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Add a bunch of pseudo-types to replace the behavior formerly associated

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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 ...
This commit is contained in:
Tom Lane
2002-08-22 00:01:51 +00:00
parent 606c9b9d4f
commit b663f3443b
126 changed files with 2005 additions and 1205 deletions
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8
contrib/seg/seg.c
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@ -114,14 +114,6 @@ seg_in(char *str)
return (result);
}
/*
* You might have noticed a slight inconsistency between the following
* declaration and the SQL definition:
* CREATE FUNCTION seg_out(opaque) RETURNS opaque ...
* The reason is that the argument passed into seg_out is really just a
* pointer. POSTGRES thinks all output functions are:
* char *out_func(char *);
*/
char *
seg_out(SEG * seg)
{

36
contrib/seg/seg.sql.in
View File

@ -5,13 +5,13 @@ BEGIN TRANSACTION;
-- Adjust this setting to control where the objects get created.
SET search_path = public;
CREATE FUNCTION seg_in(opaque)
RETURNS opaque
CREATE FUNCTION seg_in(cstring)
RETURNS seg
AS 'MODULE_PATHNAME'
LANGUAGE 'c';
CREATE FUNCTION seg_out(opaque)
RETURNS opaque
CREATE FUNCTION seg_out(seg)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE 'c';
@ -216,25 +216,25 @@ CREATE OPERATOR ~ (
-- define the GiST support methods
CREATE FUNCTION gseg_consistent(opaque,seg,int4) RETURNS bool
CREATE FUNCTION gseg_consistent(internal,seg,int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gseg_compress(opaque) RETURNS opaque
CREATE FUNCTION gseg_compress(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gseg_decompress(opaque) RETURNS opaque
CREATE FUNCTION gseg_decompress(internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gseg_penalty(opaque,opaque,opaque) RETURNS opaque
CREATE FUNCTION gseg_penalty(internal,internal,internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
CREATE FUNCTION gseg_picksplit(opaque, opaque) RETURNS opaque
CREATE FUNCTION gseg_picksplit(internal, internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gseg_union(bytea, opaque) RETURNS seg
CREATE FUNCTION gseg_union(bytea, internal) RETURNS seg
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gseg_same(seg, seg, opaque) RETURNS opaque
CREATE FUNCTION gseg_same(seg, seg, internal) RETURNS internal
AS 'MODULE_PATHNAME' LANGUAGE 'c';
@ -250,13 +250,13 @@ CREATE OPERATOR CLASS gist_seg_ops
OPERATOR 6 = ,
OPERATOR 7 @ ,
OPERATOR 8 ~ ,
FUNCTION 1 gseg_consistent (opaque, seg, int4),
FUNCTION 2 gseg_union (bytea, opaque),
FUNCTION 3 gseg_compress (opaque),
FUNCTION 4 gseg_decompress (opaque),
FUNCTION 5 gseg_penalty (opaque, opaque, opaque),
FUNCTION 6 gseg_picksplit (opaque, opaque),
FUNCTION 7 gseg_same (seg, seg, opaque);
FUNCTION 1 gseg_consistent (internal, seg, int4),
FUNCTION 2 gseg_union (bytea, internal),
FUNCTION 3 gseg_compress (internal),
FUNCTION 4 gseg_decompress (internal),
FUNCTION 5 gseg_penalty (internal, internal, internal),
FUNCTION 6 gseg_picksplit (internal, internal),
FUNCTION 7 gseg_same (seg, seg, internal);
END TRANSACTION;