Add KNNGIST support to contrib/pg_trgm.

Teodor Sigaev, with some revision by Tom

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=b525bf771e31a2254f28bf25c6ed7987d64c8afb

Modified Files
--------------
contrib/pg_trgm/expected/pg_trgm.out  |   23 +++++
contrib/pg_trgm/pg_trgm.sql.in        |   21 +++++-
contrib/pg_trgm/sql/pg_trgm.sql       |    4 +
contrib/pg_trgm/trgm.h                |   10 ++-
contrib/pg_trgm/trgm_gin.c            |    3 +
contrib/pg_trgm/trgm_gist.c           |  142 +++++++++++++++++++++++++-------
contrib/pg_trgm/trgm_op.c             |   26 +++++--
contrib/pg_trgm/uninstall_pg_trgm.sql |    6 ++
doc/src/sgml/pgtrgm.sgml              |   22 +++++-
9 files changed, 214 insertions(+), 43 deletions(-)

pgsql-committers by date

Next:	From: Tom Lane	Date: 2010-12-04 08:22:47
	Subject: pgsql: Update comment to match later code changes.
Previous:	From: Tom Lane	Date: 2010-12-04 04:49:21
	Subject: pgsql: Add external documentation for KNNGIST.