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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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9
src/include/utils/lsyscache.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: lsyscache.h,v 1.83 2003/11/09 21:30:38 tgl Exp $
* $Id: lsyscache.h,v 1.84 2003/11/12 21:15:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -26,10 +26,11 @@ typedef enum IOFuncSelector
extern bool op_in_opclass(Oid opno, Oid opclass);
extern void get_op_opclass_properties(Oid opno, Oid opclass,
int *strategy, bool *recheck);
extern Oid get_opclass_member(Oid opclass, int16 strategy);
int *strategy, Oid *subtype,
bool *recheck);
extern Oid get_opclass_member(Oid opclass, Oid subtype, int16 strategy);
extern Oid get_op_hash_function(Oid opno);
extern Oid get_opclass_proc(Oid opclass, int16 procnum);
extern Oid get_opclass_proc(Oid opclass, Oid subtype, int16 procnum);
extern char *get_attname(Oid relid, AttrNumber attnum);
extern char *get_relid_attribute_name(Oid relid, AttrNumber attnum);
extern AttrNumber get_attnum(Oid relid, const char *attname);