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Support enum data types. Along the way, use macros for the values of

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pg_type.typtype whereever practical.  Tom Dunstan, with some kibitzing
from Tom Lane.
This commit is contained in:
Tom Lane
2007-04-02 03:49:42 +00:00
parent a482a3e58b
commit 57690c6803
74 changed files with 2398 additions and 332 deletions
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18
src/backend/utils/cache/lsyscache.c vendored
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.150 2007/03/19 16:30:31 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.151 2007/04/02 03:49:39 tgl Exp $
*
* NOTES
* Eventually, the index information should go through here, too.
@ -1770,7 +1770,7 @@ getTypeIOParam(HeapTuple typeTuple)
* own type OID as parameter. (As of 8.2, domains must get their own OID
* even if their base type is an array.)
*/
if (typeStruct->typtype == 'b' && OidIsValid(typeStruct->typelem))
if (typeStruct->typtype == TYPTYPE_BASE && OidIsValid(typeStruct->typelem))
return typeStruct->typelem;
else
return HeapTupleGetOid(typeTuple);
@ -2022,7 +2022,7 @@ getBaseTypeAndTypmod(Oid typid, int32 *typmod)
if (!HeapTupleIsValid(tup))
elog(ERROR, "cache lookup failed for type %u", typid);
typTup = (Form_pg_type) GETSTRUCT(tup);
if (typTup->typtype != 'd')
if (typTup->typtype != TYPTYPE_DOMAIN)
{
/* Not a domain, so done */
ReleaseSysCache(tup);
@ -2128,7 +2128,17 @@ get_typtype(Oid typid)
bool
type_is_rowtype(Oid typid)
{
return (typid == RECORDOID || get_typtype(typid) == 'c');
return (typid == RECORDOID || get_typtype(typid) == TYPTYPE_COMPOSITE);
}
/*
* type_is_enum
* Returns true if the given type is an enum type.
*/
bool
type_is_enum(Oid typid)
{
return (get_typtype(typid) == TYPTYPE_ENUM);
}
/*