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Add operator strategy and comparison-value datatype fields to ScanKey.

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Remove the 'strategy map' code, which was a large amount of mechanism
that no longer had any use except reverse-mapping from procedure OID to
strategy number.  Passing the strategy number to the index AM in the
first place is simpler and faster.
This is a preliminary step in planned support for cross-datatype index
operations.  I'm committing it now since the ScanKeyEntryInitialize()
API change touches quite a lot of files, and I want to commit those
changes before the tree drifts under me.
This commit is contained in:
Tom Lane
2003-11-09 21:30:38 +00:00
parent 723825afeb
commit c1d62bfd00
72 changed files with 950 additions and 2147 deletions
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16
src/backend/utils/adt/ruleutils.c
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@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.157 2003/10/04 18:22:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.158 2003/11/09 21:30:37 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -488,9 +488,10 @@ pg_get_triggerdef(PG_FUNCTION_ARGS)
*/
tgrel = heap_openr(TriggerRelationName, AccessShareLock);
ScanKeyEntryInitialize(&skey[0], 0x0,
ObjectIdAttributeNumber, F_OIDEQ,
ObjectIdGetDatum(trigid));
ScanKeyEntryInitialize(&skey[0], 0,
ObjectIdAttributeNumber,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(trigid), OIDOID);
tgscan = systable_beginscan(tgrel, TriggerOidIndex, true,
SnapshotNow, 1, skey);
@ -885,9 +886,10 @@ pg_get_constraintdef_worker(Oid constraintId, int prettyFlags)
*/
conDesc = heap_openr(ConstraintRelationName, AccessShareLock);
ScanKeyEntryInitialize(&skey[0], 0x0,
ObjectIdAttributeNumber, F_OIDEQ,
ObjectIdGetDatum(constraintId));
ScanKeyEntryInitialize(&skey[0], 0,
ObjectIdAttributeNumber,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(constraintId), OIDOID);
conscan = systable_beginscan(conDesc, ConstraintOidIndex, true,
SnapshotNow, 1, skey);