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Diffstat (limited to '')
-rw-r--r-- | src/test/regress/expected/tid.out | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/test/regress/expected/tid.out b/src/test/regress/expected/tid.out new file mode 100644 index 0000000..8da1a45 --- /dev/null +++ b/src/test/regress/expected/tid.out @@ -0,0 +1,76 @@ +-- tests for functions related to TID handling +CREATE TABLE tid_tab (a int); +-- min() and max() for TIDs +INSERT INTO tid_tab VALUES (1), (2); +SELECT min(ctid) FROM tid_tab; + min +------- + (0,1) +(1 row) + +SELECT max(ctid) FROM tid_tab; + max +------- + (0,2) +(1 row) + +TRUNCATE tid_tab; +-- Tests for currtid2() with various relation kinds +-- Materialized view +CREATE MATERIALIZED VIEW tid_matview AS SELECT a FROM tid_tab; +SELECT currtid2('tid_matview'::text, '(0,1)'::tid); -- fails +ERROR: tid (0, 1) is not valid for relation "tid_matview" +INSERT INTO tid_tab VALUES (1); +REFRESH MATERIALIZED VIEW tid_matview; +SELECT currtid2('tid_matview'::text, '(0,1)'::tid); -- ok + currtid2 +---------- + (0,1) +(1 row) + +DROP MATERIALIZED VIEW tid_matview; +TRUNCATE tid_tab; +-- Sequence +CREATE SEQUENCE tid_seq; +SELECT currtid2('tid_seq'::text, '(0,1)'::tid); -- ok + currtid2 +---------- + (0,1) +(1 row) + +DROP SEQUENCE tid_seq; +-- Index, fails with incorrect relation type +CREATE INDEX tid_ind ON tid_tab(a); +SELECT currtid2('tid_ind'::text, '(0,1)'::tid); -- fails +ERROR: "tid_ind" is an index +DROP INDEX tid_ind; +-- Partitioned table, no storage +CREATE TABLE tid_part (a int) PARTITION BY RANGE (a); +SELECT currtid2('tid_part'::text, '(0,1)'::tid); -- fails +ERROR: cannot look at latest visible tid for relation "public.tid_part" +DROP TABLE tid_part; +-- Views +-- ctid not defined in the view +CREATE VIEW tid_view_no_ctid AS SELECT a FROM tid_tab; +SELECT currtid2('tid_view_no_ctid'::text, '(0,1)'::tid); -- fails +ERROR: currtid cannot handle views with no CTID +DROP VIEW tid_view_no_ctid; +-- ctid fetched directly from the source table. +CREATE VIEW tid_view_with_ctid AS SELECT ctid, a FROM tid_tab; +SELECT currtid2('tid_view_with_ctid'::text, '(0,1)'::tid); -- fails +ERROR: tid (0, 1) is not valid for relation "tid_tab" +INSERT INTO tid_tab VALUES (1); +SELECT currtid2('tid_view_with_ctid'::text, '(0,1)'::tid); -- ok + currtid2 +---------- + (0,1) +(1 row) + +DROP VIEW tid_view_with_ctid; +TRUNCATE tid_tab; +-- ctid attribute with incorrect data type +CREATE VIEW tid_view_fake_ctid AS SELECT 1 AS ctid, 2 AS a; +SELECT currtid2('tid_view_fake_ctid'::text, '(0,1)'::tid); -- fails +ERROR: ctid isn't of type TID +DROP VIEW tid_view_fake_ctid; +DROP TABLE tid_tab CASCADE; |