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Restructure indexscan API (index_beginscan, index_getnext) per

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yesterday's proposal to pghackers.  Also remove unnecessary parameters
to heap_beginscan, heap_rescan.  I modified pg_proc.h to reflect the
new numbers of parameters for the AM interface routines, but did not
force an initdb because nothing actually looks at those fields.
This commit is contained in:
Tom Lane
2002-05-20 23:51:44 +00:00
parent c961474c96
commit 44fbe20d62
59 changed files with 834 additions and 1283 deletions
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6
src/backend/optimizer/path/indxpath.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.117 2002/05/12 23:43:02 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.118 2002/05/20 23:51:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1233,9 +1233,9 @@ pred_test_simple_clause(Expr *predicate, Node *clause)
ObjectIdGetDatum(pred_op));
relation = heap_openr(AccessMethodOperatorRelationName, AccessShareLock);
scan = heap_beginscan(relation, false, SnapshotNow, 1, entry);
scan = heap_beginscan(relation, SnapshotNow, 1, entry);
while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
aform = (Form_pg_amop) GETSTRUCT(tuple);
if (opclass_is_btree(aform->amopclaid))