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New pg_attribute.atttypmod for type-specific information like

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varchar length.

Cleans up code so attlen is always length.

Removed varchar() hack added earlier.

Will fix bug in selecting varchar() fields, and varchar() can be
variable length.
This commit is contained in:
Bruce Momjian
1998-01-16 23:21:07 +00:00
parent d7427e4802
commit c65ea0e040
27 changed files with 335 additions and 463 deletions
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28
src/backend/executor/execAmi.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.15 1998/01/16 05:03:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.16 1998/01/16 23:19:47 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -42,7 +42,6 @@
#include "access/genam.h"
#include "access/heapam.h"
#include "catalog/heap.h"
#include "catalog/pg_type.h"
static Pointer
ExecBeginScan(Relation relation, int nkeys, ScanKey skeys,
@@ -125,31 +124,6 @@ ExecOpenR(Oid relationOid, bool isindex)
if (relation == NULL)
elog(DEBUG, "ExecOpenR: relation == NULL, heap_open failed.");
{
int i;
Relation trel = palloc(sizeof(RelationData));
TupleDesc tdesc = palloc(sizeof(struct tupleDesc));
AttributeTupleForm *tatt =
palloc(sizeof(AttributeTupleForm*)*relation->rd_att->natts);
memcpy(trel, relation, sizeof(RelationData));
memcpy(tdesc, relation->rd_att, sizeof(struct tupleDesc));
trel->rd_att = tdesc;
tdesc->attrs = tatt;
for (i = 0; i < relation->rd_att->natts; i++)
{
if (relation->rd_att->attrs[i]->atttypid != VARCHAROID)
tdesc->attrs[i] = relation->rd_att->attrs[i];
else
{
tdesc->attrs[i] = palloc(sizeof(FormData_pg_attribute));
memcpy(tdesc->attrs[i], relation->rd_att->attrs[i],
sizeof(FormData_pg_attribute));
tdesc->attrs[i]->attlen = -1;
}
}
}
return relation;
}