Commits

Date	Subject	Author	Releases
2018-12-18	Make collation-aware system catalog columns use "C" collation.	Tom Lane	12.0
2011-04-12	Pass collations to functions in FunctionCallInfoData, not FmgrInfo.	Tom Lane	9.1.0
2011-03-26	Clean up cruft around collation initialization for tupdescs and scankeys.	Tom Lane	9.1.0
2010-01-01	Support "x IS NOT NULL" clauses as indexscan conditions. This turns out	Tom Lane	9.0.0
2007-04-06	Make 'col IS NULL' clauses be indexable conditions.	Tom Lane	8.3.0
2003-11-12	Cross-data-type comparisons are now indexable by btrees, pursuant to my	Tom Lane	8.0.0
2003-11-09	Add operator strategy and comparison-value datatype fields to ScanKey.	Tom Lane	8.0.0
2001-10-06	Rearrange fmgr.c and relcache so that it's possible to keep FmgrInfo	Tom Lane	7.2.1
2001-06-01	Clean up some minor problems exposed by further thought about Panon's bug	Tom Lane	7.2.1