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Replace ad-hoc insertions into pg_opclass and friends with CREATE

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OPERATOR CLASS commands.  Further tweaking of documentation for same.
This commit is contained in:
Tom Lane
2002-07-30 17:34:37 +00:00
parent ea2d97414c
commit 65b6868b13
10 changed files with 208 additions and 1102 deletions
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108
contrib/tsearch/tsearch.sql.in
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@ -1,5 +1,8 @@
BEGIN TRANSACTION;
-- Adjust this setting to control where the objects get created.
SET search_path = public;
-- TXTIDX type
CREATE FUNCTION txtidx_in(opaque)
@ -134,6 +137,7 @@ input = gtxtidx_in,
output = gtxtidx_out
);
-- support functions
CREATE FUNCTION gtxtidx_consistent(gtxtidx,opaque,int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c';
@ -155,97 +159,19 @@ CREATE FUNCTION gtxtidx_union(bytea, opaque) RETURNS _int4
CREATE FUNCTION gtxtidx_same(gtxtidx, gtxtidx, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opcdefault, opckeytype)
VALUES (
(SELECT oid FROM pg_am WHERE amname = 'gist'),
'gist_txtidx_ops',
(SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'),
1, -- UID of superuser is hardwired to 1 as of PG 7.3
(SELECT oid FROM pg_type WHERE typname = 'txtidx'),
true,
(SELECT oid FROM pg_type WHERE typname = 'gtxtidx'));
SELECT o.oid AS opoid, o.oprname
INTO TEMP TABLE txtidx_ops_tmp
FROM pg_operator o, pg_type t, pg_type tq
WHERE o.oprleft = t.oid and o.oprright=tq.oid
and t.typname = 'txtidx'
and ( tq.typname='query_txt' or tq.typname='mquery_txt' );
INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
SELECT opcl.oid, 1, true, c.opoid
FROM pg_opclass opcl, txtidx_ops_tmp c
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and c.oprname = '@@';
INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
SELECT opcl.oid, 2, true, c.opoid
FROM pg_opclass opcl, txtidx_ops_tmp c
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and c.oprname = '##';
DROP TABLE txtidx_ops_tmp;
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 1, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_consistent';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 2, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_union';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 3, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_compress';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 4, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_decompress';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 5, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_penalty';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 6, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_picksplit';
INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
SELECT opcl.oid, 7, pro.oid
FROM pg_opclass opcl, pg_proc pro
WHERE
opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
and opcname = 'gist_txtidx_ops'
and proname = 'gtxtidx_same';
-- create the operator class
CREATE OPERATOR CLASS gist_txtidx_ops
DEFAULT FOR TYPE txtidx USING gist AS
OPERATOR 1 @@ (txtidx, query_txt) RECHECK ,
OPERATOR 2 ## (txtidx, mquery_txt) RECHECK ,
FUNCTION 1 gtxtidx_consistent (gtxtidx, opaque, int4),
FUNCTION 2 gtxtidx_union (bytea, opaque),
FUNCTION 3 gtxtidx_compress (opaque),
FUNCTION 4 gtxtidx_decompress (opaque),
FUNCTION 5 gtxtidx_penalty (opaque, opaque, opaque),
FUNCTION 6 gtxtidx_picksplit (opaque, opaque),
FUNCTION 7 gtxtidx_same (gtxtidx, gtxtidx, opaque),
STORAGE gtxtidx;
END TRANSACTION;