEGIN
+table public.toasttable: INSERT: id[integer]:1 toasted_col1[text]:'123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152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rand1[double precision]:79 toasted_col2[text]:null rand2[double precision]:1578
+COMMIT
+BEGIN
+table public.toasttable: INSERT: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 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04960497049804990500' rand2[double precision]:4576
+COMMIT
+BEGIN
+table public.toasttable: UPDATE: id[integer]:1 toasted_col1[text]:'12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000' rand1[double precision]:79 toasted_col2[text]:null rand2[double precision]:1578
+COMMIT
+(143 rows)
+\pset format aligned
+INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i);
+-- update of second column, first column unchanged
+UPDATE toasttable
+ SET toasted_col2 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i))
+WHERE id = 1;
+-- make sure we decode correctly even if the toast table is gone
+DROP TABLE toasttable;
+\pset format unaligned
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+BEGIN
+table public.toasttable: INSERT: id[integer]:3 toasted_col1[text]:'123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152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rand1[double precision]:6075 toasted_col2[text]:null rand2[double precision]:7574
+COMMIT
+BEGIN
+table public.toasttable: UPDATE: id[integer]:1 toasted_col1[text]:unchanged-toast-datum rand1[double precision]:79 toasted_col2[text]:'12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000' rand2[double precision]:1578
+COMMIT
+(6 rows)
+-- done, free logical replication slot
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+(0 rows)
+\pset format aligned
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+/* check that the slot is gone */
+\x
+SELECT * FROM pg_replication_slots;
+(0 rows)
+
+\x
diff --git a/contrib/test_decoding/expected/decoding_in_xact.out b/contrib/test_decoding/expected/decoding_in_xact.out
new file mode 100644
index 0000000..b65253f
--- /dev/null
+++ b/contrib/test_decoding/expected/decoding_in_xact.out
@@ -0,0 +1,87 @@
+-- predictability
+SET synchronous_commit = on;
+-- fail because we're creating a slot while in an xact with xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+ ?column?
+----------
+ f
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR: cannot create logical replication slot in transaction that has performed writes
+ROLLBACK;
+-- fail because we're creating a slot while in a subxact whose topxact has an xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+ ?column?
+----------
+ f
+(1 row)
+
+SAVEPOINT barf;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR: cannot create logical replication slot in transaction that has performed writes
+ROLLBACK TO SAVEPOINT barf;
+ROLLBACK;
+-- succeed, outside tx.
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ stop
+(1 row)
+
+-- succeed, in tx without xid.
+BEGIN;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+COMMIT;
+CREATE TABLE nobarf(id serial primary key, data text);
+INSERT INTO nobarf(data) VALUES('1');
+-- decoding works in transaction with xid
+BEGIN;
+SELECT pg_current_xact_id() = '0';
+ ?column?
+----------
+ f
+(1 row)
+
+-- don't show yet, haven't committed
+INSERT INTO nobarf(data) VALUES('2');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------------------------------
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:1 data[text]:'1'
+ COMMIT
+(3 rows)
+
+COMMIT;
+INSERT INTO nobarf(data) VALUES('3');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------------------------------
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:2 data[text]:'2'
+ COMMIT
+ BEGIN
+ table public.nobarf: INSERT: id[integer]:3 data[text]:'3'
+ COMMIT
+(6 rows)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/decoding_into_rel.out b/contrib/test_decoding/expected/decoding_into_rel.out
new file mode 100644
index 0000000..8fd3390
--- /dev/null
+++ b/contrib/test_decoding/expected/decoding_into_rel.out
@@ -0,0 +1,111 @@
+-- test that we can insert the result of a get_changes call into a
+-- logged relation. That's really not a good idea in practical terms,
+-- but provides a nice test.
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- slot works
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- create some changes
+CREATE TABLE somechange(id serial primary key);
+INSERT INTO somechange DEFAULT VALUES;
+CREATE TABLE changeresult AS
+ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+SELECT * FROM changeresult;
+ data
+------------------------------------------------
+ BEGIN
+ table public.somechange: INSERT: id[integer]:1
+ COMMIT
+(3 rows)
+
+INSERT INTO changeresult
+ SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+INSERT INTO changeresult
+ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+SELECT * FROM changeresult;
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.somechange: INSERT: id[integer]:1
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.somechange: INSERT: id[integer]:1'
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.somechange: INSERT: id[integer]:1'
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.somechange: INSERT: id[integer]:1'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+(20 rows)
+
+DROP TABLE changeresult;
+DROP TABLE somechange;
+-- check calling logical decoding from pl/pgsql
+CREATE FUNCTION slot_changes_wrapper(slot_name name) RETURNS SETOF TEXT AS $$
+BEGIN
+ RETURN QUERY
+ SELECT data FROM pg_logical_slot_peek_changes(slot_name, NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+END$$ LANGUAGE plpgsql;
+SELECT * FROM slot_changes_wrapper('regression_slot');
+ slot_changes_wrapper
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.somechange: INSERT: id[integer]:1'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''BEGIN'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''table public.somechange: INSERT: id[integer]:1'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''COMMIT'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+(14 rows)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.somechange: INSERT: id[integer]:1'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ table public.changeresult: INSERT: data[text]:'BEGIN'
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''BEGIN'''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''BEGIN'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''table public.somechange: INSERT: id[integer]:1'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''table public.changeresult: INSERT: data[text]:''''COMMIT'''''''
+ table public.changeresult: INSERT: data[text]:'table public.changeresult: INSERT: data[text]:''COMMIT'''
+ table public.changeresult: INSERT: data[text]:'COMMIT'
+ COMMIT
+(14 rows)
+
+SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/delayed_startup.out b/contrib/test_decoding/expected/delayed_startup.out
new file mode 100644
index 0000000..d10de36
--- /dev/null
+++ b/contrib/test_decoding/expected/delayed_startup.out
@@ -0,0 +1,50 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s1b s1w s2init s1c s2start s1b s1w s1c s2start s1b s1w s2start s1c s2start
+step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1w: INSERT INTO do_write DEFAULT VALUES;
+step s2init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); <waiting ...>
+step s1c: COMMIT;
+step s2init: <... completed>
+?column?
+--------
+init
+(1 row)
+
+step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+----
+(0 rows)
+
+step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1w: INSERT INTO do_write DEFAULT VALUES;
+step s1c: COMMIT;
+step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+--------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:2
+COMMIT
+(3 rows)
+
+step s1b: BEGIN ISOLATION LEVEL SERIALIZABLE;
+step s1w: INSERT INTO do_write DEFAULT VALUES;
+step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+----
+(0 rows)
+
+step s1c: COMMIT;
+step s2start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+--------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:3
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/messages.out b/contrib/test_decoding/expected/messages.out
new file mode 100644
index 0000000..c75d401
--- /dev/null
+++ b/contrib/test_decoding/expected/messages.out
@@ -0,0 +1,99 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'msg1' FROM pg_logical_emit_message(true, 'test', 'msg1');
+ ?column?
+----------
+ msg1
+(1 row)
+
+SELECT 'msg2' FROM pg_logical_emit_message(false, 'test', 'msg2');
+ ?column?
+----------
+ msg2
+(1 row)
+
+BEGIN;
+SELECT 'msg3' FROM pg_logical_emit_message(true, 'test', 'msg3');
+ ?column?
+----------
+ msg3
+(1 row)
+
+SELECT 'msg4' FROM pg_logical_emit_message(false, 'test', 'msg4');
+ ?column?
+----------
+ msg4
+(1 row)
+
+ROLLBACK;
+BEGIN;
+SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', 'msg5');
+ ?column?
+----------
+ msg5
+(1 row)
+
+SELECT 'msg6' FROM pg_logical_emit_message(false, 'test', 'msg6');
+ ?column?
+----------
+ msg6
+(1 row)
+
+SELECT 'msg7' FROM pg_logical_emit_message(true, 'test', 'msg7');
+ ?column?
+----------
+ msg7
+(1 row)
+
+COMMIT;
+SELECT 'ignorethis' FROM pg_logical_emit_message(true, 'test', 'czechtastic');
+ ?column?
+------------
+ ignorethis
+(1 row)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------
+ message: transactional: 1 prefix: test, sz: 4 content:msg1
+ message: transactional: 0 prefix: test, sz: 4 content:msg2
+ message: transactional: 0 prefix: test, sz: 4 content:msg4
+ message: transactional: 0 prefix: test, sz: 4 content:msg6
+ message: transactional: 1 prefix: test, sz: 4 content:msg5
+ message: transactional: 1 prefix: test, sz: 4 content:msg7
+ message: transactional: 1 prefix: test, sz: 11 content:czechtastic
+(7 rows)
+
+-- test db filtering
+\set prevdb :DBNAME
+\c template1
+SELECT 'otherdb1' FROM pg_logical_emit_message(false, 'test', 'otherdb1');
+ ?column?
+----------
+ otherdb1
+(1 row)
+
+SELECT 'otherdb2' FROM pg_logical_emit_message(true, 'test', 'otherdb2');
+ ?column?
+----------
+ otherdb2
+(1 row)
+
+\c :prevdb
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+SELECT 'cleanup' FROM pg_drop_replication_slot('regression_slot');
+ ?column?
+----------
+ cleanup
+(1 row)
+
diff --git a/contrib/test_decoding/expected/mxact.out b/contrib/test_decoding/expected/mxact.out
new file mode 100644
index 0000000..03ad3df
--- /dev/null
+++ b/contrib/test_decoding/expected/mxact.out
@@ -0,0 +1,90 @@
+Parsed test spec with 3 sessions
+
+starting permutation: s0init s0start s1begin s1sharepgclass s2begin s2sharepgclass s0w s0start s2commit s1commit
+step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+----
+(0 rows)
+
+step s1begin: BEGIN;
+step s1sharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s;
+?column?
+--------
+t
+(1 row)
+
+step s2begin: BEGIN;
+step s2sharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR SHARE) s;
+?column?
+--------
+t
+(1 row)
+
+step s0w: INSERT INTO do_write DEFAULT VALUES;
+step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+--------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:1
+COMMIT
+(3 rows)
+
+step s2commit: COMMIT;
+step s1commit: COMMIT;
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s0init s0start s1begin s1keysharepgclass s2begin s2keysharepgclass s0alter s0w s0start s2commit s1commit
+step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
+?column?
+--------
+init
+(1 row)
+
+step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+----
+(0 rows)
+
+step s1begin: BEGIN;
+step s1keysharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s;
+?column?
+--------
+t
+(1 row)
+
+step s2begin: BEGIN;
+step s2keysharepgclass: SELECT count(*) > 1 FROM (SELECT * FROM pg_class FOR KEY SHARE) s;
+?column?
+--------
+t
+(1 row)
+
+step s0alter: ALTER TABLE do_write ADD column ts timestamptz;
+step s0w: INSERT INTO do_write DEFAULT VALUES;
+step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+------------------------------------------------------------------------------
+BEGIN
+COMMIT
+BEGIN
+table public.do_write: INSERT: id[integer]:1 ts[timestamp with time zone]:null
+COMMIT
+(5 rows)
+
+step s2commit: COMMIT;
+step s1commit: COMMIT;
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/oldest_xmin.out b/contrib/test_decoding/expected/oldest_xmin.out
new file mode 100644
index 0000000..dd6053f
--- /dev/null
+++ b/contrib/test_decoding/expected/oldest_xmin.out
@@ -0,0 +1,40 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s0_begin s0_getxid s1_begin s1_insert s0_alter s0_commit s0_checkpoint s0_get_changes s0_get_changes s1_commit s0_vacuum s0_get_changes
+step s0_begin: BEGIN;
+step s0_getxid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s1_begin: BEGIN;
+step s1_insert: INSERT INTO harvest VALUES ((1, 2, 3));
+step s0_alter: ALTER TYPE basket DROP ATTRIBUTE mangos;
+step s0_commit: COMMIT;
+step s0_checkpoint: CHECKPOINT;
+step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----
+(0 rows)
+
+step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----
+(0 rows)
+
+step s1_commit: COMMIT;
+step s0_vacuum: VACUUM pg_attribute;
+step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+------------------------------------------------------
+BEGIN
+table public.harvest: INSERT: fruits[basket]:'(1,2,3)'
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/ondisk_startup.out b/contrib/test_decoding/expected/ondisk_startup.out
new file mode 100644
index 0000000..bc7ff07
--- /dev/null
+++ b/contrib/test_decoding/expected/ondisk_startup.out
@@ -0,0 +1,66 @@
+Parsed test spec with 3 sessions
+
+starting permutation: s2b s2txid s1init s3b s3txid s2alter s2c s2b s2txid s3c s2c s1insert s1checkpoint s1start s1insert s1alter s1insert s1start
+step s2b: BEGIN;
+step s2txid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s1init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); <waiting ...>
+step s3b: BEGIN;
+step s3txid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s2alter: ALTER TABLE do_write ADD COLUMN addedbys2 int;
+step s2c: COMMIT;
+step s2b: BEGIN;
+step s2txid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s3c: COMMIT;
+step s1init: <... completed>
+?column?
+--------
+init
+(1 row)
+
+step s2c: COMMIT;
+step s1insert: INSERT INTO do_write DEFAULT VALUES;
+step s1checkpoint: CHECKPOINT;
+step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+--------------------------------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:1 addedbys2[integer]:null
+COMMIT
+(3 rows)
+
+step s1insert: INSERT INTO do_write DEFAULT VALUES;
+step s1alter: ALTER TABLE do_write ADD COLUMN addedbys1 int;
+step s1insert: INSERT INTO do_write DEFAULT VALUES;
+step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
+data
+--------------------------------------------------------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:2 addedbys2[integer]:null
+COMMIT
+BEGIN
+COMMIT
+BEGIN
+table public.do_write: INSERT: id[integer]:3 addedbys2[integer]:null addedbys1[integer]:null
+COMMIT
+(8 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/permissions.out b/contrib/test_decoding/expected/permissions.out
new file mode 100644
index 0000000..ed97f81
--- /dev/null
+++ b/contrib/test_decoding/expected/permissions.out
@@ -0,0 +1,130 @@
+-- predictability
+SET synchronous_commit = on;
+-- setup
+CREATE ROLE regress_lr_normal;
+CREATE ROLE regress_lr_superuser SUPERUSER;
+CREATE ROLE regress_lr_replication REPLICATION;
+CREATE TABLE lr_test(data text);
+-- superuser can control replication
+SET ROLE regress_lr_superuser;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+INSERT INTO lr_test VALUES('lr_superuser_init');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------
+ BEGIN
+ table public.lr_test: INSERT: data[text]:'lr_superuser_init'
+ COMMIT
+(3 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+RESET ROLE;
+-- replication user can control replication
+SET ROLE regress_lr_replication;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+INSERT INTO lr_test VALUES('lr_superuser_init');
+ERROR: permission denied for table lr_test
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+RESET ROLE;
+-- plain user *can't* can control replication
+SET ROLE regress_lr_normal;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ERROR: must be superuser or replication role to use replication slots
+INSERT INTO lr_test VALUES('lr_superuser_init');
+ERROR: permission denied for table lr_test
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ERROR: must be superuser or replication role to use replication slots
+SELECT pg_drop_replication_slot('regression_slot');
+ERROR: must be superuser or replication role to use replication slots
+RESET ROLE;
+-- replication users can drop superuser created slots
+SET ROLE regress_lr_superuser;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+RESET ROLE;
+SET ROLE regress_lr_replication;
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+RESET ROLE;
+-- normal users can't drop existing slots
+SET ROLE regress_lr_superuser;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+RESET ROLE;
+SET ROLE regress_lr_normal;
+SELECT pg_drop_replication_slot('regression_slot');
+ERROR: must be superuser or replication role to use replication slots
+RESET ROLE;
+-- all users can see existing slots
+SET ROLE regress_lr_superuser;
+SELECT slot_name, plugin FROM pg_replication_slots;
+ slot_name | plugin
+-----------------+---------------
+ regression_slot | test_decoding
+(1 row)
+
+RESET ROLE;
+SET ROLE regress_lr_replication;
+SELECT slot_name, plugin FROM pg_replication_slots;
+ slot_name | plugin
+-----------------+---------------
+ regression_slot | test_decoding
+(1 row)
+
+RESET ROLE;
+SET ROLE regress_lr_normal;
+SELECT slot_name, plugin FROM pg_replication_slots;
+ slot_name | plugin
+-----------------+---------------
+ regression_slot | test_decoding
+(1 row)
+
+RESET ROLE;
+-- cleanup
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+DROP ROLE regress_lr_normal;
+DROP ROLE regress_lr_superuser;
+DROP ROLE regress_lr_replication;
+DROP TABLE lr_test;
diff --git a/contrib/test_decoding/expected/prepared.out b/contrib/test_decoding/expected/prepared.out
new file mode 100644
index 0000000..46e915d
--- /dev/null
+++ b/contrib/test_decoding/expected/prepared.out
@@ -0,0 +1,74 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE test_prepared1(id int);
+CREATE TABLE test_prepared2(id int);
+-- test simple successful use of a prepared xact
+BEGIN;
+INSERT INTO test_prepared1 VALUES (1);
+PREPARE TRANSACTION 'test_prepared#1';
+COMMIT PREPARED 'test_prepared#1';
+INSERT INTO test_prepared1 VALUES (2);
+-- test abort of a prepared xact
+BEGIN;
+INSERT INTO test_prepared1 VALUES (3);
+PREPARE TRANSACTION 'test_prepared#2';
+ROLLBACK PREPARED 'test_prepared#2';
+INSERT INTO test_prepared1 VALUES (4);
+-- test prepared xact containing ddl
+BEGIN;
+INSERT INTO test_prepared1 VALUES (5);
+ALTER TABLE test_prepared1 ADD COLUMN data text;
+INSERT INTO test_prepared1 VALUES (6, 'frakbar');
+PREPARE TRANSACTION 'test_prepared#3';
+-- test that we decode correctly while an uncommitted prepared xact
+-- with ddl exists.
+-- separate table because of the lock from the ALTER
+-- this will come before the '5' row above, as this commits before it.
+INSERT INTO test_prepared2 VALUES (7);
+COMMIT PREPARED 'test_prepared#3';
+-- make sure stuff still works
+INSERT INTO test_prepared1 VALUES (8);
+INSERT INTO test_prepared2 VALUES (9);
+-- cleanup
+DROP TABLE test_prepared1;
+DROP TABLE test_prepared2;
+-- show results
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-------------------------------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:1
+ COMMIT
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:2
+ COMMIT
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:4
+ COMMIT
+ BEGIN
+ table public.test_prepared2: INSERT: id[integer]:7
+ COMMIT
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:5
+ table public.test_prepared1: INSERT: id[integer]:6 data[text]:'frakbar'
+ COMMIT
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:8 data[text]:null
+ COMMIT
+ BEGIN
+ table public.test_prepared2: INSERT: id[integer]:9
+ COMMIT
+(22 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/replorigin.out b/contrib/test_decoding/expected/replorigin.out
new file mode 100644
index 0000000..2e9ef7c
--- /dev/null
+++ b/contrib/test_decoding/expected/replorigin.out
@@ -0,0 +1,259 @@
+-- predictability
+SET synchronous_commit = on;
+-- superuser required by default
+CREATE ROLE regress_origin_replication REPLICATION;
+SET ROLE regress_origin_replication;
+SELECT pg_replication_origin_advance('regress_test_decoding: perm', '0/1');
+ERROR: permission denied for function pg_replication_origin_advance
+SELECT pg_replication_origin_create('regress_test_decoding: perm');
+ERROR: permission denied for function pg_replication_origin_create
+SELECT pg_replication_origin_drop('regress_test_decoding: perm');
+ERROR: permission denied for function pg_replication_origin_drop
+SELECT pg_replication_origin_oid('regress_test_decoding: perm');
+ERROR: permission denied for function pg_replication_origin_oid
+SELECT pg_replication_origin_progress('regress_test_decoding: perm', false);
+ERROR: permission denied for function pg_replication_origin_progress
+SELECT pg_replication_origin_session_is_setup();
+ERROR: permission denied for function pg_replication_origin_session_is_setup
+SELECT pg_replication_origin_session_progress(false);
+ERROR: permission denied for function pg_replication_origin_session_progress
+SELECT pg_replication_origin_session_reset();
+ERROR: permission denied for function pg_replication_origin_session_reset
+SELECT pg_replication_origin_session_setup('regress_test_decoding: perm');
+ERROR: permission denied for function pg_replication_origin_session_setup
+SELECT pg_replication_origin_xact_reset();
+ERROR: permission denied for function pg_replication_origin_xact_reset
+SELECT pg_replication_origin_xact_setup('0/1', '2013-01-01 00:00');
+ERROR: permission denied for function pg_replication_origin_xact_setup
+SELECT pg_show_replication_origin_status();
+ERROR: permission denied for function pg_show_replication_origin_status
+RESET ROLE;
+DROP ROLE regress_origin_replication;
+CREATE TABLE origin_tbl(id serial primary key, data text);
+CREATE TABLE target_tbl(id serial primary key, data text);
+SELECT pg_replication_origin_create('regress_test_decoding: regression_slot');
+ pg_replication_origin_create
+------------------------------
+ 1
+(1 row)
+
+-- ensure duplicate creations fail
+SELECT pg_replication_origin_create('regress_test_decoding: regression_slot');
+ERROR: duplicate key value violates unique constraint "pg_replication_origin_roname_index"
+DETAIL: Key (roname)=(regress_test_decoding: regression_slot) already exists.
+--ensure deletions work (once)
+SELECT pg_replication_origin_create('regress_test_decoding: temp');
+ pg_replication_origin_create
+------------------------------
+ 2
+(1 row)
+
+SELECT pg_replication_origin_drop('regress_test_decoding: temp');
+ pg_replication_origin_drop
+----------------------------
+
+(1 row)
+
+SELECT pg_replication_origin_drop('regress_test_decoding: temp');
+ERROR: replication origin "regress_test_decoding: temp" does not exist
+-- various failure checks for undefined slots
+select pg_replication_origin_advance('regress_test_decoding: temp', '0/1');
+ERROR: replication origin "regress_test_decoding: temp" does not exist
+select pg_replication_origin_session_setup('regress_test_decoding: temp');
+ERROR: replication origin "regress_test_decoding: temp" does not exist
+select pg_replication_origin_progress('regress_test_decoding: temp', true);
+ERROR: replication origin "regress_test_decoding: temp" does not exist
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- origin tx
+INSERT INTO origin_tbl(data) VALUES ('will be replicated and decoded and decoded again');
+INSERT INTO target_tbl(data)
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+-- as is normal, the insert into target_tbl shows up
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.target_tbl: INSERT: id[integer]:1 data[text]:'BEGIN'
+ table public.target_tbl: INSERT: id[integer]:2 data[text]:'table public.origin_tbl: INSERT: id[integer]:1 data[text]:''will be replicated and decoded and decoded again'''
+ table public.target_tbl: INSERT: id[integer]:3 data[text]:'COMMIT'
+ COMMIT
+(5 rows)
+
+INSERT INTO origin_tbl(data) VALUES ('will be replicated, but not decoded again');
+-- mark session as replaying
+SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot');
+ pg_replication_origin_session_setup
+-------------------------------------
+
+(1 row)
+
+-- ensure we prevent duplicate setup
+SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot');
+ERROR: cannot setup replication origin when one is already setup
+SELECT '' FROM pg_logical_emit_message(false, 'test', 'this message will not be decoded');
+ ?column?
+----------
+
+(1 row)
+
+BEGIN;
+-- setup transaction origin
+SELECT pg_replication_origin_xact_setup('0/aabbccdd', '2013-01-01 00:00');
+ pg_replication_origin_xact_setup
+----------------------------------
+
+(1 row)
+
+INSERT INTO target_tbl(data)
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
+COMMIT;
+-- check replication progress for the session is correct
+SELECT pg_replication_origin_session_progress(false);
+ pg_replication_origin_session_progress
+----------------------------------------
+ 0/AABBCCDD
+(1 row)
+
+SELECT pg_replication_origin_session_progress(true);
+ pg_replication_origin_session_progress
+----------------------------------------
+ 0/AABBCCDD
+(1 row)
+
+SELECT pg_replication_origin_session_reset();
+ pg_replication_origin_session_reset
+-------------------------------------
+
+(1 row)
+
+SELECT local_id, external_id, remote_lsn, local_lsn <> '0/0' FROM pg_replication_origin_status;
+ local_id | external_id | remote_lsn | ?column?
+----------+----------------------------------------+------------+----------
+ 1 | regress_test_decoding: regression_slot | 0/AABBCCDD | t
+(1 row)
+
+-- check replication progress identified by name is correct
+SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', false);
+ pg_replication_origin_progress
+--------------------------------
+ 0/AABBCCDD
+(1 row)
+
+SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', true);
+ pg_replication_origin_progress
+--------------------------------
+ 0/AABBCCDD
+(1 row)
+
+-- ensure reset requires previously setup state
+SELECT pg_replication_origin_session_reset();
+ERROR: no replication origin is configured
+-- and magically the replayed xact will be filtered!
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
+ data
+------
+(0 rows)
+
+--but new original changes still show up
+INSERT INTO origin_tbl(data) VALUES ('will be replicated');
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
+ data
+--------------------------------------------------------------------------------
+ BEGIN
+ table public.origin_tbl: INSERT: id[integer]:3 data[text]:'will be replicated'
+ COMMIT
+(3 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_replication_origin_drop('regress_test_decoding: regression_slot');
+ pg_replication_origin_drop
+----------------------------
+
+(1 row)
+
+-- Set of transactions with no origin LSNs and commit timestamps set for
+-- this session.
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_no_lsn', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT pg_replication_origin_create('regress_test_decoding: regression_slot_no_lsn');
+ pg_replication_origin_create
+------------------------------
+ 1
+(1 row)
+
+-- mark session as replaying
+SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot_no_lsn');
+ pg_replication_origin_session_setup
+-------------------------------------
+
+(1 row)
+
+-- Simple transactions
+BEGIN;
+INSERT INTO origin_tbl(data) VALUES ('no_lsn, commit');
+COMMIT;
+BEGIN;
+INSERT INTO origin_tbl(data) VALUES ('no_lsn, rollback');
+ROLLBACK;
+-- 2PC transactions
+BEGIN;
+INSERT INTO origin_tbl(data) VALUES ('no_lsn, commit prepared');
+PREPARE TRANSACTION 'replorigin_prepared';
+COMMIT PREPARED 'replorigin_prepared';
+BEGIN;
+INSERT INTO origin_tbl(data) VALUES ('no_lsn, rollback prepared');
+PREPARE TRANSACTION 'replorigin_prepared';
+ROLLBACK PREPARED 'replorigin_prepared';
+SELECT local_id, external_id,
+ remote_lsn <> '0/0' AS valid_remote_lsn,
+ local_lsn <> '0/0' AS valid_local_lsn
+ FROM pg_replication_origin_status;
+ local_id | external_id | valid_remote_lsn | valid_local_lsn
+----------+-----------------------------------------------+------------------+-----------------
+ 1 | regress_test_decoding: regression_slot_no_lsn | f | t
+(1 row)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot_no_lsn', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
+ data
+-------------------------------------------------------------------------------------
+ BEGIN
+ table public.origin_tbl: INSERT: id[integer]:4 data[text]:'no_lsn, commit'
+ COMMIT
+ BEGIN
+ table public.origin_tbl: INSERT: id[integer]:6 data[text]:'no_lsn, commit prepared'
+ COMMIT
+(6 rows)
+
+-- Clean up
+SELECT pg_replication_origin_session_reset();
+ pg_replication_origin_session_reset
+-------------------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('regression_slot_no_lsn');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_replication_origin_drop('regress_test_decoding: regression_slot_no_lsn');
+ pg_replication_origin_drop
+----------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/rewrite.out b/contrib/test_decoding/expected/rewrite.out
new file mode 100644
index 0000000..b30999c
--- /dev/null
+++ b/contrib/test_decoding/expected/rewrite.out
@@ -0,0 +1,164 @@
+-- predictability
+SET synchronous_commit = on;
+DROP TABLE IF EXISTS replication_example;
+-- Ensure there's tables with toast datums. To do so, we dynamically
+-- create a function returning a large textblob. We want tables of
+-- different kinds: mapped catalog table, unmapped catalog table,
+-- shared catalog table and usertable.
+CREATE FUNCTION exec(text) returns void language plpgsql volatile
+ AS $f$
+ BEGIN
+ EXECUTE $1;
+ END;
+$f$;
+CREATE ROLE regress_justforcomments NOLOGIN;
+SELECT exec(
+ format($outer$CREATE FUNCTION iamalongfunction() RETURNS TEXT IMMUTABLE LANGUAGE SQL AS $f$SELECT text %L$f$$outer$,
+ (SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i))));
+ exec
+------
+
+(1 row)
+
+SELECT exec(
+ format($outer$COMMENT ON FUNCTION iamalongfunction() IS %L$outer$,
+ iamalongfunction()));
+ exec
+------
+
+(1 row)
+
+SELECT exec(
+ format($outer$COMMENT ON ROLE REGRESS_JUSTFORCOMMENTS IS %L$outer$,
+ iamalongfunction()));
+ exec
+------
+
+(1 row)
+
+CREATE TABLE iamalargetable AS SELECT iamalongfunction() longfunctionoutput;
+-- verify toast usage
+SELECT pg_relation_size((SELECT reltoastrelid FROM pg_class WHERE oid = 'pg_proc'::regclass)) > 0;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT pg_relation_size((SELECT reltoastrelid FROM pg_class WHERE oid = 'pg_description'::regclass)) > 0;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT pg_relation_size((SELECT reltoastrelid FROM pg_class WHERE oid = 'pg_shdescription'::regclass)) > 0;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120));
+INSERT INTO replication_example(somedata) VALUES (1);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:1 somedata[integer]:1 text[character varying]:null
+ COMMIT
+(3 rows)
+
+BEGIN;
+INSERT INTO replication_example(somedata) VALUES (2);
+ALTER TABLE replication_example ADD COLUMN testcolumn1 int;
+INSERT INTO replication_example(somedata, testcolumn1) VALUES (3, 1);
+COMMIT;
+BEGIN;
+INSERT INTO replication_example(somedata) VALUES (3);
+ALTER TABLE replication_example ADD COLUMN testcolumn2 int;
+INSERT INTO replication_example(somedata, testcolumn1, testcolumn2) VALUES (4, 2, 1);
+COMMIT;
+VACUUM FULL pg_am;
+VACUUM FULL pg_amop;
+VACUUM FULL pg_proc;
+VACUUM FULL pg_opclass;
+VACUUM FULL pg_type;
+VACUUM FULL pg_index;
+VACUUM FULL pg_database;
+-- repeated rewrites that fail
+BEGIN;
+CLUSTER pg_class USING pg_class_oid_index;
+CLUSTER pg_class USING pg_class_oid_index;
+ROLLBACK;
+-- repeated rewrites that succeed
+BEGIN;
+CLUSTER pg_class USING pg_class_oid_index;
+CLUSTER pg_class USING pg_class_oid_index;
+CLUSTER pg_class USING pg_class_oid_index;
+COMMIT;
+ -- repeated rewrites in different transactions
+VACUUM FULL pg_class;
+VACUUM FULL pg_class;
+-- reindexing of important relations / indexes
+REINDEX TABLE pg_class;
+REINDEX INDEX pg_class_oid_index;
+REINDEX INDEX pg_class_tblspc_relfilenode_index;
+INSERT INTO replication_example(somedata, testcolumn1) VALUES (5, 3);
+BEGIN;
+INSERT INTO replication_example(somedata, testcolumn1) VALUES (6, 4);
+ALTER TABLE replication_example ADD COLUMN testcolumn3 int;
+INSERT INTO replication_example(somedata, testcolumn1, testcolumn3) VALUES (7, 5, 1);
+COMMIT;
+-- make old files go away
+CHECKPOINT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:2 somedata[integer]:2 text[character varying]:null
+ table public.replication_example: INSERT: id[integer]:3 somedata[integer]:3 text[character varying]:null testcolumn1[integer]:1
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:4 somedata[integer]:3 text[character varying]:null testcolumn1[integer]:null
+ table public.replication_example: INSERT: id[integer]:5 somedata[integer]:4 text[character varying]:null testcolumn1[integer]:2 testcolumn2[integer]:1
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:6 somedata[integer]:5 text[character varying]:null testcolumn1[integer]:3 testcolumn2[integer]:null
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:7 somedata[integer]:6 text[character varying]:null testcolumn1[integer]:4 testcolumn2[integer]:null
+ table public.replication_example: INSERT: id[integer]:8 somedata[integer]:7 text[character varying]:null testcolumn1[integer]:5 testcolumn2[integer]:null testcolumn3[integer]:1
+ COMMIT
+(15 rows)
+
+-- trigger repeated rewrites of a system catalog with a toast table,
+-- that previously was buggy: 20180914021046.oi7dm4ra3ot2g2kt@alap3.anarazel.de
+VACUUM FULL pg_proc; VACUUM FULL pg_description; VACUUM FULL pg_shdescription; VACUUM FULL iamalargetable;
+INSERT INTO replication_example(somedata, testcolumn1, testcolumn3) VALUES (8, 6, 1);
+VACUUM FULL pg_proc; VACUUM FULL pg_description; VACUUM FULL pg_shdescription; VACUUM FULL iamalargetable;
+INSERT INTO replication_example(somedata, testcolumn1, testcolumn3) VALUES (9, 7, 1);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:9 somedata[integer]:8 text[character varying]:null testcolumn1[integer]:6 testcolumn2[integer]:null testcolumn3[integer]:1
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:10 somedata[integer]:9 text[character varying]:null testcolumn1[integer]:7 testcolumn2[integer]:null testcolumn3[integer]:1
+ COMMIT
+(6 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+DROP TABLE IF EXISTS replication_example;
+DROP FUNCTION iamalongfunction();
+DROP FUNCTION exec(text);
+DROP ROLE regress_justforcomments;
diff --git a/contrib/test_decoding/expected/slot.out b/contrib/test_decoding/expected/slot.out
new file mode 100644
index 0000000..63a9940
--- /dev/null
+++ b/contrib/test_decoding/expected/slot.out
@@ -0,0 +1,408 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_t', 'test_decoding', true);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT pg_drop_replication_slot('regression_slot_p');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding', false);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_t2', 'test_decoding', true);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT pg_create_logical_replication_slot('foo', 'nonexistent');
+ERROR: could not access file "nonexistent": No such file or directory
+-- here we want to start a new session and wait till old one is gone
+select pg_backend_pid() as oldpid \gset
+\c -
+SET synchronous_commit = on;
+do 'declare c int = 0;
+begin
+ while (select count(*) from pg_replication_slots where active_pid = '
+ :'oldpid'
+ ') > 0 loop c := c + 1; perform pg_sleep(0.01); end loop;
+ raise log ''slot test looped % times'', c;
+end';
+-- should fail because the temporary slots were dropped automatically
+SELECT pg_drop_replication_slot('regression_slot_t');
+ERROR: replication slot "regression_slot_t" does not exist
+SELECT pg_drop_replication_slot('regression_slot_t2');
+ERROR: replication slot "regression_slot_t2" does not exist
+-- monitoring functions for slot directories
+SELECT count(*) >= 0 AS ok FROM pg_ls_logicalmapdir();
+ ok
+----
+ t
+(1 row)
+
+SELECT count(*) >= 0 AS ok FROM pg_ls_logicalsnapdir();
+ ok
+----
+ t
+(1 row)
+
+SELECT count(*) >= 0 AS ok FROM pg_ls_replslotdir('regression_slot_p');
+ ok
+----
+ t
+(1 row)
+
+SELECT count(*) >= 0 AS ok FROM pg_ls_replslotdir('not_existing_slot'); -- fails
+ERROR: replication slot "not_existing_slot" does not exist
+-- permanent slot has survived
+SELECT pg_drop_replication_slot('regression_slot_p');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+-- test switching between slots in a session
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot1', 'test_decoding', true);
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120));
+BEGIN;
+INSERT INTO replication_example(somedata, text) VALUES (1, 1);
+INSERT INTO replication_example(somedata, text) VALUES (1, 2);
+COMMIT;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot2', 'test_decoding', true);
+ ?column?
+----------
+ init
+(1 row)
+
+INSERT INTO replication_example(somedata, text) VALUES (1, 3);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot1', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:1 somedata[integer]:1 text[character varying]:'1'
+ table public.replication_example: INSERT: id[integer]:2 somedata[integer]:1 text[character varying]:'2'
+ COMMIT
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:3 somedata[integer]:1 text[character varying]:'3'
+ COMMIT
+(7 rows)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot2', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:3 somedata[integer]:1 text[character varying]:'3'
+ COMMIT
+(3 rows)
+
+INSERT INTO replication_example(somedata, text) VALUES (1, 4);
+INSERT INTO replication_example(somedata, text) VALUES (1, 5);
+SELECT pg_current_wal_lsn() AS wal_lsn \gset
+INSERT INTO replication_example(somedata, text) VALUES (1, 6);
+SELECT end_lsn FROM pg_replication_slot_advance('regression_slot1', :'wal_lsn') \gset
+SELECT slot_name FROM pg_replication_slot_advance('regression_slot2', pg_current_wal_lsn());
+ slot_name
+------------------
+ regression_slot2
+(1 row)
+
+SELECT :'wal_lsn' = :'end_lsn';
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot1', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.replication_example: INSERT: id[integer]:6 somedata[integer]:1 text[character varying]:'6'
+ COMMIT
+(3 rows)
+
+SELECT data FROM pg_logical_slot_get_changes('regression_slot2', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+DROP TABLE replication_example;
+-- error
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot1', 'test_decoding', true);
+ERROR: replication slot "regression_slot1" already exists
+-- both should error as they should be dropped on error
+SELECT pg_drop_replication_slot('regression_slot1');
+ERROR: replication slot "regression_slot1" does not exist
+SELECT pg_drop_replication_slot('regression_slot2');
+ERROR: replication slot "regression_slot2" does not exist
+-- slot advance with physical slot, error with non-reserved slot
+SELECT slot_name FROM pg_create_physical_replication_slot('regression_slot3');
+ slot_name
+------------------
+ regression_slot3
+(1 row)
+
+SELECT pg_replication_slot_advance('regression_slot3', '0/0'); -- invalid LSN
+ERROR: invalid target WAL LSN
+SELECT pg_replication_slot_advance('regression_slot3', '0/1'); -- error
+ERROR: replication slot "regression_slot3" cannot be advanced
+DETAIL: This slot has never previously reserved WAL, or it has been invalidated.
+SELECT pg_drop_replication_slot('regression_slot3');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+--
+-- Test copy functions for logical replication slots
+--
+-- Create and copy logical slots
+SELECT 'init' FROM pg_create_logical_replication_slot('orig_slot1', 'test_decoding', false);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_no_change');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_change_plugin', false, 'pgoutput');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_change_plugin_temp', true, 'pgoutput');
+ ?column?
+----------
+ copy
+(1 row)
+
+-- Check all copied slots status
+SELECT
+ o.slot_name, o.plugin, o.temporary, c.slot_name, c.plugin, c.temporary
+FROM
+ (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o
+ LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn AND o.confirmed_flush_lsn = c.confirmed_flush_lsn
+WHERE
+ o.slot_name != c.slot_name
+ORDER BY o.slot_name, c.slot_name;
+ slot_name | plugin | temporary | slot_name | plugin | temporary
+------------+---------------+-----------+---------------------------------+---------------+-----------
+ orig_slot1 | test_decoding | f | copied_slot1_change_plugin | pgoutput | f
+ orig_slot1 | test_decoding | f | copied_slot1_change_plugin_temp | pgoutput | t
+ orig_slot1 | test_decoding | f | copied_slot1_no_change | test_decoding | f
+(3 rows)
+
+-- Now we have maximum 4 replication slots. Check slots are properly
+-- released even when raise error during creating the target slot.
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'failed'); -- error
+ERROR: all replication slots are in use
+HINT: Free one or increase max_replication_slots.
+-- temporary slots were dropped automatically
+SELECT pg_drop_replication_slot('orig_slot1');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('copied_slot1_no_change');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('copied_slot1_change_plugin');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+-- Test based on the temporary logical slot
+SELECT 'init' FROM pg_create_logical_replication_slot('orig_slot2', 'test_decoding', true);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_no_change');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_change_plugin', true, 'pgoutput');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_change_plugin_temp', false, 'pgoutput');
+ ?column?
+----------
+ copy
+(1 row)
+
+-- Check all copied slots status
+SELECT
+ o.slot_name, o.plugin, o.temporary, c.slot_name, c.plugin, c.temporary
+FROM
+ (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o
+ LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn AND o.confirmed_flush_lsn = c.confirmed_flush_lsn
+WHERE
+ o.slot_name != c.slot_name
+ORDER BY o.slot_name, c.slot_name;
+ slot_name | plugin | temporary | slot_name | plugin | temporary
+------------+---------------+-----------+---------------------------------+---------------+-----------
+ orig_slot2 | test_decoding | t | copied_slot2_change_plugin | pgoutput | t
+ orig_slot2 | test_decoding | t | copied_slot2_change_plugin_temp | pgoutput | f
+ orig_slot2 | test_decoding | t | copied_slot2_no_change | test_decoding | t
+(3 rows)
+
+-- Cannot copy a logical slot to a physical slot
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'failed'); -- error
+ERROR: cannot copy physical replication slot "orig_slot2" as a logical replication slot
+-- temporary slots were dropped automatically
+SELECT pg_drop_replication_slot('copied_slot2_change_plugin_temp');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+--
+-- Test copy functions for physical replication slots
+--
+-- Create and copy physical slots
+SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot1', true);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot2', false);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot1', 'copied_slot1_no_change');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot1', 'copied_slot1_temp', true);
+ ?column?
+----------
+ copy
+(1 row)
+
+-- Check all copied slots status. Since all slots don't reserve WAL we check only other fields.
+SELECT slot_name, slot_type, temporary FROM pg_replication_slots;
+ slot_name | slot_type | temporary
+------------------------+-----------+-----------
+ orig_slot1 | physical | f
+ orig_slot2 | physical | f
+ copied_slot1_no_change | physical | f
+ copied_slot1_temp | physical | t
+(4 rows)
+
+-- Cannot copy a physical slot to a logical slot
+SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'failed'); -- error
+ERROR: cannot copy logical replication slot "orig_slot1" as a physical replication slot
+-- Cannot copy a physical slot that doesn't reserve WAL
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'failed'); -- error
+ERROR: cannot copy a replication slot that doesn't reserve WAL
+-- temporary slots were dropped automatically
+SELECT pg_drop_replication_slot('orig_slot1');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('orig_slot2');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('copied_slot1_no_change');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+-- Test based on the temporary physical slot
+SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot2', true, true);
+ ?column?
+----------
+ init
+(1 row)
+
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'copied_slot2_no_change');
+ ?column?
+----------
+ copy
+(1 row)
+
+SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'copied_slot2_notemp', false);
+ ?column?
+----------
+ copy
+(1 row)
+
+-- Check all copied slots status
+SELECT
+ o.slot_name, o.temporary, c.slot_name, c.temporary
+FROM
+ (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o
+ LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn
+WHERE
+ o.slot_name != c.slot_name
+ORDER BY o.slot_name, c.slot_name;
+ slot_name | temporary | slot_name | temporary
+------------+-----------+------------------------+-----------
+ orig_slot2 | t | copied_slot2_no_change | t
+ orig_slot2 | t | copied_slot2_notemp | f
+(2 rows)
+
+SELECT pg_drop_replication_slot('orig_slot2');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('copied_slot2_no_change');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
+SELECT pg_drop_replication_slot('copied_slot2_notemp');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/slot_creation_error.out b/contrib/test_decoding/expected/slot_creation_error.out
new file mode 100644
index 0000000..25883b5
--- /dev/null
+++ b/contrib/test_decoding/expected/slot_creation_error.out
@@ -0,0 +1,114 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s1_b s1_xid s2_init s1_view_slot s1_cancel_s2 s1_view_slot s1_c
+step s1_b: BEGIN;
+step s1_xid: SELECT 'xid' FROM txid_current();
+?column?
+--------
+xid
+(1 row)
+
+step s2_init:
+ SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
+ <waiting ...>
+step s1_view_slot:
+ SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
+
+slot_name |slot_type|active
+-------------------+---------+------
+slot_creation_error|logical |t
+(1 row)
+
+step s1_cancel_s2:
+ SELECT pg_cancel_backend(pid)
+ FROM pg_stat_activity
+ WHERE application_name = 'isolation/slot_creation_error/s2';
+ <waiting ...>
+step s2_init: <... completed>
+ERROR: canceling statement due to user request
+step s1_cancel_s2: <... completed>
+pg_cancel_backend
+-----------------
+t
+(1 row)
+
+step s1_view_slot:
+ SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
+
+slot_name|slot_type|active
+---------+---------+------
+(0 rows)
+
+step s1_c: COMMIT;
+
+starting permutation: s1_b s1_xid s2_init s1_c s1_view_slot s1_drop_slot
+step s1_b: BEGIN;
+step s1_xid: SELECT 'xid' FROM txid_current();
+?column?
+--------
+xid
+(1 row)
+
+step s2_init:
+ SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
+ <waiting ...>
+step s1_c: COMMIT;
+step s2_init: <... completed>
+?column?
+--------
+init
+(1 row)
+
+step s1_view_slot:
+ SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
+
+slot_name |slot_type|active
+-------------------+---------+------
+slot_creation_error|logical |f
+(1 row)
+
+step s1_drop_slot:
+ SELECT pg_drop_replication_slot('slot_creation_error');
+
+pg_drop_replication_slot
+------------------------
+
+(1 row)
+
+
+starting permutation: s1_b s1_xid s2_init s1_terminate_s2 s1_c s1_view_slot
+step s1_b: BEGIN;
+step s1_xid: SELECT 'xid' FROM txid_current();
+?column?
+--------
+xid
+(1 row)
+
+step s2_init:
+ SELECT 'init' FROM pg_create_logical_replication_slot('slot_creation_error', 'test_decoding');
+ <waiting ...>
+step s1_terminate_s2:
+ SELECT pg_terminate_backend(pid)
+ FROM pg_stat_activity
+ WHERE application_name = 'isolation/slot_creation_error/s2';
+ <waiting ...>
+step s2_init: <... completed>
+FATAL: terminating connection due to administrator command
+server closed the connection unexpectedly
+ This probably means the server terminated abnormally
+ before or while processing the request.
+
+step s1_terminate_s2: <... completed>
+pg_terminate_backend
+--------------------
+t
+(1 row)
+
+step s1_c: COMMIT;
+step s1_view_slot:
+ SELECT slot_name, slot_type, active FROM pg_replication_slots WHERE slot_name = 'slot_creation_error'
+
+slot_name|slot_type|active
+---------+---------+------
+(0 rows)
+
diff --git a/contrib/test_decoding/expected/snapshot_transfer.out b/contrib/test_decoding/expected/snapshot_transfer.out
new file mode 100644
index 0000000..833f478
--- /dev/null
+++ b/contrib/test_decoding/expected/snapshot_transfer.out
@@ -0,0 +1,61 @@
+Parsed test spec with 2 sessions
+
+starting permutation: s0_begin s0_begin_sub0 s0_log_assignment s0_sub_get_base_snap s1_produce_new_snap s0_insert s0_end_sub0 s0_commit s0_get_changes
+step s0_begin: BEGIN;
+step s0_begin_sub0: SAVEPOINT s0;
+step s0_log_assignment: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s0_sub_get_base_snap: INSERT INTO dummy VALUES (0);
+step s1_produce_new_snap: ALTER TABLE harvest ADD COLUMN mangos int;
+step s0_insert: INSERT INTO harvest VALUES (1, 2, 3);
+step s0_end_sub0: RELEASE SAVEPOINT s0;
+step s0_commit: COMMIT;
+step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------------------------------
+BEGIN
+table public.dummy: INSERT: i[integer]:0
+table public.harvest: INSERT: apples[integer]:1 pears[integer]:2 mangos[integer]:3
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
+
+starting permutation: s0_begin s0_begin_sub0 s0_log_assignment s0_begin_sub1 s0_sub_get_base_snap s1_produce_new_snap s0_insert s0_end_sub1 s0_end_sub0 s0_commit s0_get_changes
+step s0_begin: BEGIN;
+step s0_begin_sub0: SAVEPOINT s0;
+step s0_log_assignment: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s0_begin_sub1: SAVEPOINT s1;
+step s0_sub_get_base_snap: INSERT INTO dummy VALUES (0);
+step s1_produce_new_snap: ALTER TABLE harvest ADD COLUMN mangos int;
+step s0_insert: INSERT INTO harvest VALUES (1, 2, 3);
+step s0_end_sub1: RELEASE SAVEPOINT s1;
+step s0_end_sub0: RELEASE SAVEPOINT s0;
+step s0_commit: COMMIT;
+step s0_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+----------------------------------------------------------------------------------
+BEGIN
+table public.dummy: INSERT: i[integer]:0
+table public.harvest: INSERT: apples[integer]:1 pears[integer]:2 mangos[integer]:3
+COMMIT
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/spill.out b/contrib/test_decoding/expected/spill.out
new file mode 100644
index 0000000..10734bd
--- /dev/null
+++ b/contrib/test_decoding/expected/spill.out
@@ -0,0 +1,256 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE spill_test(data text);
+-- consume DDL
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- spilling main xact
+BEGIN;
+INSERT INTO spill_test SELECT 'serialize-topbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------+-------+---------------------------------------------------------------------+------------------------------------------------------------------------
+ 'serialize-topbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-topbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-topbig--1:5000'
+(1 row)
+
+-- spilling subxact, nothing in main
+BEGIN;
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------+-------+---------------------------------------------------------------------+------------------------------------------------------------------------
+ 'serialize-subbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig--1:5000'
+(1 row)
+
+-- spilling subxact, spilling main xact
+BEGIN;
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topbig--2:'||g.i FROM generate_series(5001, 10000) g(i);
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------------+-------+-------------------------------------------------------------------------------+--------------------------------------------------------------------------------
+ 'serialize-subbig-topbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--1:5000'
+ 'serialize-subbig-topbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--2:10000'
+(2 rows)
+
+-- spilling subxact, non-spilling main xact
+BEGIN;
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topsmall--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topsmall--2:'||g.i FROM generate_series(5001, 5001) g(i);
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-------------------------------+-------+---------------------------------------------------------------------------------+---------------------------------------------------------------------------------
+ 'serialize-subbig-topsmall--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topsmall--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topsmall--1:5000'
+ 'serialize-subbig-topsmall--2 | 1 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topsmall--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topsmall--2:5001'
+(2 rows)
+
+-- not-spilling subxact, spilling main xact
+BEGIN;
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-subbig-topbig--2:'||g.i FROM generate_series(5001, 10000) g(i);
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------------+-------+-------------------------------------------------------------------------------+--------------------------------------------------------------------------------
+ 'serialize-subbig-topbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--1:5000'
+ 'serialize-subbig-topbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-subbig-topbig--2:10000'
+(2 rows)
+
+-- spilling main xact, spilling subxact
+BEGIN;
+INSERT INTO spill_test SELECT 'serialize-topbig-subbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-topbig-subbig--2:'||g.i FROM generate_series(5001, 10000) g(i);
+RELEASE SAVEPOINT s;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------------+-------+-------------------------------------------------------------------------------+--------------------------------------------------------------------------------
+ 'serialize-topbig-subbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-topbig-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-topbig-subbig--1:5000'
+ 'serialize-topbig-subbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-topbig-subbig--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-topbig-subbig--2:10000'
+(2 rows)
+
+-- spilling main xact, not spilling subxact
+BEGIN;
+INSERT INTO spill_test SELECT 'serialize-topbig-subsmall--1:'||g.i FROM generate_series(1, 5000) g(i);
+SAVEPOINT s;
+INSERT INTO spill_test SELECT 'serialize-topbig-subsmall--2:'||g.i FROM generate_series(5001, 5001) g(i);
+RELEASE SAVEPOINT s;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-------------------------------+-------+---------------------------------------------------------------------------------+---------------------------------------------------------------------------------
+ 'serialize-topbig-subsmall--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-topbig-subsmall--1:1' | table public.spill_test: INSERT: data[text]:'serialize-topbig-subsmall--1:5000'
+ 'serialize-topbig-subsmall--2 | 1 | table public.spill_test: INSERT: data[text]:'serialize-topbig-subsmall--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-topbig-subsmall--2:5001'
+(2 rows)
+
+-- spilling subxact, followed by another spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-subbig-subbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s1;
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-subbig-subbig--2:'||g.i FROM generate_series(5001, 10000) g(i);
+RELEASE SAVEPOINT s2;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------------+-------+-------------------------------------------------------------------------------+--------------------------------------------------------------------------------
+ 'serialize-subbig-subbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig-subbig--1:5000'
+ 'serialize-subbig-subbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-subbig--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-subbig-subbig--2:10000'
+(2 rows)
+
+-- spilling subxact, followed by not spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-subbig-subsmall--1:'||g.i FROM generate_series(1, 5000) g(i);
+RELEASE SAVEPOINT s1;
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-subbig-subsmall--2:'||g.i FROM generate_series(5001, 5001) g(i);
+RELEASE SAVEPOINT s2;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4], COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-------------------------------+-------+---------------------------------------------------------------------------------+---------------------------------------------------------------------------------
+ 'serialize-subbig-subsmall--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subbig-subsmall--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subbig-subsmall--1:5000'
+ 'serialize-subbig-subsmall--2 | 1 | table public.spill_test: INSERT: data[text]:'serialize-subbig-subsmall--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-subbig-subsmall--2:5001'
+(2 rows)
+
+-- not spilling subxact, followed by spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-subsmall-subbig--1:'||g.i FROM generate_series(1, 1) g(i);
+RELEASE SAVEPOINT s1;
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-subsmall-subbig--2:'||g.i FROM generate_series(2, 5001) g(i);
+RELEASE SAVEPOINT s2;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-------------------------------+-------+------------------------------------------------------------------------------+---------------------------------------------------------------------------------
+ 'serialize-subsmall-subbig--1 | 1 | table public.spill_test: INSERT: data[text]:'serialize-subsmall-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-subsmall-subbig--1:1'
+ 'serialize-subsmall-subbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-subsmall-subbig--2:2' | table public.spill_test: INSERT: data[text]:'serialize-subsmall-subbig--2:5001'
+(2 rows)
+
+-- spilling subxact, containing another spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbig--2:'||g.i FROM generate_series(5001, 10000) g(i);
+RELEASE SAVEPOINT s2;
+RELEASE SAVEPOINT s1;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+------------------------------------+-------+--------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------
+ 'serialize-nested-subbig-subbig--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbig--1:5000'
+ 'serialize-nested-subbig-subbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbig--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbig--2:10000'
+(2 rows)
+
+-- spilling subxact, containing a not spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subsmall--1:'||g.i FROM generate_series(1, 5000) g(i);
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subsmall--2:'||g.i FROM generate_series(5001, 5001) g(i);
+RELEASE SAVEPOINT s2;
+RELEASE SAVEPOINT s1;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+--------------------------------------+-------+----------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------
+ 'serialize-nested-subbig-subsmall--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subsmall--1:1' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subsmall--1:5000'
+ 'serialize-nested-subbig-subsmall--2 | 1 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subsmall--2:5001' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subsmall--2:5001'
+(2 rows)
+
+-- not spilling subxact, containing a spilling subxact
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-nested-subsmall-subbig--1:'||g.i FROM generate_series(1, 1) g(i);
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-nested-subsmall-subbig--2:'||g.i FROM generate_series(2, 5001) g(i);
+RELEASE SAVEPOINT s2;
+RELEASE SAVEPOINT s1;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+--------------------------------------+-------+-------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------
+ 'serialize-nested-subsmall-subbig--1 | 1 | table public.spill_test: INSERT: data[text]:'serialize-nested-subsmall-subbig--1:1' | table public.spill_test: INSERT: data[text]:'serialize-nested-subsmall-subbig--1:1'
+ 'serialize-nested-subsmall-subbig--2 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subsmall-subbig--2:2' | table public.spill_test: INSERT: data[text]:'serialize-nested-subsmall-subbig--2:5001'
+(2 rows)
+
+-- not spilling subxact, containing a spilling subxact that aborts and one that commits
+BEGIN;
+SAVEPOINT s1;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbigabort--1:'||g.i FROM generate_series(1, 5000) g(i);
+SAVEPOINT s2;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbigabort--2:'||g.i FROM generate_series(5001, 10000) g(i);
+ROLLBACK TO SAVEPOINT s2;
+SAVEPOINT s3;
+INSERT INTO spill_test SELECT 'serialize-nested-subbig-subbigabort-subbig-3:'||g.i FROM generate_series(5001, 10000) g(i);
+RELEASE SAVEPOINT s1;
+COMMIT;
+SELECT (regexp_split_to_array(data, ':'))[4] COLLATE "C", COUNT(*), (array_agg(data))[1], (array_agg(data))[count(*)]
+FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL) WHERE data ~ 'INSERT'
+GROUP BY 1 ORDER BY 1;
+ regexp_split_to_array | count | array_agg | array_agg
+-----------------------------------------------+-------+-------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------
+ 'serialize-nested-subbig-subbigabort--1 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbigabort--1:1' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbigabort--1:5000'
+ 'serialize-nested-subbig-subbigabort-subbig-3 | 5000 | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbigabort-subbig-3:5001' | table public.spill_test: INSERT: data[text]:'serialize-nested-subbig-subbigabort-subbig-3:10000'
+(2 rows)
+
+DROP TABLE spill_test;
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/stats.out b/contrib/test_decoding/expected/stats.out
new file mode 100644
index 0000000..78d3642
--- /dev/null
+++ b/contrib/test_decoding/expected/stats.out
@@ -0,0 +1,149 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM
+ pg_create_logical_replication_slot('regression_slot_stats1', 'test_decoding') s1,
+ pg_create_logical_replication_slot('regression_slot_stats2', 'test_decoding') s2,
+ pg_create_logical_replication_slot('regression_slot_stats3', 'test_decoding') s3;
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE stats_test(data text);
+-- non-spilled xact
+SET logical_decoding_work_mem to '64MB';
+INSERT INTO stats_test values(1);
+SELECT count(*) FROM pg_logical_slot_get_changes('regression_slot_stats1', NULL, NULL, 'skip-empty-xacts', '1');
+ count
+-------
+ 3
+(1 row)
+
+SELECT count(*) FROM pg_logical_slot_get_changes('regression_slot_stats2', NULL, NULL, 'skip-empty-xacts', '1');
+ count
+-------
+ 3
+(1 row)
+
+SELECT count(*) FROM pg_logical_slot_get_changes('regression_slot_stats3', NULL, NULL, 'skip-empty-xacts', '1');
+ count
+-------
+ 3
+(1 row)
+
+SELECT pg_stat_force_next_flush();
+ pg_stat_force_next_flush
+--------------------------
+
+(1 row)
+
+SELECT slot_name, spill_txns = 0 AS spill_txns, spill_count = 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots ORDER BY slot_name;
+ slot_name | spill_txns | spill_count | total_txns | total_bytes
+------------------------+------------+-------------+------------+-------------
+ regression_slot_stats1 | t | t | t | t
+ regression_slot_stats2 | t | t | t | t
+ regression_slot_stats3 | t | t | t | t
+(3 rows)
+
+RESET logical_decoding_work_mem;
+-- reset stats for one slot, others should be unaffected
+SELECT pg_stat_reset_replication_slot('regression_slot_stats1');
+ pg_stat_reset_replication_slot
+--------------------------------
+
+(1 row)
+
+SELECT slot_name, spill_txns = 0 AS spill_txns, spill_count = 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots ORDER BY slot_name;
+ slot_name | spill_txns | spill_count | total_txns | total_bytes
+------------------------+------------+-------------+------------+-------------
+ regression_slot_stats1 | t | t | f | f
+ regression_slot_stats2 | t | t | t | t
+ regression_slot_stats3 | t | t | t | t
+(3 rows)
+
+-- reset stats for all slots
+SELECT pg_stat_reset_replication_slot(NULL);
+ pg_stat_reset_replication_slot
+--------------------------------
+
+(1 row)
+
+SELECT slot_name, spill_txns = 0 AS spill_txns, spill_count = 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots ORDER BY slot_name;
+ slot_name | spill_txns | spill_count | total_txns | total_bytes
+------------------------+------------+-------------+------------+-------------
+ regression_slot_stats1 | t | t | f | f
+ regression_slot_stats2 | t | t | f | f
+ regression_slot_stats3 | t | t | f | f
+(3 rows)
+
+-- verify accessing/resetting stats for non-existent slot does something reasonable
+SELECT * FROM pg_stat_get_replication_slot('do-not-exist');
+ slot_name | spill_txns | spill_count | spill_bytes | stream_txns | stream_count | stream_bytes | total_txns | total_bytes | stats_reset
+--------------+------------+-------------+-------------+-------------+--------------+--------------+------------+-------------+-------------
+ do-not-exist | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
+(1 row)
+
+SELECT pg_stat_reset_replication_slot('do-not-exist');
+ERROR: replication slot "do-not-exist" does not exist
+SELECT * FROM pg_stat_get_replication_slot('do-not-exist');
+ slot_name | spill_txns | spill_count | spill_bytes | stream_txns | stream_count | stream_bytes | total_txns | total_bytes | stats_reset
+--------------+------------+-------------+-------------+-------------+--------------+--------------+------------+-------------+-------------
+ do-not-exist | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
+(1 row)
+
+-- spilling the xact
+BEGIN;
+INSERT INTO stats_test SELECT 'serialize-topbig--1:'||g.i FROM generate_series(1, 5000) g(i);
+COMMIT;
+SELECT count(*) FROM pg_logical_slot_peek_changes('regression_slot_stats1', NULL, NULL, 'skip-empty-xacts', '1');
+ count
+-------
+ 5002
+(1 row)
+
+-- Check stats. We can't test the exact stats count as that can vary if any
+-- background transaction (say by autovacuum) happens in parallel to the main
+-- transaction.
+SELECT pg_stat_force_next_flush();
+ pg_stat_force_next_flush
+--------------------------
+
+(1 row)
+
+SELECT slot_name, spill_txns > 0 AS spill_txns, spill_count > 0 AS spill_count FROM pg_stat_replication_slots;
+ slot_name | spill_txns | spill_count
+------------------------+------------+-------------
+ regression_slot_stats1 | t | t
+ regression_slot_stats2 | f | f
+ regression_slot_stats3 | f | f
+(3 rows)
+
+-- Ensure stats can be repeatedly accessed using the same stats snapshot. See
+-- https://postgr.es/m/20210317230447.c7uc4g3vbs4wi32i%40alap3.anarazel.de
+BEGIN;
+SELECT slot_name FROM pg_stat_replication_slots;
+ slot_name
+------------------------
+ regression_slot_stats1
+ regression_slot_stats2
+ regression_slot_stats3
+(3 rows)
+
+SELECT slot_name FROM pg_stat_replication_slots;
+ slot_name
+------------------------
+ regression_slot_stats1
+ regression_slot_stats2
+ regression_slot_stats3
+(3 rows)
+
+COMMIT;
+DROP TABLE stats_test;
+SELECT pg_drop_replication_slot('regression_slot_stats1'),
+ pg_drop_replication_slot('regression_slot_stats2'),
+ pg_drop_replication_slot('regression_slot_stats3');
+ pg_drop_replication_slot | pg_drop_replication_slot | pg_drop_replication_slot
+--------------------------+--------------------------+--------------------------
+ | |
+(1 row)
+
diff --git a/contrib/test_decoding/expected/stream.out b/contrib/test_decoding/expected/stream.out
new file mode 100644
index 0000000..0f21dcb
--- /dev/null
+++ b/contrib/test_decoding/expected/stream.out
@@ -0,0 +1,115 @@
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE stream_test(data text);
+-- consume DDL
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- streaming test with sub-transaction
+BEGIN;
+savepoint s1;
+SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', repeat('a', 50));
+ ?column?
+----------
+ msg5
+(1 row)
+
+INSERT INTO stream_test SELECT repeat('a', 2000) || g.i FROM generate_series(1, 35) g(i);
+TRUNCATE table stream_test;
+rollback to s1;
+INSERT INTO stream_test SELECT repeat('a', 10) || g.i FROM generate_series(1, 20) g(i);
+COMMIT;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+----------------------------------------------------------
+ streaming message: transactional: 1 prefix: test, sz: 50
+ opening a streamed block for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ closing a streamed block for transaction
+ committing streamed transaction
+(24 rows)
+
+-- streaming test for toast changes
+ALTER TABLE stream_test ALTER COLUMN data set storage external;
+-- consume DDL
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+INSERT INTO stream_test SELECT repeat('a', 6000) || g.i FROM generate_series(1, 10) g(i);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+------------------------------------------
+ opening a streamed block for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ closing a streamed block for transaction
+ committing streamed transaction
+(13 rows)
+
+-- streaming test for toast with multi-insert
+\COPY stream_test FROM STDIN
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+------------------------------------------
+ opening a streamed block for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ closing a streamed block for transaction
+ opening a streamed block for transaction
+ streaming change for transaction
+ closing a streamed block for transaction
+ committing streamed transaction
+(17 rows)
+
+DROP TABLE stream_test;
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/subxact_without_top.out b/contrib/test_decoding/expected/subxact_without_top.out
new file mode 100644
index 0000000..4241b00
--- /dev/null
+++ b/contrib/test_decoding/expected/subxact_without_top.out
@@ -0,0 +1,49 @@
+Parsed test spec with 3 sessions
+
+starting permutation: s0_begin s0_first_subxact s2_checkpoint s1_begin s1_dml s0_many_subxacts s0_commit s2_checkpoint s2_get_changes_suppress_output s2_get_changes_suppress_output s1_commit s2_get_changes
+step s0_begin: BEGIN;
+step s0_first_subxact:
+ DO LANGUAGE plpgsql $$
+ BEGIN
+ BEGIN
+ INSERT INTO harvest VALUES (41);
+ EXCEPTION WHEN OTHERS THEN RAISE;
+ END;
+ END $$;
+
+step s2_checkpoint: CHECKPOINT;
+step s1_begin: BEGIN;
+step s1_dml: INSERT INTO harvest VALUES (43);
+step s0_many_subxacts: select subxacts();
+subxacts
+--------
+
+(1 row)
+
+step s0_commit: COMMIT;
+step s2_checkpoint: CHECKPOINT;
+step s2_get_changes_suppress_output: SELECT null n FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') GROUP BY n;
+n
+-
+
+(1 row)
+
+step s2_get_changes_suppress_output: SELECT null n FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') GROUP BY n;
+n
+-
+(0 rows)
+
+step s1_commit: COMMIT;
+step s2_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+data
+------------------------------------------------
+BEGIN
+table public.harvest: INSERT: apples[integer]:43
+COMMIT
+(3 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/time.out b/contrib/test_decoding/expected/time.out
new file mode 100644
index 0000000..3b06849
--- /dev/null
+++ b/contrib/test_decoding/expected/time.out
@@ -0,0 +1,40 @@
+SET synchronous_commit = on;
+CREATE TABLE test_time(data text);
+-- remember the current time
+SELECT set_config('test.time_before', NOW()::text, false) IS NOT NULL;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+-- a single transaction, to get the commit time
+INSERT INTO test_time(data) VALUES ('');
+-- parse the commit time from the changeset
+SELECT set_config('test.time_after', regexp_replace(data, '^COMMIT \(at (.*)\)$', '\1'), false) IS NOT NULL
+FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-timestamp', '1')
+WHERE data ~ 'COMMIT' LIMIT 1;
+ ?column?
+----------
+ t
+(1 row)
+
+-- ensure commit time is sane in relation to the previous time
+SELECT (time_after - time_before) <= '10 minutes'::interval, time_after >= time_before
+FROM (SELECT current_setting('test.time_after')::timestamptz AS time_after, (SELECT current_setting('test.time_before')::timestamptz) AS time_before) AS d;
+ ?column? | ?column?
+----------+----------
+ t | t
+(1 row)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/toast.out b/contrib/test_decoding/expected/toast.out
new file mode 100644
index 0000000..a757e7d
--- /dev/null
+++ b/contrib/test_decoding/expected/toast.out
@@ -0,0 +1,390 @@
+-- predictability
+SET synchronous_commit = on;
+DROP TABLE IF EXISTS xpto;
+NOTICE: table "xpto" does not exist, skipping
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE SEQUENCE xpto_rand_seq START 79 INCREMENT 1499; -- portable "random"
+CREATE TABLE xpto (
+ id serial primary key,
+ toasted_col1 text,
+ rand1 float8 DEFAULT nextval('xpto_rand_seq'),
+ toasted_col2 text,
+ rand2 float8 DEFAULT nextval('xpto_rand_seq')
+);
+-- uncompressed external toast data
+INSERT INTO xpto (toasted_col1, toasted_col2) SELECT string_agg(g.i::text, ''), string_agg((g.i*2)::text, '') FROM generate_series(1, 2000) g(i);
+-- compressed external toast data
+INSERT INTO xpto (toasted_col2) SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i);
+-- update of existing column
+UPDATE xpto SET toasted_col1 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i)) WHERE id = 1;
+UPDATE xpto SET rand1 = 123.456 WHERE id = 1;
+-- updating external via INSERT ... ON CONFLICT DO UPDATE
+INSERT INTO xpto(id, toasted_col2) VALUES (2, 'toasted2-upsert')
+ON CONFLICT (id)
+DO UPDATE SET toasted_col2 = EXCLUDED.toasted_col2 || xpto.toasted_col2;
+DELETE FROM xpto WHERE id = 1;
+DROP TABLE IF EXISTS toasted_key;
+NOTICE: table "toasted_key" does not exist, skipping
+CREATE TABLE toasted_key (
+ id serial,
+ toasted_key text PRIMARY KEY,
+ toasted_col1 text,
+ toasted_col2 text
+);
+ALTER TABLE toasted_key ALTER COLUMN toasted_key SET STORAGE EXTERNAL;
+ALTER TABLE toasted_key ALTER COLUMN toasted_col1 SET STORAGE EXTERNAL;
+INSERT INTO toasted_key(toasted_key, toasted_col1) VALUES(repeat('1234567890', 200), repeat('9876543210', 200));
+-- test update of a toasted key without changing it
+UPDATE toasted_key SET toasted_col2 = toasted_col1;
+-- test update of a toasted key, changing it
+UPDATE toasted_key SET toasted_key = toasted_key || '1';
+DELETE FROM toasted_key;
+-- Test that HEAP2_MULTI_INSERT insertions with and without toasted
+-- columns are handled correctly
+CREATE TABLE toasted_copy (
+ id int primary key, -- no default, copy didn't use to handle that with multi inserts
+ data text
+);
+ALTER TABLE toasted_copy ALTER COLUMN data SET STORAGE EXTERNAL;
+\copy toasted_copy FROM STDIN
+SELECT substr(data, 1, 200) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ substr
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.xpto: INSERT: id[integer]:1 toasted_col1[text]:'1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374
+ COMMIT
+ BEGIN
+ table public.xpto: INSERT: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 toasted_col2[text]:'00010002000300040005000600070008000900100011001200130014001500160017001800190020002100
+ COMMIT
+ BEGIN
+ table public.xpto: UPDATE: id[integer]:1 toasted_col1[text]:'1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374
+ COMMIT
+ BEGIN
+ table public.xpto: UPDATE: id[integer]:1 toasted_col1[text]:unchanged-toast-datum rand1[double precision]:123.456 toasted_col2[text]:unchanged-toast-datum rand2[double precision]:1578
+ COMMIT
+ BEGIN
+ table public.xpto: UPDATE: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 toasted_col2[text]:'toasted2-upsert00010002000300040005000600070008000900100011001200130014001500160017001
+ COMMIT
+ BEGIN
+ table public.xpto: DELETE: id[integer]:1
+ COMMIT
+ BEGIN
+ table public.toasted_key: INSERT: id[integer]:1 toasted_key[text]:'1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123
+ COMMIT
+ BEGIN
+ table public.toasted_key: UPDATE: old-key: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
+ COMMIT
+ BEGIN
+ table public.toasted_key: UPDATE: old-key: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
+ COMMIT
+ BEGIN
+ table public.toasted_key: DELETE: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567
+ COMMIT
+ BEGIN
+ table public.toasted_copy: INSERT: id[integer]:1 data[text]:'untoasted1'
+ table public.toasted_copy: INSERT: id[integer]:2 data[text]:'toasted1-1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+ table public.toasted_copy: INSERT: id[integer]:3 data[text]:'untoasted2'
+ table public.toasted_copy: INSERT: id[integer]:4 data[text]:'toasted2-1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+ table public.toasted_copy: INSERT: id[integer]:5 data[text]:'untoasted3'
+ table public.toasted_copy: INSERT: id[integer]:6 data[text]:'untoasted4'
+ table public.toasted_copy: INSERT: id[integer]:7 data[text]:'untoasted5'
+ table public.toasted_copy: INSERT: id[integer]:8 data[text]:'untoasted6'
+ table public.toasted_copy: INSERT: id[integer]:9 data[text]:'untoasted7'
+ table public.toasted_copy: INSERT: id[integer]:10 data[text]:'untoasted8'
+ table public.toasted_copy: INSERT: id[integer]:11 data[text]:'untoasted9'
+ table public.toasted_copy: INSERT: id[integer]:12 data[text]:'untoasted10'
+ table public.toasted_copy: INSERT: id[integer]:13 data[text]:'untoasted11'
+ table public.toasted_copy: INSERT: id[integer]:14 data[text]:'untoasted12'
+ table public.toasted_copy: INSERT: id[integer]:15 data[text]:'untoasted13'
+ table public.toasted_copy: INSERT: id[integer]:16 data[text]:'untoasted14'
+ table public.toasted_copy: INSERT: id[integer]:17 data[text]:'untoasted15'
+ table public.toasted_copy: INSERT: id[integer]:18 data[text]:'untoasted16'
+ table public.toasted_copy: INSERT: id[integer]:19 data[text]:'untoasted17'
+ table public.toasted_copy: INSERT: id[integer]:20 data[text]:'untoasted18'
+ table public.toasted_copy: INSERT: id[integer]:21 data[text]:'untoasted19'
+ table public.toasted_copy: INSERT: id[integer]:22 data[text]:'untoasted20'
+ table public.toasted_copy: INSERT: id[integer]:23 data[text]:'untoasted21'
+ table public.toasted_copy: INSERT: id[integer]:24 data[text]:'untoasted22'
+ table public.toasted_copy: INSERT: id[integer]:25 data[text]:'untoasted23'
+ table public.toasted_copy: INSERT: id[integer]:26 data[text]:'untoasted24'
+ table public.toasted_copy: INSERT: id[integer]:27 data[text]:'untoasted25'
+ table public.toasted_copy: INSERT: id[integer]:28 data[text]:'untoasted26'
+ table public.toasted_copy: INSERT: id[integer]:29 data[text]:'untoasted27'
+ table public.toasted_copy: INSERT: id[integer]:30 data[text]:'untoasted28'
+ table public.toasted_copy: INSERT: id[integer]:31 data[text]:'untoasted29'
+ table public.toasted_copy: INSERT: id[integer]:32 data[text]:'untoasted30'
+ table public.toasted_copy: INSERT: id[integer]:33 data[text]:'untoasted31'
+ table public.toasted_copy: INSERT: id[integer]:34 data[text]:'untoasted32'
+ table public.toasted_copy: INSERT: id[integer]:35 data[text]:'untoasted33'
+ table public.toasted_copy: INSERT: id[integer]:36 data[text]:'untoasted34'
+ table public.toasted_copy: INSERT: id[integer]:37 data[text]:'untoasted35'
+ table public.toasted_copy: INSERT: id[integer]:38 data[text]:'untoasted36'
+ table public.toasted_copy: INSERT: id[integer]:39 data[text]:'untoasted37'
+ table public.toasted_copy: INSERT: id[integer]:40 data[text]:'untoasted38'
+ table public.toasted_copy: INSERT: id[integer]:41 data[text]:'untoasted39'
+ table public.toasted_copy: INSERT: id[integer]:42 data[text]:'untoasted40'
+ table public.toasted_copy: INSERT: id[integer]:43 data[text]:'untoasted41'
+ table public.toasted_copy: INSERT: id[integer]:44 data[text]:'untoasted42'
+ table public.toasted_copy: INSERT: id[integer]:45 data[text]:'untoasted43'
+ table public.toasted_copy: INSERT: id[integer]:46 data[text]:'untoasted44'
+ table public.toasted_copy: INSERT: id[integer]:47 data[text]:'untoasted45'
+ table public.toasted_copy: INSERT: id[integer]:48 data[text]:'untoasted46'
+ table public.toasted_copy: INSERT: id[integer]:49 data[text]:'untoasted47'
+ table public.toasted_copy: INSERT: id[integer]:50 data[text]:'untoasted48'
+ table public.toasted_copy: INSERT: id[integer]:51 data[text]:'untoasted49'
+ table public.toasted_copy: INSERT: id[integer]:52 data[text]:'untoasted50'
+ table public.toasted_copy: INSERT: id[integer]:53 data[text]:'untoasted51'
+ table public.toasted_copy: INSERT: id[integer]:54 data[text]:'untoasted52'
+ table public.toasted_copy: INSERT: id[integer]:55 data[text]:'untoasted53'
+ table public.toasted_copy: INSERT: id[integer]:56 data[text]:'untoasted54'
+ table public.toasted_copy: INSERT: id[integer]:57 data[text]:'untoasted55'
+ table public.toasted_copy: INSERT: id[integer]:58 data[text]:'untoasted56'
+ table public.toasted_copy: INSERT: id[integer]:59 data[text]:'untoasted57'
+ table public.toasted_copy: INSERT: id[integer]:60 data[text]:'untoasted58'
+ table public.toasted_copy: INSERT: id[integer]:61 data[text]:'untoasted59'
+ table public.toasted_copy: INSERT: id[integer]:62 data[text]:'untoasted60'
+ table public.toasted_copy: INSERT: id[integer]:63 data[text]:'untoasted61'
+ table public.toasted_copy: INSERT: id[integer]:64 data[text]:'untoasted62'
+ table public.toasted_copy: INSERT: id[integer]:65 data[text]:'untoasted63'
+ table public.toasted_copy: INSERT: id[integer]:66 data[text]:'untoasted64'
+ table public.toasted_copy: INSERT: id[integer]:67 data[text]:'untoasted65'
+ table public.toasted_copy: INSERT: id[integer]:68 data[text]:'untoasted66'
+ table public.toasted_copy: INSERT: id[integer]:69 data[text]:'untoasted67'
+ table public.toasted_copy: INSERT: id[integer]:70 data[text]:'untoasted68'
+ table public.toasted_copy: INSERT: id[integer]:71 data[text]:'untoasted69'
+ table public.toasted_copy: INSERT: id[integer]:72 data[text]:'untoasted70'
+ table public.toasted_copy: INSERT: id[integer]:73 data[text]:'untoasted71'
+ table public.toasted_copy: INSERT: id[integer]:74 data[text]:'untoasted72'
+ table public.toasted_copy: INSERT: id[integer]:75 data[text]:'untoasted73'
+ table public.toasted_copy: INSERT: id[integer]:76 data[text]:'untoasted74'
+ table public.toasted_copy: INSERT: id[integer]:77 data[text]:'untoasted75'
+ table public.toasted_copy: INSERT: id[integer]:78 data[text]:'untoasted76'
+ table public.toasted_copy: INSERT: id[integer]:79 data[text]:'untoasted77'
+ table public.toasted_copy: INSERT: id[integer]:80 data[text]:'untoasted78'
+ table public.toasted_copy: INSERT: id[integer]:81 data[text]:'untoasted79'
+ table public.toasted_copy: INSERT: id[integer]:82 data[text]:'untoasted80'
+ table public.toasted_copy: INSERT: id[integer]:83 data[text]:'untoasted81'
+ table public.toasted_copy: INSERT: id[integer]:84 data[text]:'untoasted82'
+ table public.toasted_copy: INSERT: id[integer]:85 data[text]:'untoasted83'
+ table public.toasted_copy: INSERT: id[integer]:86 data[text]:'untoasted84'
+ table public.toasted_copy: INSERT: id[integer]:87 data[text]:'untoasted85'
+ table public.toasted_copy: INSERT: id[integer]:88 data[text]:'untoasted86'
+ table public.toasted_copy: INSERT: id[integer]:89 data[text]:'untoasted87'
+ table public.toasted_copy: INSERT: id[integer]:90 data[text]:'untoasted88'
+ table public.toasted_copy: INSERT: id[integer]:91 data[text]:'untoasted89'
+ table public.toasted_copy: INSERT: id[integer]:92 data[text]:'untoasted90'
+ table public.toasted_copy: INSERT: id[integer]:93 data[text]:'untoasted91'
+ table public.toasted_copy: INSERT: id[integer]:94 data[text]:'untoasted92'
+ table public.toasted_copy: INSERT: id[integer]:95 data[text]:'untoasted93'
+ table public.toasted_copy: INSERT: id[integer]:96 data[text]:'untoasted94'
+ table public.toasted_copy: INSERT: id[integer]:97 data[text]:'untoasted95'
+ table public.toasted_copy: INSERT: id[integer]:98 data[text]:'untoasted96'
+ table public.toasted_copy: INSERT: id[integer]:99 data[text]:'untoasted97'
+ table public.toasted_copy: INSERT: id[integer]:100 data[text]:'untoasted98'
+ table public.toasted_copy: INSERT: id[integer]:101 data[text]:'untoasted99'
+ table public.toasted_copy: INSERT: id[integer]:102 data[text]:'untoasted100'
+ table public.toasted_copy: INSERT: id[integer]:103 data[text]:'untoasted101'
+ table public.toasted_copy: INSERT: id[integer]:104 data[text]:'untoasted102'
+ table public.toasted_copy: INSERT: id[integer]:105 data[text]:'untoasted103'
+ table public.toasted_copy: INSERT: id[integer]:106 data[text]:'untoasted104'
+ table public.toasted_copy: INSERT: id[integer]:107 data[text]:'untoasted105'
+ table public.toasted_copy: INSERT: id[integer]:108 data[text]:'untoasted106'
+ table public.toasted_copy: INSERT: id[integer]:109 data[text]:'untoasted107'
+ table public.toasted_copy: INSERT: id[integer]:110 data[text]:'untoasted108'
+ table public.toasted_copy: INSERT: id[integer]:111 data[text]:'untoasted109'
+ table public.toasted_copy: INSERT: id[integer]:112 data[text]:'untoasted110'
+ table public.toasted_copy: INSERT: id[integer]:113 data[text]:'untoasted111'
+ table public.toasted_copy: INSERT: id[integer]:114 data[text]:'untoasted112'
+ table public.toasted_copy: INSERT: id[integer]:115 data[text]:'untoasted113'
+ table public.toasted_copy: INSERT: id[integer]:116 data[text]:'untoasted114'
+ table public.toasted_copy: INSERT: id[integer]:117 data[text]:'untoasted115'
+ table public.toasted_copy: INSERT: id[integer]:118 data[text]:'untoasted116'
+ table public.toasted_copy: INSERT: id[integer]:119 data[text]:'untoasted117'
+ table public.toasted_copy: INSERT: id[integer]:120 data[text]:'untoasted118'
+ table public.toasted_copy: INSERT: id[integer]:121 data[text]:'untoasted119'
+ table public.toasted_copy: INSERT: id[integer]:122 data[text]:'untoasted120'
+ table public.toasted_copy: INSERT: id[integer]:123 data[text]:'untoasted121'
+ table public.toasted_copy: INSERT: id[integer]:124 data[text]:'untoasted122'
+ table public.toasted_copy: INSERT: id[integer]:125 data[text]:'untoasted123'
+ table public.toasted_copy: INSERT: id[integer]:126 data[text]:'untoasted124'
+ table public.toasted_copy: INSERT: id[integer]:127 data[text]:'untoasted125'
+ table public.toasted_copy: INSERT: id[integer]:128 data[text]:'untoasted126'
+ table public.toasted_copy: INSERT: id[integer]:129 data[text]:'untoasted127'
+ table public.toasted_copy: INSERT: id[integer]:130 data[text]:'untoasted128'
+ table public.toasted_copy: INSERT: id[integer]:131 data[text]:'untoasted129'
+ table public.toasted_copy: INSERT: id[integer]:132 data[text]:'untoasted130'
+ table public.toasted_copy: INSERT: id[integer]:133 data[text]:'untoasted131'
+ table public.toasted_copy: INSERT: id[integer]:134 data[text]:'untoasted132'
+ table public.toasted_copy: INSERT: id[integer]:135 data[text]:'untoasted133'
+ table public.toasted_copy: INSERT: id[integer]:136 data[text]:'untoasted134'
+ table public.toasted_copy: INSERT: id[integer]:137 data[text]:'untoasted135'
+ table public.toasted_copy: INSERT: id[integer]:138 data[text]:'untoasted136'
+ table public.toasted_copy: INSERT: id[integer]:139 data[text]:'untoasted137'
+ table public.toasted_copy: INSERT: id[integer]:140 data[text]:'untoasted138'
+ table public.toasted_copy: INSERT: id[integer]:141 data[text]:'untoasted139'
+ table public.toasted_copy: INSERT: id[integer]:142 data[text]:'untoasted140'
+ table public.toasted_copy: INSERT: id[integer]:143 data[text]:'untoasted141'
+ table public.toasted_copy: INSERT: id[integer]:144 data[text]:'untoasted142'
+ table public.toasted_copy: INSERT: id[integer]:145 data[text]:'untoasted143'
+ table public.toasted_copy: INSERT: id[integer]:146 data[text]:'untoasted144'
+ table public.toasted_copy: INSERT: id[integer]:147 data[text]:'untoasted145'
+ table public.toasted_copy: INSERT: id[integer]:148 data[text]:'untoasted146'
+ table public.toasted_copy: INSERT: id[integer]:149 data[text]:'untoasted147'
+ table public.toasted_copy: INSERT: id[integer]:150 data[text]:'untoasted148'
+ table public.toasted_copy: INSERT: id[integer]:151 data[text]:'untoasted149'
+ table public.toasted_copy: INSERT: id[integer]:152 data[text]:'untoasted150'
+ table public.toasted_copy: INSERT: id[integer]:153 data[text]:'untoasted151'
+ table public.toasted_copy: INSERT: id[integer]:154 data[text]:'untoasted152'
+ table public.toasted_copy: INSERT: id[integer]:155 data[text]:'untoasted153'
+ table public.toasted_copy: INSERT: id[integer]:156 data[text]:'untoasted154'
+ table public.toasted_copy: INSERT: id[integer]:157 data[text]:'untoasted155'
+ table public.toasted_copy: INSERT: id[integer]:158 data[text]:'untoasted156'
+ table public.toasted_copy: INSERT: id[integer]:159 data[text]:'untoasted157'
+ table public.toasted_copy: INSERT: id[integer]:160 data[text]:'untoasted158'
+ table public.toasted_copy: INSERT: id[integer]:161 data[text]:'untoasted159'
+ table public.toasted_copy: INSERT: id[integer]:162 data[text]:'untoasted160'
+ table public.toasted_copy: INSERT: id[integer]:163 data[text]:'untoasted161'
+ table public.toasted_copy: INSERT: id[integer]:164 data[text]:'untoasted162'
+ table public.toasted_copy: INSERT: id[integer]:165 data[text]:'untoasted163'
+ table public.toasted_copy: INSERT: id[integer]:166 data[text]:'untoasted164'
+ table public.toasted_copy: INSERT: id[integer]:167 data[text]:'untoasted165'
+ table public.toasted_copy: INSERT: id[integer]:168 data[text]:'untoasted166'
+ table public.toasted_copy: INSERT: id[integer]:169 data[text]:'untoasted167'
+ table public.toasted_copy: INSERT: id[integer]:170 data[text]:'untoasted168'
+ table public.toasted_copy: INSERT: id[integer]:171 data[text]:'untoasted169'
+ table public.toasted_copy: INSERT: id[integer]:172 data[text]:'untoasted170'
+ table public.toasted_copy: INSERT: id[integer]:173 data[text]:'untoasted171'
+ table public.toasted_copy: INSERT: id[integer]:174 data[text]:'untoasted172'
+ table public.toasted_copy: INSERT: id[integer]:175 data[text]:'untoasted173'
+ table public.toasted_copy: INSERT: id[integer]:176 data[text]:'untoasted174'
+ table public.toasted_copy: INSERT: id[integer]:177 data[text]:'untoasted175'
+ table public.toasted_copy: INSERT: id[integer]:178 data[text]:'untoasted176'
+ table public.toasted_copy: INSERT: id[integer]:179 data[text]:'untoasted177'
+ table public.toasted_copy: INSERT: id[integer]:180 data[text]:'untoasted178'
+ table public.toasted_copy: INSERT: id[integer]:181 data[text]:'untoasted179'
+ table public.toasted_copy: INSERT: id[integer]:182 data[text]:'untoasted180'
+ table public.toasted_copy: INSERT: id[integer]:183 data[text]:'untoasted181'
+ table public.toasted_copy: INSERT: id[integer]:184 data[text]:'untoasted182'
+ table public.toasted_copy: INSERT: id[integer]:185 data[text]:'untoasted183'
+ table public.toasted_copy: INSERT: id[integer]:186 data[text]:'untoasted184'
+ table public.toasted_copy: INSERT: id[integer]:187 data[text]:'untoasted185'
+ table public.toasted_copy: INSERT: id[integer]:188 data[text]:'untoasted186'
+ table public.toasted_copy: INSERT: id[integer]:189 data[text]:'untoasted187'
+ table public.toasted_copy: INSERT: id[integer]:190 data[text]:'untoasted188'
+ table public.toasted_copy: INSERT: id[integer]:191 data[text]:'untoasted189'
+ table public.toasted_copy: INSERT: id[integer]:192 data[text]:'untoasted190'
+ table public.toasted_copy: INSERT: id[integer]:193 data[text]:'untoasted191'
+ table public.toasted_copy: INSERT: id[integer]:194 data[text]:'untoasted192'
+ table public.toasted_copy: INSERT: id[integer]:195 data[text]:'untoasted193'
+ table public.toasted_copy: INSERT: id[integer]:196 data[text]:'untoasted194'
+ table public.toasted_copy: INSERT: id[integer]:197 data[text]:'untoasted195'
+ table public.toasted_copy: INSERT: id[integer]:198 data[text]:'untoasted196'
+ table public.toasted_copy: INSERT: id[integer]:199 data[text]:'untoasted197'
+ table public.toasted_copy: INSERT: id[integer]:200 data[text]:'untoasted198'
+ table public.toasted_copy: INSERT: id[integer]:201 data[text]:'toasted3-12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
+ table public.toasted_copy: INSERT: id[integer]:202 data[text]:'untoasted199'
+ table public.toasted_copy: INSERT: id[integer]:203 data[text]:'untoasted200'
+ COMMIT
+(235 rows)
+
+-- test we can decode "old" tuples bigger than the max heap tuple size correctly
+DROP TABLE IF EXISTS toasted_several;
+NOTICE: table "toasted_several" does not exist, skipping
+CREATE TABLE toasted_several (
+ id serial unique not null,
+ toasted_key text primary key,
+ toasted_col1 text,
+ toasted_col2 text
+);
+ALTER TABLE toasted_several REPLICA IDENTITY FULL;
+ALTER TABLE toasted_several ALTER COLUMN toasted_key SET STORAGE EXTERNAL;
+ALTER TABLE toasted_several ALTER COLUMN toasted_col1 SET STORAGE EXTERNAL;
+ALTER TABLE toasted_several ALTER COLUMN toasted_col2 SET STORAGE EXTERNAL;
+-- Change the storage of the index back to EXTENDED, separately from
+-- the table. This is currently not doable via DDL, but it is
+-- supported internally.
+UPDATE pg_attribute SET attstorage = 'x' WHERE attrelid = 'toasted_several_pkey'::regclass AND attname = 'toasted_key';
+INSERT INTO toasted_several(toasted_key) VALUES(repeat('9876543210', 10000));
+SELECT pg_column_size(toasted_key) > 2^16 FROM toasted_several;
+ ?column?
+----------
+ t
+(1 row)
+
+SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ regexp_replace
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.toasted_several: INSERT: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..098765432109876543210987654321098765432109876543210' toasted_col1[text]:null toasted_col2[text]:null
+ COMMIT
+(3 rows)
+
+-- test update of a toasted key without changing it
+UPDATE toasted_several SET toasted_col1 = toasted_key;
+UPDATE toasted_several SET toasted_col2 = toasted_col1;
+SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ regexp_replace
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.toasted_several: INSERT: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..098765432109876543210987654321098765432109876543210' toasted_col1[text]:null toasted_col2[text]:null
+ COMMIT
+ BEGIN
+ table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..432109876543210987654321098765432109876543210987654321098765432109876543210' toasted_col2[text]:null
+ COMMIT
+ BEGIN
+ table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..876543210987654321098765432109876543210987654321098765432109876543210987654321098765432109876543210'
+ COMMIT
+(9 rows)
+
+/*
+ * update with large tuplebuf, in a transaction large enough to force to spool to disk
+ */
+BEGIN;
+INSERT INTO toasted_several(toasted_key) SELECT * FROM generate_series(1, 10234);
+UPDATE toasted_several SET toasted_col1 = toasted_col2 WHERE id = 1;
+DELETE FROM toasted_several WHERE id = 1;
+COMMIT;
+DROP TABLE toasted_several;
+SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
+WHERE data NOT LIKE '%INSERT: %';
+ regexp_replace
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..7654321098765432109876543210987654321098765432109876543210' toasted_col2[text]:unchanged-toast-datum
+ table public.toasted_several: DELETE: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..876543210987654321098765432109876543210987654321098765432109876543210987654321098765432109876543210'
+ COMMIT
+(4 rows)
+
+/*
+ * Test decoding relation rewrite with toast. The insert into tbl2 within the
+ * same transaction is there to check that there is no remaining toast_hash not
+ * being reset.
+ */
+CREATE TABLE tbl1 (a INT, b TEXT);
+CREATE TABLE tbl2 (a INT);
+ALTER TABLE tbl1 ALTER COLUMN b SET STORAGE EXTERNAL;
+BEGIN;
+INSERT INTO tbl1 VALUES(1, repeat('a', 4000)) ;
+ALTER TABLE tbl1 ADD COLUMN id serial primary key;
+INSERT INTO tbl2 VALUES(1);
+commit;
+SELECT substr(data, 1, 200) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ substr
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ BEGIN
+ table public.tbl1: INSERT: a[integer]:1 b[text]:'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ table public.tbl2: INSERT: a[integer]:1
+ COMMIT
+(4 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/truncate.out b/contrib/test_decoding/expected/truncate.out
new file mode 100644
index 0000000..e64d377
--- /dev/null
+++ b/contrib/test_decoding/expected/truncate.out
@@ -0,0 +1,33 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE tab1 (id serial unique, data int);
+CREATE TABLE tab2 (a int primary key, b int);
+TRUNCATE tab1;
+TRUNCATE tab1, tab1 RESTART IDENTITY CASCADE;
+TRUNCATE tab1, tab2;
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------------------------------------------------------
+ BEGIN
+ table public.tab1: TRUNCATE: (no-flags)
+ COMMIT
+ BEGIN
+ table public.tab1: TRUNCATE: restart_seqs cascade
+ COMMIT
+ BEGIN
+ table public.tab1, public.tab2: TRUNCATE: (no-flags)
+ COMMIT
+(9 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/twophase.out b/contrib/test_decoding/expected/twophase.out
new file mode 100644
index 0000000..e89dc74
--- /dev/null
+++ b/contrib/test_decoding/expected/twophase.out
@@ -0,0 +1,223 @@
+-- Test prepared transactions. When two-phase-commit is enabled, transactions are
+-- decoded at PREPARE time rather than at COMMIT PREPARED time.
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding', false, true);
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE test_prepared1(id integer primary key);
+CREATE TABLE test_prepared2(id integer primary key);
+-- Test that decoding happens at PREPARE time when two-phase-commit is enabled.
+-- Decoding after COMMIT PREPARED must have all the commands in the transaction.
+BEGIN;
+INSERT INTO test_prepared1 VALUES (1);
+INSERT INTO test_prepared1 VALUES (2);
+-- should show nothing because the xact has not been prepared yet.
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+PREPARE TRANSACTION 'test_prepared#1';
+-- should show both the above inserts and the PREPARE TRANSACTION.
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:1
+ table public.test_prepared1: INSERT: id[integer]:2
+ PREPARE TRANSACTION 'test_prepared#1'
+(4 rows)
+
+COMMIT PREPARED 'test_prepared#1';
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------
+ COMMIT PREPARED 'test_prepared#1'
+(1 row)
+
+-- Test that rollback of a prepared xact is decoded.
+BEGIN;
+INSERT INTO test_prepared1 VALUES (3);
+PREPARE TRANSACTION 'test_prepared#2';
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:3
+ PREPARE TRANSACTION 'test_prepared#2'
+(3 rows)
+
+ROLLBACK PREPARED 'test_prepared#2';
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-------------------------------------
+ ROLLBACK PREPARED 'test_prepared#2'
+(1 row)
+
+-- Test prepare of a xact containing ddl. Leaving xact uncommitted for next test.
+BEGIN;
+ALTER TABLE test_prepared1 ADD COLUMN data text;
+INSERT INTO test_prepared1 VALUES (4, 'frakbar');
+PREPARE TRANSACTION 'test_prepared#3';
+-- confirm that exclusive lock from the ALTER command is held on test_prepared1 table
+SELECT 'test_prepared_1' AS relation, locktype, mode
+FROM pg_locks
+WHERE locktype = 'relation'
+ AND relation = 'test_prepared1'::regclass;
+ relation | locktype | mode
+-----------------+----------+---------------------
+ test_prepared_1 | relation | RowExclusiveLock
+ test_prepared_1 | relation | AccessExclusiveLock
+(2 rows)
+
+-- The insert should show the newly altered column but not the DDL.
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-------------------------------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:4 data[text]:'frakbar'
+ PREPARE TRANSACTION 'test_prepared#3'
+(3 rows)
+
+-- Test that we decode correctly while an uncommitted prepared xact
+-- with ddl exists.
+--
+-- Use a separate table for the concurrent transaction because the lock from
+-- the ALTER will stop us inserting into the other one.
+--
+INSERT INTO test_prepared2 VALUES (5);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+----------------------------------------------------
+ BEGIN
+ table public.test_prepared2: INSERT: id[integer]:5
+ COMMIT
+(3 rows)
+
+COMMIT PREPARED 'test_prepared#3';
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-----------------------------------
+ COMMIT PREPARED 'test_prepared#3'
+(1 row)
+
+-- make sure stuff still works
+INSERT INTO test_prepared1 VALUES (6);
+INSERT INTO test_prepared2 VALUES (7);
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:6 data[text]:null
+ COMMIT
+ BEGIN
+ table public.test_prepared2: INSERT: id[integer]:7
+ COMMIT
+(6 rows)
+
+-- Check 'CLUSTER' (as operation that hold exclusive lock) doesn't block
+-- logical decoding.
+BEGIN;
+INSERT INTO test_prepared1 VALUES (8, 'othercol');
+CLUSTER test_prepared1 USING test_prepared1_pkey;
+INSERT INTO test_prepared1 VALUES (9, 'othercol2');
+PREPARE TRANSACTION 'test_prepared_lock';
+SELECT 'test_prepared1' AS relation, locktype, mode
+FROM pg_locks
+WHERE locktype = 'relation'
+ AND relation = 'test_prepared1'::regclass;
+ relation | locktype | mode
+----------------+----------+---------------------
+ test_prepared1 | relation | RowExclusiveLock
+ test_prepared1 | relation | ShareLock
+ test_prepared1 | relation | AccessExclusiveLock
+(3 rows)
+
+-- The above CLUSTER command shouldn't cause a timeout on 2pc decoding.
+\set env_timeout ''
+\getenv env_timeout PG_TEST_TIMEOUT_DEFAULT
+SELECT COALESCE(NULLIF(:'env_timeout', ''), '180') || 's' AS timeout \gset
+SET statement_timeout = :'timeout';
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:8 data[text]:'othercol'
+ table public.test_prepared1: INSERT: id[integer]:9 data[text]:'othercol2'
+ PREPARE TRANSACTION 'test_prepared_lock'
+(4 rows)
+
+RESET statement_timeout;
+COMMIT PREPARED 'test_prepared_lock';
+-- consume the commit
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+--------------------------------------
+ COMMIT PREPARED 'test_prepared_lock'
+(1 row)
+
+-- Test savepoints and sub-xacts. Creating savepoints will create
+-- sub-xacts implicitly.
+BEGIN;
+CREATE TABLE test_prepared_savepoint (a int);
+INSERT INTO test_prepared_savepoint VALUES (1);
+SAVEPOINT test_savepoint;
+INSERT INTO test_prepared_savepoint VALUES (2);
+ROLLBACK TO SAVEPOINT test_savepoint;
+PREPARE TRANSACTION 'test_prepared_savepoint';
+-- should show only 1, not 2
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------------------------------------------------------------
+ BEGIN
+ table public.test_prepared_savepoint: INSERT: a[integer]:1
+ PREPARE TRANSACTION 'test_prepared_savepoint'
+(3 rows)
+
+COMMIT PREPARED 'test_prepared_savepoint';
+-- consume the commit
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-------------------------------------------
+ COMMIT PREPARED 'test_prepared_savepoint'
+(1 row)
+
+-- Test that a GID containing "_nodecode" gets decoded at commit prepared time.
+BEGIN;
+INSERT INTO test_prepared1 VALUES (20);
+PREPARE TRANSACTION 'test_prepared_nodecode';
+-- should show nothing
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+COMMIT PREPARED 'test_prepared_nodecode';
+-- should be decoded now
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------------
+ BEGIN
+ table public.test_prepared1: INSERT: id[integer]:20 data[text]:null
+ COMMIT
+(3 rows)
+
+-- Test 8:
+-- cleanup and make sure results are also empty
+DROP TABLE test_prepared1;
+DROP TABLE test_prepared2;
+-- show results. There should be nothing to show
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/twophase_snapshot.out b/contrib/test_decoding/expected/twophase_snapshot.out
new file mode 100644
index 0000000..f555ffd
--- /dev/null
+++ b/contrib/test_decoding/expected/twophase_snapshot.out
@@ -0,0 +1,53 @@
+Parsed test spec with 3 sessions
+
+starting permutation: s2b s2txid s1init s3b s3txid s2c s2b s2insert s2p s3c s1insert s1start s2cp s1start
+step s2b: BEGIN;
+step s2txid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s1init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding', false, true); <waiting ...>
+step s3b: BEGIN;
+step s3txid: SELECT pg_current_xact_id() IS NULL;
+?column?
+--------
+f
+(1 row)
+
+step s2c: COMMIT;
+step s2b: BEGIN;
+step s2insert: INSERT INTO do_write DEFAULT VALUES;
+step s2p: PREPARE TRANSACTION 'test1';
+step s3c: COMMIT;
+step s1init: <... completed>
+?column?
+--------
+init
+(1 row)
+
+step s1insert: INSERT INTO do_write DEFAULT VALUES;
+step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'skip-empty-xacts', '1');
+data
+--------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:2
+COMMIT
+(3 rows)
+
+step s2cp: COMMIT PREPARED 'test1';
+step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'skip-empty-xacts', '1');
+data
+--------------------------------------------
+BEGIN
+table public.do_write: INSERT: id[integer]:1
+PREPARE TRANSACTION 'test1'
+COMMIT PREPARED 'test1'
+(4 rows)
+
+?column?
+--------
+stop
+(1 row)
+
diff --git a/contrib/test_decoding/expected/twophase_stream.out b/contrib/test_decoding/expected/twophase_stream.out
new file mode 100644
index 0000000..b08bb0e
--- /dev/null
+++ b/contrib/test_decoding/expected/twophase_stream.out
@@ -0,0 +1,125 @@
+-- Test streaming of two-phase commits
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding', false, true);
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE stream_test(data text);
+-- consume DDL
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+------
+(0 rows)
+
+-- streaming test with sub-transaction and PREPARE/COMMIT PREPARED
+BEGIN;
+SAVEPOINT s1;
+SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', repeat('a', 50));
+ ?column?
+----------
+ msg5
+(1 row)
+
+INSERT INTO stream_test SELECT repeat('a', 2000) || g.i FROM generate_series(1, 35) g(i);
+TRUNCATE table stream_test;
+ROLLBACK TO s1;
+INSERT INTO stream_test SELECT repeat('a', 10) || g.i FROM generate_series(1, 20) g(i);
+PREPARE TRANSACTION 'test1';
+-- should show the inserts after a ROLLBACK
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+----------------------------------------------------------
+ streaming message: transactional: 1 prefix: test, sz: 50
+ opening a streamed block for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ streaming change for transaction
+ closing a streamed block for transaction
+ preparing streamed transaction 'test1'
+(24 rows)
+
+COMMIT PREPARED 'test1';
+--should show the COMMIT PREPARED and the other changes in the transaction
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+-------------------------
+ COMMIT PREPARED 'test1'
+(1 row)
+
+-- streaming test with sub-transaction and PREPARE/COMMIT PREPARED but with
+-- filtered gid. gids with '_nodecode' will not be decoded at prepare time.
+BEGIN;
+SAVEPOINT s1;
+SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', repeat('a', 50));
+ ?column?
+----------
+ msg5
+(1 row)
+
+INSERT INTO stream_test SELECT repeat('a', 2000) || g.i FROM generate_series(1, 35) g(i);
+TRUNCATE table stream_test;
+ROLLBACK to s1;
+INSERT INTO stream_test SELECT repeat('a', 10) || g.i FROM generate_series(1, 20) g(i);
+PREPARE TRANSACTION 'test1_nodecode';
+-- should NOT show inserts after a ROLLBACK
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+----------------------------------------------------------
+ streaming message: transactional: 1 prefix: test, sz: 50
+(1 row)
+
+COMMIT PREPARED 'test1_nodecode';
+-- should show the inserts but not show a COMMIT PREPARED but a COMMIT
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
+ data
+-------------------------------------------------------------
+ BEGIN
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa1'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa2'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa3'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa4'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa5'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa6'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa7'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa8'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa9'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa10'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa11'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa12'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa13'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa14'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa15'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa16'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa17'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa18'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa19'
+ table public.stream_test: INSERT: data[text]:'aaaaaaaaaa20'
+ COMMIT
+(22 rows)
+
+DROP TABLE stream_test;
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+
diff --git a/contrib/test_decoding/expected/xact.out b/contrib/test_decoding/expected/xact.out
new file mode 100644
index 0000000..ec47450
--- /dev/null
+++ b/contrib/test_decoding/expected/xact.out
@@ -0,0 +1,64 @@
+-- predictability
+SET synchronous_commit = on;
+SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
+ ?column?
+----------
+ init
+(1 row)
+
+CREATE TABLE xact_test(data text);
+INSERT INTO xact_test VALUES ('before-test');
+-- bug #13844, xids in non-decoded records need to be inspected
+BEGIN;
+-- perform operation in xact that creates and logs xid, but isn't decoded
+SELECT * FROM xact_test FOR UPDATE;
+ data
+-------------
+ before-test
+(1 row)
+
+SAVEPOINT foo;
+-- and now actually insert in subxact, xid is expected to be known
+INSERT INTO xact_test VALUES ('after-assignment');
+COMMIT;
+-- and now show those changes
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+---------------------------------------------------------------
+ BEGIN
+ table public.xact_test: INSERT: data[text]:'before-test'
+ COMMIT
+ BEGIN
+ table public.xact_test: INSERT: data[text]:'after-assignment'
+ COMMIT
+(6 rows)
+
+-- bug #14279, do not propagate null snapshot from subtransaction
+BEGIN;
+-- first insert
+INSERT INTO xact_test VALUES ('main-txn');
+SAVEPOINT foo;
+-- now perform operation in subxact that creates and logs xid, but isn't decoded
+SELECT 1 FROM xact_test FOR UPDATE LIMIT 1;
+ ?column?
+----------
+ 1
+(1 row)
+
+COMMIT;
+-- and now show those changes
+SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
+ data
+-------------------------------------------------------
+ BEGIN
+ table public.xact_test: INSERT: data[text]:'main-txn'
+ COMMIT
+(3 rows)
+
+DROP TABLE xact_test;
+SELECT pg_drop_replication_slot('regression_slot');
+ pg_drop_replication_slot
+--------------------------
+
+(1 row)
+