diff options
Diffstat (limited to 'src/backend/parser/parse_coerce.c')
| -rw-r--r-- | src/backend/parser/parse_coerce.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c index e81edb3efc5..8586d5e5cca 100644 --- a/src/backend/parser/parse_coerce.c +++ b/src/backend/parser/parse_coerce.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.64 2001/10/25 05:49:39 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.65 2002/03/06 20:34:51 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -38,6 +38,7 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, { Node *result; + if (targetTypeId == inputTypeId || targetTypeId == InvalidOid || node == NULL) @@ -605,3 +606,32 @@ PreferredType(CATEGORY category, Oid type) } return result; } /* PreferredType() */ + + +/* + * If the targetTypeId is a domain, we really want to coerce + * the tuple to the domain type -- not the domain itself + */ +Oid +getBaseType(Oid inType) +{ + HeapTuple tup; + Form_pg_type typTup; + + tup = SearchSysCache(TYPEOID, + ObjectIdGetDatum(inType), + 0, 0, 0); + + typTup = ((Form_pg_type) GETSTRUCT(tup)); + + /* + * Assume that typbasetype exists and is a base type, where inType + * was a domain + */ + if (typTup->typtype == 'd') + inType = typTup->typbasetype; + + ReleaseSysCache(tup); + + return inType; +}
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