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SQL-language functions are now callable in ordinary fmgr contexts ...

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for example, an SQL function can be used in a functional index.  (I make
no promises about speed, but it'll work ;-).)  Clean up and simplify
handling of functions returning sets.
This commit is contained in:
Tom Lane
2000-08-24 03:29:15 +00:00
parent 87523ab8db
commit 782c16c6a1
35 changed files with 889 additions and 921 deletions
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9
src/backend/executor/nodeIndexscan.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.53 2000/08/13 02:50:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.54 2000/08/24 03:29:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -334,7 +334,6 @@ ExecIndexReScan(IndexScan *node, ExprContext *exprCtxt, Plan *parent)
Node *scanexpr;
Datum scanvalue;
bool isNull;
bool isDone;
estate = node->scan.plan.state;
indexstate = node->indxstate;
@ -411,14 +410,10 @@ ExecIndexReScan(IndexScan *node, ExprContext *exprCtxt, Plan *parent)
(Node *) get_rightop(clause) :
(Node *) get_leftop(clause);
/*
* pass in isDone but ignore it. We don't iterate in
* quals
*/
scanvalue = ExecEvalExprSwitchContext(scanexpr,
econtext,
&isNull,
&isDone);
NULL);
scan_keys[j].sk_argument = scanvalue;
if (isNull)
scan_keys[j].sk_flags |= SK_ISNULL;