* lsyscache.h
* Convenience routines for common queries in the system catalog cache.
*
- * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Id: lsyscache.h,v 1.30 2001/03/22 04:01:13 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.97 2005/04/11 23:06:56 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#include "access/htup.h"
-extern bool op_class(Oid opno, Oid opclass, Oid amopid);
+/* I/O function selector for get_type_io_data */
+typedef enum IOFuncSelector
+{
+ IOFunc_input,
+ IOFunc_output,
+ IOFunc_receive,
+ IOFunc_send
+} IOFuncSelector;
+
+extern bool op_in_opclass(Oid opno, Oid opclass);
+extern int get_op_opclass_strategy(Oid opno, Oid opclass);
+extern void get_op_opclass_properties(Oid opno, Oid opclass,
+ int *strategy, Oid *subtype,
+ bool *recheck);
+extern Oid get_opclass_member(Oid opclass, Oid subtype, int16 strategy);
+extern Oid get_op_hash_function(Oid opno);
+extern Oid get_opclass_proc(Oid opclass, Oid subtype, int16 procnum);
extern char *get_attname(Oid relid, AttrNumber attnum);
-extern AttrNumber get_attnum(Oid relid, char *attname);
+extern char *get_relid_attribute_name(Oid relid, AttrNumber attnum);
+extern AttrNumber get_attnum(Oid relid, const char *attname);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
-extern bool get_attisset(Oid relid, char *attname);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
-extern double get_attdispersion(Oid relid, AttrNumber attnum,
- double min_estimate);
+extern void get_atttypetypmod(Oid relid, AttrNumber attnum,
+ Oid *typid, int32 *typmod);
+extern bool opclass_is_btree(Oid opclass);
+extern bool opclass_is_hash(Oid opclass);
extern RegProcedure get_opcode(Oid opno);
extern char *get_opname(Oid opno);
-extern bool op_mergejoinable(Oid opno, Oid ltype, Oid rtype,
- Oid *leftOp, Oid *rightOp);
-extern Oid op_hashjoinable(Oid opno, Oid ltype, Oid rtype);
-extern bool op_iscachable(Oid opno);
+extern void op_input_types(Oid opno, Oid *lefttype, Oid *righttype);
+extern bool op_mergejoinable(Oid opno, Oid *leftOp, Oid *rightOp);
+extern void op_mergejoin_crossops(Oid opno, Oid *ltop, Oid *gtop,
+ RegProcedure *ltproc, RegProcedure *gtproc);
+extern bool op_hashjoinable(Oid opno);
+extern bool op_strict(Oid opno);
+extern char op_volatile(Oid opno);
extern Oid get_commutator(Oid opno);
extern Oid get_negator(Oid opno);
extern RegProcedure get_oprrest(Oid opno);
extern RegProcedure get_oprjoin(Oid opno);
+extern char *get_func_name(Oid funcid);
extern Oid get_func_rettype(Oid funcid);
-extern bool func_iscachable(Oid funcid);
+extern int get_func_nargs(Oid funcid);
+extern Oid get_func_signature(Oid funcid, Oid **argtypes, int *nargs);
+extern bool get_func_retset(Oid funcid);
+extern bool func_strict(Oid funcid);
+extern char func_volatile(Oid funcid);
+extern Oid get_relname_relid(const char *relname, Oid relnamespace);
+extern Oid get_system_catalog_relid(const char *catname);
extern char *get_rel_name(Oid relid);
+extern Oid get_rel_namespace(Oid relid);
+extern Oid get_rel_type_id(Oid relid);
+extern char get_rel_relkind(Oid relid);
+extern bool get_typisdefined(Oid typid);
extern int16 get_typlen(Oid typid);
extern bool get_typbyval(Oid typid);
extern void get_typlenbyval(Oid typid, int16 *typlen, bool *typbyval);
+extern void get_typlenbyvalalign(Oid typid, int16 *typlen, bool *typbyval,
+ char *typalign);
+extern Oid getTypeIOParam(HeapTuple typeTuple);
+extern void get_type_io_data(Oid typid,
+ IOFuncSelector which_func,
+ int16 *typlen,
+ bool *typbyval,
+ char *typalign,
+ char *typdelim,
+ Oid *typioparam,
+ Oid *func);
extern char get_typstorage(Oid typid);
-extern Datum get_typdefault(Oid typid);
+extern int32 get_typtypmod(Oid typid);
+extern Node *get_typdefault(Oid typid);
+extern char get_typtype(Oid typid);
+extern Oid get_typ_typrelid(Oid typid);
+extern Oid get_element_type(Oid typid);
+extern Oid get_array_type(Oid typid);
+extern void getTypeInputInfo(Oid type, Oid *typInput, Oid *typIOParam);
+extern void getTypeOutputInfo(Oid type, Oid *typOutput, Oid *typIOParam,
+ bool *typIsVarlena);
+extern void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam);
+extern void getTypeBinaryOutputInfo(Oid type, Oid *typSend, Oid *typIOParam,
+ bool *typIsVarlena);
+extern Oid getBaseType(Oid typid);
+extern int32 get_typavgwidth(Oid typid, int32 typmod);
+extern int32 get_attavgwidth(Oid relid, AttrNumber attnum);
+extern bool get_attstatsslot(HeapTuple statstuple,
+ Oid atttype, int32 atttypmod,
+ int reqkind, Oid reqop,
+ Datum **values, int *nvalues,
+ float4 **numbers, int *nnumbers);
+extern void free_attstatsslot(Oid atttype,
+ Datum *values, int nvalues,
+ float4 *numbers, int nnumbers);
+extern char *get_namespace_name(Oid nspid);
+extern AclId get_usesysid(const char *username);
+extern AclId get_grosysid(char *groname);
+
+#define is_array_type(typid) (get_element_type(typid) != InvalidOid)
#define TypeIsToastable(typid) (get_typstorage(typid) != 'p')
-#endif /* LSYSCACHE_H */
+#endif /* LSYSCACHE_H */