Fix for palloc(0) in new code

bmomjian · bmomjian · commit ead219384f31 · 1997-08-06T04:45:39.000Z
diff --git a/src/backend/utils/sort/psort.c b/src/backend/utils/sort/psort.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/utils/sort/Attic/psort.c,v 1.6 1997/08/06 03:41:55 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/utils/sort/Attic/psort.c,v 1.7 1997/08/06 04:45:39 momjian Exp $
  *
  * NOTES
  *      Sorts the first relation into the second relation.
@@ -570,7 +570,7 @@ dumptuples(Sort *node)
     HeapTuple	tup;
     int memtupindex = 0;
 
-    if (! PS(node)->using_tape_files) {
+    if (! PS(node)->using_tape_files && PS(node)->tupcount) {
 	Assert(PS(node)->memtuples == NULL);
     	PS(node)->memtuples = palloc(PS(node)->tupcount * sizeof(HeapTuple));
     }

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/utils/sort/Attic/psort.c,v 1.6 1997/08/06 03:41:55 momjian Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/sort/Attic/psort.c,v 1.7 1997/08/06 04:45:39 momjian Exp $`
`11`	`11`	`*`
`12`	`12`	`* NOTES`
`13`	`13`	`* Sorts the first relation into the second relation.`
`@@ -570,7 +570,7 @@ dumptuples(Sort *node)`
`570`	`570`	`HeapTuple tup;`
`571`	`571`	`int memtupindex = 0;`
`572`	`572`
`573`		`- if (! PS(node)->using_tape_files) {`
	`573`	`+ if (! PS(node)->using_tape_files && PS(node)->tupcount) {`
`574`	`574`	`Assert(PS(node)->memtuples == NULL);`
`575`	`575`	`PS(node)->memtuples = palloc(PS(node)->tupcount * sizeof(HeapTuple));`
`576`	`576`	`}`