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heap_fetch requires buffer pointer, must be released; heap_getnext

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no longer returns buffer pointer, can be gotten from scan;
	descriptor; bootstrap can create multi-key indexes;
pg_procname index now is multi-key index; oidint2, oidint4, oidname
are gone (must be removed from regression tests); use System Cache
rather than sequential scan in many places; heap_modifytuple no
longer takes buffer parameter; remove unused buffer parameter in
a few other functions; oid8 is not index-able; remove some use of
single-character variable names; cleanup Buffer variables usage
and scan descriptor looping; cleaned up allocation and freeing of
tuples; 18k lines of diff;
This commit is contained in:
Bruce Momjian
1998-08-19 02:04:17 +00:00
parent 31de2c9461
commit 7971539020
123 changed files with 2139 additions and 3134 deletions
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9
src/backend/executor/nodeIndexscan.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.23 1998/08/04 18:42:38 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.24 1998/08/19 02:02:02 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -123,7 +123,6 @@ IndexNext(IndexScan *node)
{
tuple = heap_fetch(heapRelation, snapshot,
&result->heap_iptr, &buffer);
/* be tidy */
pfree(result);
if (tuple != NULL)
@ -224,7 +223,7 @@ ExecIndexReScan(IndexScan *node, ExprContext *exprCtxt, Plan *parent)
ScanDirection direction;
IndexScanDescPtr scanDescs;
ScanKey *scanKeys;
IndexScanDesc sdesc;
IndexScanDesc scan;
ScanKey skey;
int numIndices;
int i;
@ -301,9 +300,9 @@ ExecIndexReScan(IndexScan *node, ExprContext *exprCtxt, Plan *parent)
}
}
}
sdesc = scanDescs[i];
scan = scanDescs[i];
skey = scanKeys[i];
index_rescan(sdesc, direction, skey);
index_rescan(scan, direction, skey);
}
/* ----------------
* perhaps return something meaningful