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ExecRestrPos() really needs to raise ERROR, not a wimpy DEBUG message, 

if given a node type it doesn't support.  As is, wrong results from a
mergejoin would go undetected.
This commit is contained in:
Tom Lane 2000-07-25 23:43:38 +00:00
parent 742cd87999
commit 0e06e68387
1 changed files with 18 additions and 11 deletions
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29
src/backend/executor/execAmi.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: execAmi.c,v 1.49 2000/07/12 02:37:00 tgl Exp $
* $Id: execAmi.c,v 1.50 2000/07/25 23:43:38 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -356,7 +356,8 @@ ExecReScan(Plan *node, ExprContext *exprCtxt, Plan *parent)
break;
default:
elog(ERROR, "ExecReScan: node type %u not supported", nodeTag(node));
elog(ERROR, "ExecReScan: node type %d not supported",
nodeTag(node));
return;
}
@ -393,7 +394,8 @@ ExecReScanR(Relation relDesc, /* LLL relDesc unused */
*
* Marks the current scan position.
*
* XXX Needs to be extended to include all the node types.
* XXX Needs to be extended to include all the node types,
* or at least all the ones that can be directly below a mergejoin.
* ----------------------------------------------------------------
*/
void
@ -422,16 +424,20 @@ ExecMarkPos(Plan *node)
break;
default:
elog(DEBUG, "ExecMarkPos: node type %u not supported", nodeTag(node));
/* don't make hard error unless caller asks to restore... */
elog(DEBUG, "ExecMarkPos: node type %d not supported",
nodeTag(node));
break;
}
return;
}
/* ----------------------------------------------------------------
* ExecRestrPos
*
* restores the scan position previously saved with ExecMarkPos()
*
* XXX Needs to be extended to include all the node types,
* or at least all the ones that can be directly below a mergejoin.
* ----------------------------------------------------------------
*/
void
@ -441,22 +447,23 @@ ExecRestrPos(Plan *node)
{
case T_SeqScan:
ExecSeqRestrPos((SeqScan *) node);
return;
break;
case T_IndexScan:
ExecIndexRestrPos((IndexScan *) node);
return;
break;
case T_Material:
ExecMaterialRestrPos((Material *) node);
return;
break;
case T_Sort:
ExecSortRestrPos((Sort *) node);
return;
break;
default:
elog(DEBUG, "ExecRestrPos: node type %u not supported", nodeTag(node));
return;
elog(ERROR, "ExecRestrPos: node type %d not supported",
nodeTag(node));
break;
}
}