TupleUpdatedByCurXactAndCmd () changed due to

vadim4o · vadim4o · commit 448332a769a7 · 1997-08-29T09:12:20.000Z
Fix very old bug which made tuples changed/inserted by a commnd
visible to command itself (so we had multiple update of updated tuples,
etc).
diff --git a/src/backend/access/common/heapvalid.c b/src/backend/access/common/heapvalid.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.15 1997/08/26 23:31:22 momjian Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.16 1997/08/29 09:12:20 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -145,7 +145,7 @@ TupleUpdatedByCurXactAndCmd(HeapTuple t)
 {
     if (TransactionIdEquals(t->t_xmax,
 			    GetCurrentTransactionId()) &&
-	t->t_cmax == GetCurrentCommandId())
+	CommandIdGEScanCommandId (t->t_cmax))
 	return true;
     
     return false;

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/access/common/Attic/heapvalid.c,v 1.15 1997/08/26 23:31:22 momjian Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/access/common/Attic/heapvalid.c,v 1.16 1997/08/29 09:12:20 vadim Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -145,7 +145,7 @@ TupleUpdatedByCurXactAndCmd(HeapTuple t)`
`145`	`145`	`{`
`146`	`146`	`if (TransactionIdEquals(t->t_xmax,`
`147`	`147`	`GetCurrentTransactionId()) &&`
`148`		`- t->t_cmax == GetCurrentCommandId())`
	`148`	`+ CommandIdGEScanCommandId (t->t_cmax))`
`149`	`149`	`return true;`
`150`	`150`
`151`	`151`	`return false;`