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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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223
contrib/btree_gist/btree_gist.sql.in
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@ -1,6 +1,9 @@
begin transaction;
-- create type of int4 key
-- Adjust this setting to control where the objects get created.
SET search_path = public;
-- create type of int4 key
CREATE FUNCTION int4key_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
@ -40,102 +43,24 @@ create function gint4_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' lan
create function gint4_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
-- add a new opclass
INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opcdefault, opckeytype)
VALUES (
(SELECT oid FROM pg_am WHERE amname = 'gist'),
'gist_int4_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 = 'int4'),
true,
(SELECT oid FROM pg_type WHERE typname = 'int4key'));
-- Create the operator class
CREATE OPERATOR CLASS gist_int4_ops
DEFAULT FOR TYPE int4 USING gist AS
OPERATOR 1 < ,
OPERATOR 2 <= ,
OPERATOR 3 = ,
OPERATOR 4 >= ,
OPERATOR 5 > ,
FUNCTION 1 gint4_consistent (opaque, int4, int2),
FUNCTION 2 gint4_union (bytea, opaque),
FUNCTION 3 gint4_compress (opaque),
FUNCTION 4 btree_decompress (opaque),
FUNCTION 5 gint4_penalty (opaque, opaque, opaque),
FUNCTION 6 gint4_picksplit (opaque, opaque),
FUNCTION 7 gint4_same (opaque, opaque, opaque),
STORAGE int4key;
SELECT o.oid AS opoid, o.oprname
INTO TABLE int_ops_tmp
FROM pg_operator o, pg_type t
WHERE o.oprleft = t.oid and o.oprright = t.oid
and t.typname = 'int4';
-- get the comparators for int4es and store them in a tmp table
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 1, 'f'
FROM pg_opclass opcl, int_ops_tmp c
WHERE opcname = 'gist_int4_ops'
and c.oprname = '<';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 2, 'f'
FROM pg_opclass opcl, int_ops_tmp c
WHERE opcname = 'gist_int4_ops'
and c.oprname = '<=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 3, 'f'
FROM pg_opclass opcl, int_ops_tmp c
WHERE opcname = 'gist_int4_ops'
and c.oprname = '=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 4, 'f'
FROM pg_opclass opcl, int_ops_tmp c
WHERE opcname = 'gist_int4_ops'
and c.oprname = '>=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 5, 'f'
FROM pg_opclass opcl, int_ops_tmp c
WHERE opcname = 'gist_int4_ops'
and c.oprname = '>';
DROP table int_ops_tmp;
-- add the entries to amproc for the support methods
-- note the amprocnum numbers associated with each are specific!
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 1
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_consistent';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 2
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_union';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 3
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_compress';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 4
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'btree_decompress';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 5
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_penalty';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 6
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_picksplit';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 7
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_int4_ops'
and proname = 'gint4_same';
--
--
--
@ -173,98 +98,22 @@ create function gts_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' langu
create function gts_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
-- add a new opclass
INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, opcintype, opcdefault, opckeytype)
VALUES (
(SELECT oid FROM pg_am WHERE amname = 'gist'),
'gist_timestamp_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 = 'timestamp'),
true,
(SELECT oid FROM pg_type WHERE typname = 'tskey'));
-- Create the operator class
CREATE OPERATOR CLASS gist_timestamp_ops
DEFAULT FOR TYPE timestamp USING gist AS
OPERATOR 1 < ,
OPERATOR 2 <= ,
OPERATOR 3 = ,
OPERATOR 4 >= ,
OPERATOR 5 > ,
FUNCTION 1 gts_consistent (opaque, timestamp, int2),
FUNCTION 2 gts_union (bytea, opaque),
FUNCTION 3 gts_compress (opaque),
FUNCTION 4 btree_decompress (opaque),
FUNCTION 5 gts_penalty (opaque, opaque, opaque),
FUNCTION 6 gts_picksplit (opaque, opaque),
FUNCTION 7 gts_same (opaque, opaque, opaque),
STORAGE tskey;
SELECT o.oid AS opoid, o.oprname
INTO TABLE timestamp_ops_tmp
FROM pg_operator o, pg_type t
WHERE o.oprleft = t.oid and o.oprright = t.oid
and t.typname = 'timestamp';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 1, 'f'
FROM pg_opclass opcl, timestamp_ops_tmp c
WHERE opcname = 'gist_timestamp_ops'
and c.oprname = '<';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 2, 'f'
FROM pg_opclass opcl, timestamp_ops_tmp c
WHERE opcname = 'gist_timestamp_ops'
and c.oprname = '<=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 3, 'f'
FROM pg_opclass opcl, timestamp_ops_tmp c
WHERE opcname = 'gist_timestamp_ops'
and c.oprname = '=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 4, 'f'
FROM pg_opclass opcl, timestamp_ops_tmp c
WHERE opcname = 'gist_timestamp_ops'
and c.oprname = '>=';
INSERT INTO pg_amop (amopclaid, amopopr, amopstrategy, amopreqcheck)
SELECT opcl.oid, c.opoid, 5, 'f'
FROM pg_opclass opcl, timestamp_ops_tmp c
WHERE opcname = 'gist_timestamp_ops'
and c.oprname = '>';
DROP table timestamp_ops_tmp;
-- add the entries to amproc for the support methods
-- note the amprocnum numbers associated with each are specific!
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 1
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_consistent';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 2
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_union';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 3
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_compress';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 4
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'btree_decompress';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 5
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_penalty';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 6
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_picksplit';
INSERT INTO pg_amproc (amopclaid, amproc, amprocnum)
SELECT opcl.oid, pro.oid, 7
FROM pg_opclass opcl, pg_proc pro
WHERE opcname = 'gist_timestamp_ops'
and proname = 'gts_same';
end transaction;