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Tweak heap.c to refuse attempts to create table columns of standalone

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composite types.  Add a couple more lsyscache.c routines to support this,
and make use of them in some other places that were doing lookups the
hard way.
This commit is contained in:
Tom Lane
2002-09-19 23:40:56 +00:00
parent 4a0c3a6142
commit da395b56cd
6 changed files with 88 additions and 53 deletions
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14
src/backend/utils/adt/ruleutils.c
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@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.123 2002/09/19 22:48:33 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.124 2002/09/19 23:40:56 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -2087,24 +2087,14 @@ get_rule_expr(Node *node, deparse_context *context,
{
FieldSelect *fselect = (FieldSelect *) node;
Oid argType = exprType(fselect->arg);
HeapTuple typetup;
Form_pg_type typeStruct;
Oid typrelid;
char *fieldname;
/* lookup arg type and get the field name */
typetup = SearchSysCache(TYPEOID,
ObjectIdGetDatum(argType),
0, 0, 0);
if (!HeapTupleIsValid(typetup))
elog(ERROR, "cache lookup of type %u failed",
argType);
typeStruct = (Form_pg_type) GETSTRUCT(typetup);
typrelid = typeStruct->typrelid;
typrelid = get_typ_typrelid(argType);
if (!OidIsValid(typrelid))
elog(ERROR, "Argument type %s of FieldSelect is not a tuple type",
format_type_be(argType));
ReleaseSysCache(typetup);
fieldname = get_relid_attribute_name(typrelid,
fselect->fieldnum);