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Fix foreign keys on system columns.

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This commit is contained in:
Tom Lane
2001-10-23 17:39:03 +00:00
parent 57dd2ce78a
commit 01b73d3f27
4 changed files with 71 additions and 197 deletions
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32
src/backend/parser/parse_relation.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.57 2001/10/22 22:47:57 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.58 2001/10/23 17:39:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -938,7 +938,7 @@ attnameAttNum(Relation rd, char *a)
int i;
for (i = 0; i < rd->rd_rel->relnatts; i++)
if (!namestrcmp(&(rd->rd_att->attrs[i]->attname), a))
if (namestrcmp(&(rd->rd_att->attrs[i]->attname), a) == 0)
return i + 1;
if ((i = specialAttNum(a)) != InvalidAttrNumber)
@ -974,6 +974,28 @@ specialAttNum(char *a)
}
/*
* given attribute id, return name of that attribute
*
* This should only be used if the relation is already
* heap_open()'ed. Use the cache version get_atttype()
* for access to non-opened relations.
*/
Name
attnumAttName(Relation rd, int attid)
{
if (attid <= 0)
{
Form_pg_attribute sysatt;
sysatt = SystemAttributeDefinition(attid, rd->rd_rel->relhasoids);
return &sysatt->attname;
}
if (attid > rd->rd_att->natts)
elog(ERROR, "attnumAttName: invalid attribute number %d", attid);
return &rd->rd_att->attrs[attid - 1]->attname;
}
/*
* given attribute id, return type of that attribute
*
@ -991,10 +1013,8 @@ attnumTypeId(Relation rd, int attid)
sysatt = SystemAttributeDefinition(attid, rd->rd_rel->relhasoids);
return sysatt->atttypid;
}
/*
* -1 because attid is 1-based
*/
if (attid > rd->rd_att->natts)
elog(ERROR, "attnumTypeId: invalid attribute number %d", attid);
return rd->rd_att->attrs[attid - 1]->atttypid;
}