postgresql/contrib/btree_gist/btree_gist.sql.in
Tom Lane a9289708af New contrib module for BTREE emulation in GiST.
From Oleg Bartunov and Teodor Sigaev.
2001-08-22 18:27:54 +00:00

264 lines
8.1 KiB
MySQL

begin transaction;
-- create type of int4 key
CREATE FUNCTION int4key_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION int4key_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE int4key (
internallength = 8,
input = int4key_in,
output = int4key_out
);
--
--
--
-- int4 ops
--
--
--
-- define the GiST support methods
create function gint4_consistent(opaque,int4,int2) returns bool as 'MODULE_PATHNAME' language 'C';
create function gint4_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
create function btree_decompress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
create function gint4_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C' with(isstrict);
create function gint4_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
create function gint4_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C';
create function gint4_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
-- add a new opclass
INSERT INTO pg_opclass (opcamid, opcname, opcintype, opckeytype, opcdefault)
SELECT pg_am.oid, 'gist_int4_ops', pg_type.oid, pg_key.oid, true
FROM pg_type, pg_am, pg_type pg_key
WHERE pg_type.typname = 'int4' and
pg_key.typname = 'int4key' and
pg_am.amname='gist';
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';
--
--
--
-- timestamp ops
--
--
--
-- create type of timestamp key
CREATE FUNCTION tskey_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION tskey_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE tskey (
internallength = 16,
input = tskey_in,
output = tskey_out
);
create function gts_consistent(opaque,timestamp,int2) returns bool as 'MODULE_PATHNAME' language 'C';
create function gts_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
create function gts_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C' with(isstrict);
create function gts_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
create function gts_union(bytea, opaque) returns int4 as 'MODULE_PATHNAME' language 'C';
create function gts_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
INSERT INTO pg_opclass (opcamid, opcname, opcintype, opckeytype, opcdefault)
SELECT pg_am.oid, 'gist_timestamp_ops', pg_type.oid, pg_key.oid, true
FROM pg_type, pg_am, pg_type pg_key
WHERE pg_type.typname = 'timestamp' and
pg_key.typname = 'tskey' and
pg_am.amname='gist';
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;