postgresql/contrib/btree_gin
Tom Lane a6bd28beb0 Fix failure of btree_gin indexscans with "char" type and </<= operators.
As a result of confusion about whether the "char" type is signed or
unsigned, scans for index searches like "col < 'x'" or "col <= 'x'"
would start at the middle of the index not the left end, thus missing
many or all of the entries they should find.  Fortunately, this
is not a symptom of index corruption.  It's only the search logic
that is broken, and we can fix it without unpleasant side-effects.

Per report from Jason Kim.  This has been wrong since btree_gin's
beginning, so back-patch to all supported branches.

Discussion: https://postgr.es/m/20210810001649.htnltbh7c63re42p@jasonk.me
2021-08-10 18:10:29 -04:00
..
expected Fix failure of btree_gin indexscans with "char" type and </<= operators. 2021-08-10 18:10:29 -04:00
sql
.gitignore
btree_gin--1.0--1.1.sql
btree_gin--1.0.sql
btree_gin--1.1--1.2.sql
btree_gin--1.2--1.3.sql
btree_gin.c Fix failure of btree_gin indexscans with "char" type and </<= operators. 2021-08-10 18:10:29 -04:00
btree_gin.control
Makefile