| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Teach pattern_fixed_prefix() about collations. |
| Date: | 2011-04-11 16:28:47 |
| Message-ID: | E1Q9Jyp-0001ef-PZ@gemulon.postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
Teach pattern_fixed_prefix() about collations.
This is necessary, not optional, now that ILIKE and regexes are collation
aware --- else we might derive a wrong comparison constant for index
optimized pattern matches.
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/3c381a55b0fa1c4ca328211e39df8e1a715129cb
Modified Files
--------------
src/backend/optimizer/path/indxpath.c | 34 +++++----
src/backend/utils/adt/selfuncs.c | 137 +++++++++++++++++++++++----------
src/include/utils/selfuncs.h | 1 +
3 files changed, 117 insertions(+), 55 deletions(-)
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