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b663f3443b
with OPAQUE, as per recent pghackers discussion. I still want to do some more work on the 'cstring' pseudo-type, but I'm going to commit the bulk of the changes now before the tree starts shifting under me ...
120 lines
3.3 KiB
MySQL
120 lines
3.3 KiB
MySQL
begin transaction;
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-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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-- create type of int4 key
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CREATE FUNCTION int4key_in(cstring)
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RETURNS int4key
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION int4key_out(int4key)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE TYPE int4key (
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internallength = 8,
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input = int4key_in,
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output = int4key_out
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);
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--
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--
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--
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-- int4 ops
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--
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--
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--
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-- define the GiST support methods
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create function gint4_consistent(internal,int4,int2) returns bool as 'MODULE_PATHNAME' language 'C';
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create function gint4_compress(internal) returns internal as 'MODULE_PATHNAME' language 'C';
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create function btree_decompress(internal) returns internal as 'MODULE_PATHNAME' language 'C';
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create function gint4_penalty(internal,internal,internal) returns internal as 'MODULE_PATHNAME' language 'C' with(isstrict);
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create function gint4_picksplit(internal, internal) returns internal as 'MODULE_PATHNAME' language 'C';
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create function gint4_union(bytea, internal) returns int4 as 'MODULE_PATHNAME' language 'C';
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create function gint4_same(internal, internal, internal) returns internal as 'MODULE_PATHNAME' language 'C';
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-- Create the operator class
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CREATE OPERATOR CLASS gist_int4_ops
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DEFAULT FOR TYPE int4 USING gist AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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FUNCTION 1 gint4_consistent (internal, int4, int2),
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FUNCTION 2 gint4_union (bytea, internal),
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FUNCTION 3 gint4_compress (internal),
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FUNCTION 4 btree_decompress (internal),
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FUNCTION 5 gint4_penalty (internal, internal, internal),
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FUNCTION 6 gint4_picksplit (internal, internal),
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FUNCTION 7 gint4_same (internal, internal, internal),
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STORAGE int4key;
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--
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--
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--
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-- timestamp ops
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--
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--
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--
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-- create type of timestamp key
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CREATE FUNCTION tskey_in(cstring)
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RETURNS tskey
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION tskey_out(tskey)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE TYPE tskey (
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internallength = 16,
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input = tskey_in,
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output = tskey_out
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);
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create function gts_consistent(internal,timestamp,int2) returns bool as 'MODULE_PATHNAME' language 'C';
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create function gts_compress(internal) returns internal as 'MODULE_PATHNAME' language 'C';
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create function gts_penalty(internal,internal,internal) returns internal as 'MODULE_PATHNAME' language 'C' with(isstrict);
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create function gts_picksplit(internal, internal) returns internal as 'MODULE_PATHNAME' language 'C';
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create function gts_union(bytea, internal) returns int4 as 'MODULE_PATHNAME' language 'C';
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create function gts_same(internal, internal, internal) returns internal as 'MODULE_PATHNAME' language 'C';
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-- Create the operator class
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CREATE OPERATOR CLASS gist_timestamp_ops
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DEFAULT FOR TYPE timestamp USING gist AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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FUNCTION 1 gts_consistent (internal, timestamp, int2),
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FUNCTION 2 gts_union (bytea, internal),
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FUNCTION 3 gts_compress (internal),
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FUNCTION 4 btree_decompress (internal),
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FUNCTION 5 gts_penalty (internal, internal, internal),
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FUNCTION 6 gts_picksplit (internal, internal),
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FUNCTION 7 gts_same (internal, internal, internal),
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STORAGE tskey;
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end transaction;
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