Back-patch fix for extraction of fixed prefixes from regular expressions.
Back-patch of commits 628cbb50ba80c83917b07a7609ddec12cda172d0 and
c6aae3042be5249e672b731ebeb21875b5343010. This has been broken since
7.3, so back-patch to all supported branches.
Branch
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REL8_4_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/b9edaa784e407d1b6e890b776c607a26f3aa7e49
Modified Files
--------------
src/backend/regex/Makefile | 2 +-
src/backend/regex/regc_color.c | 11 ++-
src/backend/regex/regc_nfa.c | 34 +++---
src/backend/regex/regcomp.c | 2 +-
src/backend/regex/rege_dfa.c | 11 +-
src/backend/regex/regprefix.c | 256 ++++++++++++++++++++++++++++++++++++++
src/backend/utils/adt/regexp.c | 65 ++++++++++
src/backend/utils/adt/selfuncs.c | 204 ++++++------------------------
src/include/regex/regex.h | 4 +
src/include/regex/regguts.h | 30 ++++--
src/include/utils/builtins.h | 2 +
11 files changed, 421 insertions(+), 200 deletions(-)