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Commit07908c9

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Ensure that the Datum generated from a whole-row Var contains valid
type ID information even when it's a record type. This is needed tohandle whole-row Vars referencing subquery outputs. Per example fromRichard Huxton.
1 parent32fcfcd commit07908c9

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2 files changed

+11
-3
lines changed

2 files changed

+11
-3
lines changed

‎src/backend/access/common/heaptuple.c

Lines changed: 9 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,7 +16,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.100 2005/10/15 02:49:08 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.101 2005/10/19 18:18:32 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -27,6 +27,7 @@
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#include"access/tuptoaster.h"
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#include"catalog/pg_type.h"
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#include"executor/tuptable.h"
30+
#include"utils/typcache.h"
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/* ----------------------------------------------------------------
@@ -603,11 +604,18 @@ heap_getsysattr(HeapTuple tup, int attnum, TupleDesc tupleDesc, bool *isnull)
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*
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* We have to make a copy of the tuple so we can safely insert the
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* Datum overhead fields, which are not set in on-disk tuples.
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*
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* It's possible that the passed tupleDesc is a record type that
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* hasn't been "blessed" yet, so cover that case.
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*/
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caseInvalidAttrNumber:
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{
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HeapTupleHeaderdtup;
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615+
if (tupleDesc->tdtypeid==RECORDOID&&
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tupleDesc->tdtypmod<0)
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assign_record_type_typmod(tupleDesc);
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dtup= (HeapTupleHeader)palloc(tup->t_len);
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memcpy((char*)dtup, (char*)tup->t_data,tup->t_len);
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‎src/backend/executor/execQual.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.181 2005/10/15 02:49:16 momjian Exp $
11+
* $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.182 2005/10/19 18:18:33 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -3180,7 +3180,7 @@ ExecInitExpr(Expr *node, PlanState *parent)
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{
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/* generic record, use runtime type assignment */
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rstate->tupdesc=ExecTypeFromExprList(rowexpr->args);
3183-
rstate->tupdesc=BlessTupleDesc(rstate->tupdesc);
3183+
BlessTupleDesc(rstate->tupdesc);
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}
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else
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{

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