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In RowDescription messages, report columns of domain datatypes as having

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the type OID and typmod of the underlying base type.  Per discussions
a few weeks ago with Andreas Pflug and others.  Note that this behavioral
change affects both old- and new-protocol clients.
This commit is contained in:
Tom Lane 2003-05-13 18:39:50 +00:00
parent 0249c24235
commit d9b679c13a
1 changed files with 15 additions and 7 deletions
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22
src/backend/access/common/printtup.c
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@ -9,7 +9,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.72 2003/05/09 18:08:48 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.73 2003/05/13 18:39:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -181,6 +181,10 @@ SendRowDescriptionMessage(TupleDesc typeinfo, List *targetlist, int16 *formats)
for (i = 0; i < natts; ++i)
{
Oid atttypid = attrs[i]->atttypid;
int32 atttypmod = attrs[i]->atttypmod;
Oid basetype;
pq_sendstring(&buf, NameStr(attrs[i]->attname));
/* column ID info appears in protocol 3.0 and up */
if (proto >= 3)
@ -204,14 +208,18 @@ SendRowDescriptionMessage(TupleDesc typeinfo, List *targetlist, int16 *formats)
pq_sendint(&buf, 0, 2);
}
}
pq_sendint(&buf, (int) attrs[i]->atttypid,
sizeof(attrs[i]->atttypid));
pq_sendint(&buf, attrs[i]->attlen,
sizeof(attrs[i]->attlen));
/* If column is a domain, send the base type and typmod instead */
basetype = getBaseType(atttypid);
if (basetype != atttypid)
{
atttypmod = get_typtypmod(atttypid);
atttypid = basetype;
}
pq_sendint(&buf, (int) atttypid, sizeof(atttypid));
pq_sendint(&buf, attrs[i]->attlen, sizeof(attrs[i]->attlen));
/* typmod appears in protocol 2.0 and up */
if (proto >= 2)
pq_sendint(&buf, attrs[i]->atttypmod,
sizeof(attrs[i]->atttypmod));
pq_sendint(&buf, atttypmod, sizeof(atttypmod));
/* format info appears in protocol 3.0 and up */
if (proto >= 3)
{