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-rw-r--r--src/backend/executor/nodeFunctionscan.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/backend/executor/nodeFunctionscan.c b/src/backend/executor/nodeFunctionscan.c
index 381b6047bf0..d58d312238e 100644
--- a/src/backend/executor/nodeFunctionscan.c
+++ b/src/backend/executor/nodeFunctionscan.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/nodeFunctionscan.c,v 1.6 2002/08/29 00:17:04 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeFunctionscan.c,v 1.7 2002/08/29 17:14:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -429,6 +429,12 @@ function_getonetuple(FunctionScanState *scanstate,
TupleTableSlot *slot = scanstate->csstate.css_ScanTupleSlot;
/*
+ * reset per-tuple memory context before each call of the function.
+ * This cleans up any local memory the function may leak when called.
+ */
+ ResetExprContext(econtext);
+
+ /*
* get the next Datum from the function
*/
retDatum = ExecEvalExprSwitchContext(expr, econtext, isNull, isDone);