Fix for Group ReScan suggested by Vadim.

bmomjian · bmomjian · commit e2bc27565763 · 1998-07-16T02:58:09.000Z
diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c
@@ -13,7 +13,7 @@
  *	  columns. (ie. tuples from the same group are consecutive)
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.20 1998/07/16 01:49:18 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.21 1998/07/16 02:58:09 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -425,4 +425,8 @@ ExecReScanGroup(Group *node, ExprContext *exprCtxt, Plan *parent)
 
 	grpstate->grp_useFirstTuple = FALSE;
 	grpstate->grp_done = FALSE;
+
+	if (((Plan *) node)->lefttree &&
+		((Plan *) node)->lefttree->chgParam == NULL)
+		ExecReScan(((Plan *) node)->lefttree, exprCtxt, (Plan *) node);
 }

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@`
`13`	`13`	`* columns. (ie. tuples from the same group are consecutive)`
`14`	`14`	`*`
`15`	`15`	`* IDENTIFICATION`
`16`		`- * $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.20 1998/07/16 01:49:18 momjian Exp $`
	`16`	`+ * $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.21 1998/07/16 02:58:09 momjian Exp $`
`17`	`17`	`*`
`18`	`18`	`*-------------------------------------------------------------------------`
`19`	`19`	`*/`
`@@ -425,4 +425,8 @@ ExecReScanGroup(Group node, ExprContext exprCtxt, Plan *parent)`
`425`	`425`
`426`	`426`	`grpstate->grp_useFirstTuple = FALSE;`
`427`	`427`	`grpstate->grp_done = FALSE;`
	`428`	`+`
	`429`	`+ if (((Plan *) node)->lefttree &&`
	`430`	`+ ((Plan *) node)->lefttree->chgParam == NULL)`
	`431`	`+ ExecReScan(((Plan ) node)->lefttree, exprCtxt, (Plan ) node);`
`428`	`432`	`}`