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Clean up inefficiency in ExecRelCheck, and cause it to do the right

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thing when there are multiple result relations.  Formerly, during
something like 'UPDATE foo*', foo's constraints and *only* foo's
constraints would be applied to all foo's children.  Wrong-o ...
This commit is contained in:
Tom Lane
2000-08-06 04:26:40 +00:00
parent 925418d2fa
commit 8ae23135bc
4 changed files with 80 additions and 139 deletions
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6
src/include/nodes/execnodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: execnodes.h,v 1.44 2000/07/14 22:17:58 tgl Exp $
* $Id: execnodes.h,v 1.45 2000/08/06 04:26:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -215,7 +215,6 @@ typedef struct EState
Snapshot es_snapshot;
List *es_range_table;
RelationInfo *es_result_relation_info;
List **es_result_relation_constraints;
Relation es_into_relation_descriptor;
ParamListInfo es_param_list_info;
ParamExecData *es_param_exec_vals; /* this is for subselects */
@ -224,6 +223,9 @@ typedef struct EState
uint32 es_processed; /* # of tuples processed */
Oid es_lastoid; /* last oid processed (by INSERT) */
List *es_rowMark; /* not good place, but there is no other */
/* these two fields are storage space for ExecConstraints(): */
List **es_result_relation_constraints;
ExprContext *es_constraint_exprcontext;
/* Below is to re-evaluate plan qual in READ COMMITTED mode */
struct Plan *es_origPlan;
Pointer es_evalPlanQual;