40 lines
1.2 KiB
SQL
40 lines
1.2 KiB
SQL
-- This script disables use of the new LIKE-related selectivity estimation
|
|
-- functions, which are a little too new to be enabled by default in 7.0.
|
|
-- You can enable them again by running enablelike.sql.
|
|
|
|
-- Use of the functions will be disabled only in those databases you
|
|
-- run this script in. If you run it in template1,
|
|
-- all subsequently-created databases will not use the functions.
|
|
|
|
-- Be sure to run the script as the Postgres superuser!
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'eqsel'::regproc,
|
|
oprjoin = 'eqjoinsel'::regproc
|
|
WHERE oprrest = 'regexeqsel'::regproc;
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'eqsel'::regproc,
|
|
oprjoin = 'eqjoinsel'::regproc
|
|
WHERE oprrest = 'icregexeqsel'::regproc;
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'eqsel'::regproc,
|
|
oprjoin = 'eqjoinsel'::regproc
|
|
WHERE oprrest = 'likesel'::regproc;
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'neqsel'::regproc,
|
|
oprjoin = 'neqjoinsel'::regproc
|
|
WHERE oprrest = 'regexnesel'::regproc;
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'neqsel'::regproc,
|
|
oprjoin = 'neqjoinsel'::regproc
|
|
WHERE oprrest = 'icregexnesel'::regproc;
|
|
|
|
UPDATE pg_operator SET
|
|
oprrest = 'neqsel'::regproc,
|
|
oprjoin = 'neqjoinsel'::regproc
|
|
WHERE oprrest = 'nlikesel'::regproc;
|