diff options
Diffstat (limited to 'src/include/parser/parse_coerce.h')
| -rw-r--r-- | src/include/parser/parse_coerce.h | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/include/parser/parse_coerce.h b/src/include/parser/parse_coerce.h index 152ade0e9bd..61a63cafeb4 100644 --- a/src/include/parser/parse_coerce.h +++ b/src/include/parser/parse_coerce.h @@ -1,13 +1,13 @@ /*------------------------------------------------------------------------- * * parse_coerce.h - * * Routines for type coercion. * + * * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parse_coerce.h,v 1.46 2002/09/04 20:31:45 momjian Exp $ + * $Id: parse_coerce.h,v 1.47 2002/09/18 21:35:24 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -29,29 +29,31 @@ typedef enum CATEGORY TIMESPAN_TYPE, GEOMETRIC_TYPE, NETWORK_TYPE, - USER_TYPE, - MIXED_TYPE + USER_TYPE } CATEGORY; -extern bool IsBinaryCompatible(Oid type1, Oid type2); +extern bool IsBinaryCoercible(Oid srctype, Oid targettype); extern bool IsPreferredType(CATEGORY category, Oid type); extern CATEGORY TypeCategory(Oid type); -extern bool can_coerce_type(int nargs, Oid *input_typeids, Oid *func_typeids, - bool isExplicit); -extern Node *coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, - Oid targetTypeId, int32 atttypmod, bool isExplicit); -extern Node *coerce_type_typmod(ParseState *pstate, Node *node, - Oid targetTypeId, int32 atttypmod); -extern Node *coerce_type_constraints(ParseState *pstate, Node *arg, - Oid typeId, bool applyTypmod); +extern Node *coerce_to_target_type(Node *expr, Oid exprtype, + Oid targettype, int32 targettypmod, + CoercionContext ccontext, + CoercionForm cformat); +extern bool can_coerce_type(int nargs, Oid *input_typeids, Oid *target_typeids, + CoercionContext ccontext); +extern Node *coerce_type(Node *node, Oid inputTypeId, Oid targetTypeId, + CoercionContext ccontext, CoercionForm cformat); +extern Node *coerce_type_constraints(Node *arg, Oid typeId, + CoercionForm cformat); extern Node *coerce_to_boolean(Node *node, const char *constructName); extern Oid select_common_type(List *typeids, const char *context); -extern Node *coerce_to_common_type(ParseState *pstate, Node *node, - Oid targetTypeId, +extern Node *coerce_to_common_type(Node *node, Oid targetTypeId, const char *context); +extern Oid find_typmod_coercion_function(Oid typeId, int *nargs); + #endif /* PARSE_COERCE_H */ |