diff options
Diffstat (limited to 'src/backend/parser/parse_coerce.c')
| -rw-r--r-- | src/backend/parser/parse_coerce.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c index a481ecfa0a0..17b06faf4b5 100644 --- a/src/backend/parser/parse_coerce.c +++ b/src/backend/parser/parse_coerce.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.15 1999/05/22 04:12:26 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.16 1999/05/25 16:10:15 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -28,7 +28,7 @@ Oid DemoteType(Oid inType); Oid PromoteTypeToNext(Oid inType); -static Oid PreferredType(CATEGORY category, Oid type); +static Oid PreferredType(CATEGORY category, Oid type); /* coerce_type() @@ -36,7 +36,7 @@ static Oid PreferredType(CATEGORY category, Oid type); */ Node * coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId, - int32 atttypmod) + int32 atttypmod) { Node *result = NULL; Oid infunc; @@ -60,6 +60,7 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId, */ else if (inputTypeId != UNKNOWNOID) { + /* * We already know there is a function which will do this, so * let's use it @@ -77,22 +78,22 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId, { Const *con = (Const *) node; - val = (Datum) textout((struct varlena *)con->constvalue); + val = (Datum) textout((struct varlena *) con->constvalue); infunc = typeidInfunc(targetTypeId); con = makeNode(Const); con->consttype = targetTypeId; con->constlen = typeLen(typeidType(targetTypeId)); /* - * 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. + * 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), - (targetTypeId != BPCHAROID) ? -1 : atttypmod); + typeidTypElem(targetTypeId), + (targetTypeId != BPCHAROID) ? -1 : atttypmod); con->constisnull = false; con->constbyval = typeByVal(typeidType(targetTypeId)); con->constisset = false; @@ -150,6 +151,7 @@ can_coerce_type(int nargs, Oid *input_typeids, Oid *func_typeids) /* don't know what to do for the input type? then quit... */ else if (input_typeids[i] == InvalidOid) return false; + /* * if not unknown input type, try for explicit conversion * using functions... @@ -298,7 +300,7 @@ PreferredType(CATEGORY category, Oid type) case (NETWORK_TYPE): result = INETOID; break; - + case (GEOMETRIC_TYPE): case (USER_TYPE): result = type; |