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Fix for DEFAULT ''.

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This commit is contained in:
Bruce Momjian
1999-05-22 04:12:29 +00:00
parent 9710995fc9
commit a8d2820e6d
8 changed files with 40 additions and 45 deletions
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18
src/backend/parser/parse_coerce.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.14 1999/05/22 02:55:57 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.15 1999/05/22 04:12:26 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -35,7 +35,8 @@ static Oid PreferredType(CATEGORY category, Oid type);
* Convert a function argument to a different type.
*/
Node *
coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId)
coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId,
int32 atttypmod)
{
Node *result = NULL;
Oid infunc;
@ -82,11 +83,16 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId)
con->consttype = targetTypeId;
con->constlen = typeLen(typeidType(targetTypeId));
/* use "-1" for varchar() type */
/*
* Use "-1" for varchar() type.
* For char(), we need to pad out the type with the proper
* number of spaces. This was a major problem for
* DEFAULT string constants to char() types.
*/
con->constvalue = (Datum) fmgr(infunc,
val,
typeidTypElem(targetTypeId),
-1);
(targetTypeId != BPCHAROID) ? -1 : atttypmod);
con->constisnull = false;
con->constbyval = typeByVal(typeidType(targetTypeId));
con->constisset = false;
@ -100,7 +106,7 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId)
result = node;
return result;
} /* coerce_type() */
}
/* can_coerce_type()
@ -178,7 +184,7 @@ can_coerce_type(int nargs, Oid *input_typeids, Oid *func_typeids)
}
return true;
} /* can_coerce_type() */
}
/* TypeCategory()