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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /src/test/regress/expected/truncate.out | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/regress/expected/truncate.out')
-rw-r--r-- | src/test/regress/expected/truncate.out | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/src/test/regress/expected/truncate.out b/src/test/regress/expected/truncate.out new file mode 100644 index 0000000..1e88e86 --- /dev/null +++ b/src/test/regress/expected/truncate.out @@ -0,0 +1,594 @@ +-- Test basic TRUNCATE functionality. +CREATE TABLE truncate_a (col1 integer primary key); +INSERT INTO truncate_a VALUES (1); +INSERT INTO truncate_a VALUES (2); +SELECT * FROM truncate_a; + col1 +------ + 1 + 2 +(2 rows) + +-- Roll truncate back +BEGIN; +TRUNCATE truncate_a; +ROLLBACK; +SELECT * FROM truncate_a; + col1 +------ + 1 + 2 +(2 rows) + +-- Commit the truncate this time +BEGIN; +TRUNCATE truncate_a; +COMMIT; +SELECT * FROM truncate_a; + col1 +------ +(0 rows) + +-- Test foreign-key checks +CREATE TABLE trunc_b (a int REFERENCES truncate_a); +CREATE TABLE trunc_c (a serial PRIMARY KEY); +CREATE TABLE trunc_d (a int REFERENCES trunc_c); +CREATE TABLE trunc_e (a int REFERENCES truncate_a, b int REFERENCES trunc_c); +TRUNCATE TABLE truncate_a; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_b" references "truncate_a". +HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE truncate_a,trunc_b; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_e" references "truncate_a". +HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE truncate_a,trunc_b,trunc_e; -- ok +TRUNCATE TABLE truncate_a,trunc_e; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_b" references "truncate_a". +HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_d" references "trunc_c". +HINT: Truncate table "trunc_d" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,trunc_d; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_e" references "trunc_c". +HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,trunc_d,trunc_e; -- ok +TRUNCATE TABLE trunc_c,trunc_d,trunc_e,truncate_a; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_b" references "truncate_a". +HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,trunc_d,trunc_e,truncate_a,trunc_b; -- ok +TRUNCATE TABLE truncate_a RESTRICT; -- fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_b" references "truncate_a". +HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE truncate_a CASCADE; -- ok +NOTICE: truncate cascades to table "trunc_b" +NOTICE: truncate cascades to table "trunc_e" +-- circular references +ALTER TABLE truncate_a ADD FOREIGN KEY (col1) REFERENCES trunc_c; +-- Add some data to verify that truncating actually works ... +INSERT INTO trunc_c VALUES (1); +INSERT INTO truncate_a VALUES (1); +INSERT INTO trunc_b VALUES (1); +INSERT INTO trunc_d VALUES (1); +INSERT INTO trunc_e VALUES (1,1); +TRUNCATE TABLE trunc_c; +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "truncate_a" references "trunc_c". +HINT: Truncate table "truncate_a" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,truncate_a; +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_d" references "trunc_c". +HINT: Truncate table "trunc_d" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,truncate_a,trunc_d; +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_e" references "trunc_c". +HINT: Truncate table "trunc_e" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,truncate_a,trunc_d,trunc_e; +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "trunc_b" references "truncate_a". +HINT: Truncate table "trunc_b" at the same time, or use TRUNCATE ... CASCADE. +TRUNCATE TABLE trunc_c,truncate_a,trunc_d,trunc_e,trunc_b; +-- Verify that truncating did actually work +SELECT * FROM truncate_a + UNION ALL + SELECT * FROM trunc_c + UNION ALL + SELECT * FROM trunc_b + UNION ALL + SELECT * FROM trunc_d; + col1 +------ +(0 rows) + +SELECT * FROM trunc_e; + a | b +---+--- +(0 rows) + +-- Add data again to test TRUNCATE ... CASCADE +INSERT INTO trunc_c VALUES (1); +INSERT INTO truncate_a VALUES (1); +INSERT INTO trunc_b VALUES (1); +INSERT INTO trunc_d VALUES (1); +INSERT INTO trunc_e VALUES (1,1); +TRUNCATE TABLE trunc_c CASCADE; -- ok +NOTICE: truncate cascades to table "truncate_a" +NOTICE: truncate cascades to table "trunc_d" +NOTICE: truncate cascades to table "trunc_e" +NOTICE: truncate cascades to table "trunc_b" +SELECT * FROM truncate_a + UNION ALL + SELECT * FROM trunc_c + UNION ALL + SELECT * FROM trunc_b + UNION ALL + SELECT * FROM trunc_d; + col1 +------ +(0 rows) + +SELECT * FROM trunc_e; + a | b +---+--- +(0 rows) + +DROP TABLE truncate_a,trunc_c,trunc_b,trunc_d,trunc_e CASCADE; +-- Test TRUNCATE with inheritance +CREATE TABLE trunc_f (col1 integer primary key); +INSERT INTO trunc_f VALUES (1); +INSERT INTO trunc_f VALUES (2); +CREATE TABLE trunc_fa (col2a text) INHERITS (trunc_f); +INSERT INTO trunc_fa VALUES (3, 'three'); +CREATE TABLE trunc_fb (col2b int) INHERITS (trunc_f); +INSERT INTO trunc_fb VALUES (4, 444); +CREATE TABLE trunc_faa (col3 text) INHERITS (trunc_fa); +INSERT INTO trunc_faa VALUES (5, 'five', 'FIVE'); +BEGIN; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 + 3 + 4 + 5 +(5 rows) + +TRUNCATE trunc_f; +SELECT * FROM trunc_f; + col1 +------ +(0 rows) + +ROLLBACK; +BEGIN; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 + 3 + 4 + 5 +(5 rows) + +TRUNCATE ONLY trunc_f; +SELECT * FROM trunc_f; + col1 +------ + 3 + 4 + 5 +(3 rows) + +ROLLBACK; +BEGIN; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 + 3 + 4 + 5 +(5 rows) + +SELECT * FROM trunc_fa; + col1 | col2a +------+------- + 3 | three + 5 | five +(2 rows) + +SELECT * FROM trunc_faa; + col1 | col2a | col3 +------+-------+------ + 5 | five | FIVE +(1 row) + +TRUNCATE ONLY trunc_fb, ONLY trunc_fa; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 + 5 +(3 rows) + +SELECT * FROM trunc_fa; + col1 | col2a +------+------- + 5 | five +(1 row) + +SELECT * FROM trunc_faa; + col1 | col2a | col3 +------+-------+------ + 5 | five | FIVE +(1 row) + +ROLLBACK; +BEGIN; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 + 3 + 4 + 5 +(5 rows) + +SELECT * FROM trunc_fa; + col1 | col2a +------+------- + 3 | three + 5 | five +(2 rows) + +SELECT * FROM trunc_faa; + col1 | col2a | col3 +------+-------+------ + 5 | five | FIVE +(1 row) + +TRUNCATE ONLY trunc_fb, trunc_fa; +SELECT * FROM trunc_f; + col1 +------ + 1 + 2 +(2 rows) + +SELECT * FROM trunc_fa; + col1 | col2a +------+------- +(0 rows) + +SELECT * FROM trunc_faa; + col1 | col2a | col3 +------+-------+------ +(0 rows) + +ROLLBACK; +DROP TABLE trunc_f CASCADE; +NOTICE: drop cascades to 3 other objects +DETAIL: drop cascades to table trunc_fa +drop cascades to table trunc_faa +drop cascades to table trunc_fb +-- Test ON TRUNCATE triggers +CREATE TABLE trunc_trigger_test (f1 int, f2 text, f3 text); +CREATE TABLE trunc_trigger_log (tgop text, tglevel text, tgwhen text, + tgargv text, tgtable name, rowcount bigint); +CREATE FUNCTION trunctrigger() RETURNS trigger as $$ +declare c bigint; +begin + execute 'select count(*) from ' || quote_ident(tg_table_name) into c; + insert into trunc_trigger_log values + (TG_OP, TG_LEVEL, TG_WHEN, TG_ARGV[0], tg_table_name, c); + return null; +end; +$$ LANGUAGE plpgsql; +-- basic before trigger +INSERT INTO trunc_trigger_test VALUES(1, 'foo', 'bar'), (2, 'baz', 'quux'); +CREATE TRIGGER t +BEFORE TRUNCATE ON trunc_trigger_test +FOR EACH STATEMENT +EXECUTE PROCEDURE trunctrigger('before trigger truncate'); +SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; + Row count in test table +------------------------- + 2 +(1 row) + +SELECT * FROM trunc_trigger_log; + tgop | tglevel | tgwhen | tgargv | tgtable | rowcount +------+---------+--------+--------+---------+---------- +(0 rows) + +TRUNCATE trunc_trigger_test; +SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; + Row count in test table +------------------------- + 0 +(1 row) + +SELECT * FROM trunc_trigger_log; + tgop | tglevel | tgwhen | tgargv | tgtable | rowcount +----------+-----------+--------+-------------------------+--------------------+---------- + TRUNCATE | STATEMENT | BEFORE | before trigger truncate | trunc_trigger_test | 2 +(1 row) + +DROP TRIGGER t ON trunc_trigger_test; +truncate trunc_trigger_log; +-- same test with an after trigger +INSERT INTO trunc_trigger_test VALUES(1, 'foo', 'bar'), (2, 'baz', 'quux'); +CREATE TRIGGER tt +AFTER TRUNCATE ON trunc_trigger_test +FOR EACH STATEMENT +EXECUTE PROCEDURE trunctrigger('after trigger truncate'); +SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; + Row count in test table +------------------------- + 2 +(1 row) + +SELECT * FROM trunc_trigger_log; + tgop | tglevel | tgwhen | tgargv | tgtable | rowcount +------+---------+--------+--------+---------+---------- +(0 rows) + +TRUNCATE trunc_trigger_test; +SELECT count(*) as "Row count in test table" FROM trunc_trigger_test; + Row count in test table +------------------------- + 0 +(1 row) + +SELECT * FROM trunc_trigger_log; + tgop | tglevel | tgwhen | tgargv | tgtable | rowcount +----------+-----------+--------+------------------------+--------------------+---------- + TRUNCATE | STATEMENT | AFTER | after trigger truncate | trunc_trigger_test | 0 +(1 row) + +DROP TABLE trunc_trigger_test; +DROP TABLE trunc_trigger_log; +DROP FUNCTION trunctrigger(); +-- test TRUNCATE ... RESTART IDENTITY +CREATE SEQUENCE truncate_a_id1 START WITH 33; +CREATE TABLE truncate_a (id serial, + id1 integer default nextval('truncate_a_id1')); +ALTER SEQUENCE truncate_a_id1 OWNED BY truncate_a.id1; +INSERT INTO truncate_a DEFAULT VALUES; +INSERT INTO truncate_a DEFAULT VALUES; +SELECT * FROM truncate_a; + id | id1 +----+----- + 1 | 33 + 2 | 34 +(2 rows) + +TRUNCATE truncate_a; +INSERT INTO truncate_a DEFAULT VALUES; +INSERT INTO truncate_a DEFAULT VALUES; +SELECT * FROM truncate_a; + id | id1 +----+----- + 3 | 35 + 4 | 36 +(2 rows) + +TRUNCATE truncate_a RESTART IDENTITY; +INSERT INTO truncate_a DEFAULT VALUES; +INSERT INTO truncate_a DEFAULT VALUES; +SELECT * FROM truncate_a; + id | id1 +----+----- + 1 | 33 + 2 | 34 +(2 rows) + +CREATE TABLE truncate_b (id int GENERATED ALWAYS AS IDENTITY (START WITH 44)); +INSERT INTO truncate_b DEFAULT VALUES; +INSERT INTO truncate_b DEFAULT VALUES; +SELECT * FROM truncate_b; + id +---- + 44 + 45 +(2 rows) + +TRUNCATE truncate_b; +INSERT INTO truncate_b DEFAULT VALUES; +INSERT INTO truncate_b DEFAULT VALUES; +SELECT * FROM truncate_b; + id +---- + 46 + 47 +(2 rows) + +TRUNCATE truncate_b RESTART IDENTITY; +INSERT INTO truncate_b DEFAULT VALUES; +INSERT INTO truncate_b DEFAULT VALUES; +SELECT * FROM truncate_b; + id +---- + 44 + 45 +(2 rows) + +-- check rollback of a RESTART IDENTITY operation +BEGIN; +TRUNCATE truncate_a RESTART IDENTITY; +INSERT INTO truncate_a DEFAULT VALUES; +SELECT * FROM truncate_a; + id | id1 +----+----- + 1 | 33 +(1 row) + +ROLLBACK; +INSERT INTO truncate_a DEFAULT VALUES; +INSERT INTO truncate_a DEFAULT VALUES; +SELECT * FROM truncate_a; + id | id1 +----+----- + 1 | 33 + 2 | 34 + 3 | 35 + 4 | 36 +(4 rows) + +DROP TABLE truncate_a; +SELECT nextval('truncate_a_id1'); -- fail, seq should have been dropped +ERROR: relation "truncate_a_id1" does not exist +LINE 1: SELECT nextval('truncate_a_id1'); + ^ +-- partitioned table +CREATE TABLE truncparted (a int, b char) PARTITION BY LIST (a); +-- error, can't truncate a partitioned table +TRUNCATE ONLY truncparted; +ERROR: cannot truncate only a partitioned table +HINT: Do not specify the ONLY keyword, or use TRUNCATE ONLY on the partitions directly. +CREATE TABLE truncparted1 PARTITION OF truncparted FOR VALUES IN (1); +INSERT INTO truncparted VALUES (1, 'a'); +-- error, must truncate partitions +TRUNCATE ONLY truncparted; +ERROR: cannot truncate only a partitioned table +HINT: Do not specify the ONLY keyword, or use TRUNCATE ONLY on the partitions directly. +TRUNCATE truncparted; +DROP TABLE truncparted; +-- foreign key on partitioned table: partition key is referencing column. +-- Make sure truncate did execute on all tables +CREATE FUNCTION tp_ins_data() RETURNS void LANGUAGE plpgsql AS $$ + BEGIN + INSERT INTO truncprim VALUES (1), (100), (150); + INSERT INTO truncpart VALUES (1), (100), (150); + END +$$; +CREATE FUNCTION tp_chk_data(OUT pktb regclass, OUT pkval int, OUT fktb regclass, OUT fkval int) + RETURNS SETOF record LANGUAGE plpgsql AS $$ + BEGIN + RETURN QUERY SELECT + pk.tableoid::regclass, pk.a, fk.tableoid::regclass, fk.a + FROM truncprim pk FULL JOIN truncpart fk USING (a) + ORDER BY 2, 4; + END +$$; +CREATE TABLE truncprim (a int PRIMARY KEY); +CREATE TABLE truncpart (a int REFERENCES truncprim) + PARTITION BY RANGE (a); +CREATE TABLE truncpart_1 PARTITION OF truncpart FOR VALUES FROM (0) TO (100); +CREATE TABLE truncpart_2 PARTITION OF truncpart FOR VALUES FROM (100) TO (200) + PARTITION BY RANGE (a); +CREATE TABLE truncpart_2_1 PARTITION OF truncpart_2 FOR VALUES FROM (100) TO (150); +CREATE TABLE truncpart_2_d PARTITION OF truncpart_2 DEFAULT; +TRUNCATE TABLE truncprim; -- should fail +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "truncpart" references "truncprim". +HINT: Truncate table "truncpart" at the same time, or use TRUNCATE ... CASCADE. +select tp_ins_data(); + tp_ins_data +------------- + +(1 row) + +-- should truncate everything +TRUNCATE TABLE truncprim, truncpart; +select * from tp_chk_data(); + pktb | pkval | fktb | fkval +------+-------+------+------- +(0 rows) + +select tp_ins_data(); + tp_ins_data +------------- + +(1 row) + +-- should truncate everything +TRUNCATE TABLE truncprim CASCADE; +NOTICE: truncate cascades to table "truncpart" +NOTICE: truncate cascades to table "truncpart_1" +NOTICE: truncate cascades to table "truncpart_2" +NOTICE: truncate cascades to table "truncpart_2_1" +NOTICE: truncate cascades to table "truncpart_2_d" +SELECT * FROM tp_chk_data(); + pktb | pkval | fktb | fkval +------+-------+------+------- +(0 rows) + +SELECT tp_ins_data(); + tp_ins_data +------------- + +(1 row) + +-- should truncate all partitions +TRUNCATE TABLE truncpart; +SELECT * FROM tp_chk_data(); + pktb | pkval | fktb | fkval +-----------+-------+------+------- + truncprim | 1 | | + truncprim | 100 | | + truncprim | 150 | | +(3 rows) + +DROP TABLE truncprim, truncpart; +DROP FUNCTION tp_ins_data(), tp_chk_data(); +-- test cascade when referencing a partitioned table +CREATE TABLE trunc_a (a INT PRIMARY KEY) PARTITION BY RANGE (a); +CREATE TABLE trunc_a1 PARTITION OF trunc_a FOR VALUES FROM (0) TO (10); +CREATE TABLE trunc_a2 PARTITION OF trunc_a FOR VALUES FROM (10) TO (20) + PARTITION BY RANGE (a); +CREATE TABLE trunc_a21 PARTITION OF trunc_a2 FOR VALUES FROM (10) TO (12); +CREATE TABLE trunc_a22 PARTITION OF trunc_a2 FOR VALUES FROM (12) TO (16); +CREATE TABLE trunc_a2d PARTITION OF trunc_a2 DEFAULT; +CREATE TABLE trunc_a3 PARTITION OF trunc_a FOR VALUES FROM (20) TO (30); +INSERT INTO trunc_a VALUES (0), (5), (10), (15), (20), (25); +-- truncate a partition cascading to a table +CREATE TABLE ref_b ( + b INT PRIMARY KEY, + a INT REFERENCES trunc_a(a) ON DELETE CASCADE +); +INSERT INTO ref_b VALUES (10, 0), (50, 5), (100, 10), (150, 15); +TRUNCATE TABLE trunc_a1 CASCADE; +NOTICE: truncate cascades to table "ref_b" +SELECT a FROM ref_b; + a +--- +(0 rows) + +DROP TABLE ref_b; +-- truncate a partition cascading to a partitioned table +CREATE TABLE ref_c ( + c INT PRIMARY KEY, + a INT REFERENCES trunc_a(a) ON DELETE CASCADE +) PARTITION BY RANGE (c); +CREATE TABLE ref_c1 PARTITION OF ref_c FOR VALUES FROM (100) TO (200); +CREATE TABLE ref_c2 PARTITION OF ref_c FOR VALUES FROM (200) TO (300); +INSERT INTO ref_c VALUES (100, 10), (150, 15), (200, 20), (250, 25); +TRUNCATE TABLE trunc_a21 CASCADE; +NOTICE: truncate cascades to table "ref_c" +NOTICE: truncate cascades to table "ref_c1" +NOTICE: truncate cascades to table "ref_c2" +SELECT a as "from table ref_c" FROM ref_c; + from table ref_c +------------------ +(0 rows) + +SELECT a as "from table trunc_a" FROM trunc_a ORDER BY a; + from table trunc_a +-------------------- + 15 + 20 + 25 +(3 rows) + +DROP TABLE trunc_a, ref_c; |