chore: import upstream snapshot with attribution

2026-07-13 12:32:25 +08:00
commit e014feafe1
2285 changed files with 1131979 additions and 0 deletions
@@ -0,0 +1,66 @@
+-- basic tests for the TID data type
+
+SELECT
+  '(0,0)'::tid as tid00,
+  '(0,1)'::tid as tid01,
+  '(-1,0)'::tid as tidm10,
+  '(4294967295,65535)'::tid as tidmax;
+
+SELECT '(4294967296,1)'::tid;  -- error
+SELECT '(1,65536)'::tid;  -- error
+
+
+-- 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;
+SELECT max(ctid) FROM tid_tab;
+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
+INSERT INTO tid_tab VALUES (1);
+REFRESH MATERIALIZED VIEW tid_matview;
+SELECT currtid2('tid_matview'::text, '(0,1)'::tid); -- ok
+DROP MATERIALIZED VIEW tid_matview;
+TRUNCATE tid_tab;
+
+-- Sequence
+CREATE SEQUENCE tid_seq;
+SELECT currtid2('tid_seq'::text, '(0,1)'::tid); -- ok
+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
+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
+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
+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
+INSERT INTO tid_tab VALUES (1);
+SELECT currtid2('tid_view_with_ctid'::text, '(0,1)'::tid); -- ok
+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
+DROP VIEW tid_view_fake_ctid;
+
+DROP TABLE tid_tab CASCADE;