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Fix for SELECT INTO TABLE for varchar().

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This commit is contained in:
Bruce Momjian
1998-01-19 02:37:51 +00:00
parent 8169769ee5
commit 691dc282f8
5 changed files with 67 additions and 5 deletions
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4
src/backend/executor/execMain.c
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@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.39 1998/01/16 23:19:49 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.40 1998/01/19 02:37:32 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -563,6 +563,8 @@ InitPlan(CmdType operation, Query *parseTree, Plan *plan, EState *estate)
*/
tupdesc = CreateTupleDescCopy(tupType);
setAtttypmodForCreateTable(tupdesc, targetList, rangeTable);
intoRelationId = heap_create_with_catalog(intoName, tupdesc);
FreeTupleDesc(tupdesc);

49
src/backend/executor/execUtils.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.24 1998/01/16 23:19:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.25 1998/01/19 02:37:33 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1177,3 +1177,50 @@ ExecInsertIndexTuples(TupleTableSlot *slot,
if (econtext != NULL)
pfree(econtext);
}
/* ----------------------------------------------------------------
* setAtttyplenForCreateTable -
* called when we do a SELECT * INTO TABLE tab
* needed for attributes that have atttypmod like bpchar and
* varchar
* ----------------------------------------------------------------
*/
void
setAtttypmodForCreateTable(TupleDesc tupType, List *targetList,
List *rangeTable)
{
List *tl;
TargetEntry *tle;
Node *expr;
int varno;
tl = targetList;
for (varno = 0; varno < tupType->natts; varno++)
{
tle = lfirst(tl);
if (USE_ATTTYPMOD(tupType->attrs[varno]->atttypid))
{
expr = tle->expr;
if (expr && IsA(expr, Var))
{
Var *var;
RangeTblEntry *rtentry;
Relation rd;
var = (Var *) expr;
rtentry = rt_fetch(var->varnoold, rangeTable);
rd = heap_open(rtentry->relid);
/* set length to that defined in relation */
tupType->attrs[varno]->atttypmod =
(*rd->rd_att->attrs[var->varoattno - 1]).atttypmod;
heap_close(rd);
}
else
elog(ERROR, "setAtttypmodForCreateTable: can't get atttypmod for field (for length, etc.)");
}
tl = lnext(tl);
}
}