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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-12-30 21:21:56 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-12-30 21:21:56 +0000 |
| commit | 5725b9d9afc8c3ba24e94cbc7020889fe8ad7ef9 (patch) | |
| tree | e1c8a77dbb660fa0de36528f19dc4f3cb81829d2 /src/backend/parser/parse_expr.c | |
| parent | 24b1f14eae0b83ef5d6b269ebf1ecae2f3acbb8c (diff) | |
| download | postgresql-5725b9d9afc8c3ba24e94cbc7020889fe8ad7ef9.tar.gz postgresql-5725b9d9afc8c3ba24e94cbc7020889fe8ad7ef9.zip | |
Support type modifiers for user-defined types, and pull most knowledge
about typmod representation for standard types out into type-specific
typmod I/O functions. Teodor Sigaev, with some editorialization by
Tom Lane.
Diffstat (limited to 'src/backend/parser/parse_expr.c')
| -rw-r--r-- | src/backend/parser/parse_expr.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c index 7dbbb9a33a8..383013c9a10 100644 --- a/src/backend/parser/parse_expr.c +++ b/src/backend/parser/parse_expr.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.202 2006/12/24 00:29:19 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.203 2006/12/30 21:21:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1810,29 +1810,6 @@ exprTypmod(Node *expr) { case T_Var: return ((Var *) expr)->vartypmod; - case T_Const: - { - /* Be smart about string constants... */ - Const *con = (Const *) expr; - - switch (con->consttype) - { - case BPCHAROID: - if (!con->constisnull) - { - int32 len = VARSIZE(DatumGetPointer(con->constvalue)) - VARHDRSZ; - - /* if multi-byte, take len and find # characters */ - if (pg_database_encoding_max_length() > 1) - len = pg_mbstrlen_with_len(VARDATA(DatumGetPointer(con->constvalue)), len); - return len + VARHDRSZ; - } - break; - default: - break; - } - } - break; case T_Param: return ((Param *) expr)->paramtypmod; case T_FuncExpr: @@ -2024,14 +2001,16 @@ typecast_expression(ParseState *pstate, Node *expr, TypeName *typename) { Oid inputType = exprType(expr); Oid targetType; + int32 targetTypmod; targetType = typenameTypeId(pstate, typename); + targetTypmod = typenameTypeMod(pstate, typename, targetType); if (inputType == InvalidOid) return expr; /* do nothing if NULL input */ expr = coerce_to_target_type(pstate, expr, inputType, - targetType, typename->typmod, + targetType, targetTypmod, COERCION_EXPLICIT, COERCE_EXPLICIT_CAST); if (expr == NULL) |