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Support for emulating RTREE indexing in GiST. Contributed by
Oleg Bartunov and Teodor Sigaev.
This commit is contained in:
Tom Lane
284
contrib/rtree_gist/rtree_gist.sql.in
Normal file
284
contrib/rtree_gist/rtree_gist.sql.in
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@ -0,0 +1,284 @@
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begin transaction;
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--
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--
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--
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-- BOX 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 gbox_consistent(opaque,box,int4) returns bool as 'MODULE_PATHNAME' language 'C';
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create function gbox_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function rtree_decompress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gbox_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gbox_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gbox_union(bytea, opaque) returns box as 'MODULE_PATHNAME' language 'C';
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create function gbox_same(box, box, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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-- add a new opclass
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--INSERT INTO pg_opclass (opcname, opcdeftype)
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-- SELECT 'gist_box_ops', oid
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-- FROM pg_type
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-- WHERE typname = 'box';
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INSERT INTO pg_opclass (opcname, opcdeftype) values ( 'gist_box_ops', 0 );
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--SELECT oid, opcname FROM pg_opclass WHERE opcname = 'gist_box_ops';
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-- get the comparators for boxes and store them in a tmp table
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SELECT o.oid AS opoid, o.oprname
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INTO TABLE rt_ops_tmp
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FROM pg_operator o, pg_type t
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WHERE o.oprleft = t.oid
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and t.typname = 'box';
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-- using the tmp table, generate the amop entries
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-- box_left
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 1
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '<<';
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-- box_overleft
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 2
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '&<';
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-- box_overlap
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 3
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '&&';
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-- box_overright
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 4
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '&>';
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-- box_right
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 5
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '>>';
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-- box_same
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 6
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '~=';
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-- box_contains
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 7
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '~';
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-- box_contained
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 8
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and c.oprname = '@';
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DROP table rt_ops_tmp;
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-- add the entries to amproc for the support methods
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-- note the amprocnum numbers associated with each are specific!
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 1
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_consistent';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 2
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_union';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 3
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_compress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 4
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'rtree_decompress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 5
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_penalty';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 6
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_picksplit';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 7
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_box_ops'
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and proname = 'gbox_same';
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--
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--
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--
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-- POLYGON 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 gpoly_consistent(opaque,polygon,int4) returns bool as 'MODULE_PATHNAME' language 'C';
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create function gpoly_compress(opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gpoly_penalty(opaque,opaque,opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gpoly_picksplit(opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gpoly_union(bytea, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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create function gpoly_same(opaque, opaque, opaque) returns opaque as 'MODULE_PATHNAME' language 'C';
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-- add a new opclass
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--INSERT INTO pg_opclass (opcname, opcdeftype)
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-- SELECT 'gist_poly_ops', oid
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-- FROM pg_type
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-- WHERE typname = 'polygon';
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INSERT INTO pg_opclass (opcname, opcdeftype) values ( 'gist_poly_ops', 0 );
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--SELECT oid, opcname FROM pg_opclass WHERE opcname = 'gist_poly_ops';
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-- get the comparators for polygons and store them in a tmp table
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-- hack for 757 (poly_contain_pt) Teodor
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SELECT o.oid AS opoid, o.oprname
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INTO TABLE rt_ops_tmp
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FROM pg_operator o, pg_type t
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WHERE o.oprleft = t.oid and o.oid <> 757
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and t.typname = 'polygon';
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-- using the tmp table, generate the amop entries
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-- poly_left
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 1
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '<<';
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-- poly_overleft
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 2
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '&<';
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-- poly_overlap
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 3
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '&&';
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-- poly_overright
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 4
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '&>';
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-- poly_right
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 5
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '>>';
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-- poly_same
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 6
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '~=';
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-- poly_contains
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 7
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '~';
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-- poly_contained
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INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 8
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FROM pg_am am, pg_opclass opcl, rt_ops_tmp c
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and c.oprname = '@';
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DROP table rt_ops_tmp;
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-- add the entries to amproc for the support methods
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-- note the amprocnum numbers associated with each are specific!
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 1
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_consistent';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 2
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_union';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 3
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_compress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 4
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'rtree_decompress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 5
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_penalty';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 6
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_picksplit';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 7
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist_poly_ops'
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and proname = 'gpoly_same';
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end transaction;
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