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Cross-data-type comparisons are now indexable by btrees, pursuant to my

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pghackers proposal of 8-Nov.  All the existing cross-type comparison
operators (int2/int4/int8 and float4/float8) have appropriate support.
The original proposal of storing the right-hand-side datatype as part of
the primary key for pg_amop and pg_amproc got modified a bit in the event;
it is easier to store zero as the 'default' case and only store a nonzero
when the operator is actually cross-type.  Along the way, remove the
long-since-defunct bigbox_ops operator class.
This commit is contained in:
Tom Lane
2003-11-12 21:15:59 +00:00
parent 49f98fa833
commit fa5c8a055a
76 changed files with 2237 additions and 1492 deletions
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16
src/backend/access/rtree/rtproc.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.37 2003/08/04 02:39:57 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtproc.c,v 1.38 2003/11/12 21:15:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -82,20 +82,6 @@ rt_box_size(PG_FUNCTION_ARGS)
PG_RETURN_VOID();
}
/*
* rt_bigbox_size() -- Compute a size for big boxes.
*
* In an earlier release of the system, this routine did something
* different from rt_box_size. We now use floats, rather than ints,
* as the return type for the size routine, so we no longer need to
* have a special return type for big boxes.
*/
Datum
rt_bigbox_size(PG_FUNCTION_ARGS)
{
return rt_box_size(fcinfo);
}
Datum
rt_poly_union(PG_FUNCTION_ARGS)
{

10
src/backend/access/rtree/rtscan.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.48 2003/11/09 21:30:35 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.49 2003/11/12 21:15:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -123,15 +123,17 @@ rtrescan(PG_FUNCTION_ARGS)
opclass = s->indexRelation->rd_index->indclass[attno-1];
int_strategy = RTMapToInternalOperator(s->keyData[i].sk_strategy);
int_oper = get_opclass_member(opclass, int_strategy);
int_oper = get_opclass_member(opclass,
s->keyData[i].sk_subtype,
int_strategy);
int_proc = get_opcode(int_oper);
ScanKeyEntryInitialize(&(p->s_internalKey[i]),
s->keyData[i].sk_flags,
attno,
int_strategy,
s->keyData[i].sk_subtype,
int_proc,
s->keyData[i].sk_argument,
s->keyData[i].sk_argtype);
s->keyData[i].sk_argument);
}
}