| /*------------------------------------------------------------------------- |
| * |
| * lsyscache.h |
| * Convenience routines for common queries in the system catalog cache. |
| * |
| * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.133 2010/04/24 16:20:32 sriggs Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef LSYSCACHE_H |
| #define LSYSCACHE_H |
| |
| #include "access/attnum.h" |
| #include "access/htup.h" |
| #include "catalog/gp_policy.h" |
| #include "nodes/pg_list.h" |
| #include "utils/relcache.h" |
| |
| /* I/O function selector for get_type_io_data */ |
| typedef enum IOFuncSelector |
| { |
| IOFunc_input, |
| IOFunc_output, |
| IOFunc_receive, |
| IOFunc_send |
| } IOFuncSelector; |
| |
| /* comparison types */ |
| typedef enum CmpType |
| { |
| CmptEq, // equality |
| CmptNEq, // inequality |
| CmptLT, // less than |
| CmptLEq, // less or equal to |
| CmptGT, // greater than |
| CmptGEq, // greater or equal to |
| CmptOther // other operator |
| } CmpType; |
| |
| 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 void get_op_btree_interpretation(Oid opno, |
| List **opclasses, List **opstrats); |
| extern Oid get_opclass_proc(Oid opclass, Oid subtype, int16 procnum); |
| extern char *get_attname(Oid relid, AttrNumber attnum); |
| 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 int32 get_atttypmod(Oid relid, AttrNumber attnum); |
| 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 bool opclass_is_default(Oid opclass); |
| extern Oid get_opclass_input_type(Oid opclass); |
| extern RegProcedure get_opcode(Oid opno); |
| extern char *get_opname(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_trigger_name(Oid triggerid); |
| extern Oid get_trigger_relid(Oid triggerid); |
| extern Oid get_trigger_funcid(Oid triggerid); |
| extern int32 get_trigger_type(Oid triggerid); |
| extern bool trigger_enabled(Oid triggerid); |
| extern char *get_func_name(Oid funcid); |
| extern Oid get_func_namespace(Oid funcid); |
| extern Oid get_func_rettype(Oid funcid); |
| extern void pfree_ptr_array(char **ptrarray, int nelements); |
| extern List *get_func_output_arg_types(Oid funcid); |
| extern List *get_func_arg_types(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 char func_data_access(Oid funcid); |
| extern Oid get_agg_transtype(Oid aggid); |
| extern bool is_agg_ordered(Oid aggid); |
| extern bool has_agg_prelimfunc(Oid aggid); |
| extern bool agg_has_prelim_or_invprelim_func(Oid aggid); |
| extern Oid get_relname_relid(const char *relname, Oid relnamespace); |
| extern int get_relnatts(Oid relid); |
| extern char *get_rel_name(Oid relid); |
| extern char *get_rel_name_partition(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 float4 get_rel_reltuples(Oid relid); |
| extern char get_rel_relstorage(Oid relid); |
| extern Oid get_rel_tablespace(Oid relid); |
| extern char *get_type_name(Oid typid); |
| 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 Node *get_typdefault(Oid typid); |
| extern char get_typtype(Oid typid); |
| extern bool type_is_rowtype(Oid typid); |
| extern bool type_is_basetype(Oid typid); |
| extern Oid get_typ_typrelid(Oid typid); |
| extern Oid get_element_type(Oid typid); |
| extern Oid get_array_type(Oid typid); |
| extern Oid get_base_element_type(Oid typid); |
| extern void getTypeInputInfo(Oid type, Oid *typInput, Oid *typIOParam); |
| extern void getTypeOutputInfo(Oid type, Oid *typOutput, bool *typIsVarlena); |
| extern void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam); |
| extern void getTypeBinaryOutputInfo(Oid type, Oid *typSend, bool *typIsVarlena); |
| extern Oid getBaseType(Oid typid); |
| extern Oid getBaseTypeAndTypmod(Oid typid, int32 *typmod); |
| extern int32 get_typavgwidth(Oid typid, int32 typmod); |
| extern int32 get_attavgwidth(Oid relid, AttrNumber attnum); |
| extern float4 get_attdistinct(Oid relid, AttrNumber attnum); |
| extern HeapTuple get_att_stats(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 Oid get_namespace_oid(const char* npname); |
| extern Oid get_roleid(const char *rolname); |
| extern char *get_rolname(Oid roleid); |
| extern char get_relation_storage_type(Oid relid); |
| extern Oid get_roleid_checked(const char *rolname); |
| |
| extern List *relation_oids(void); |
| extern List *operator_oids(void); |
| extern List *function_oids(void); |
| extern bool relation_exists(Oid oid); |
| extern bool index_exists(Oid oid); |
| extern bool type_exists(Oid oid); |
| extern bool function_exists(Oid oid); |
| extern bool operator_exists(Oid oid); |
| extern bool aggregate_exists(Oid oid); |
| extern Oid get_aggregate(const char *aggname, Oid oidType); |
| extern List *get_relation_keys(Oid relid); |
| extern bool attname_exists(Oid relid, const char *attname); |
| extern bool trigger_exists(Oid oid); |
| |
| extern bool check_constraint_exists(Oid oidCheckconstraint); |
| extern List *get_check_constraint_oids(Oid relid); |
| extern char *get_check_constraint_name(Oid oidCheckconstraint); |
| extern Node *get_check_constraint_expr_tree(Oid oidCheckconstraint); |
| Oid get_check_constraint_relid(Oid oidCheckconstraint); |
| |
| extern bool has_subclass_fast(Oid relationId); |
| extern bool has_subclass(Oid relationId); |
| extern bool has_parquet_children(Oid relationId); |
| extern GpPolicy *relation_policy(Relation rel); |
| extern bool child_distribution_mismatch(Relation rel); |
| extern bool child_triggers(Oid relationId, int32 triggerType); |
| |
| extern bool get_cast_func(Oid oidSrc, Oid oidDest, bool *is_binary_coercible, Oid *oidCastFunc); |
| |
| extern Oid get_comparison_operator(Oid oidLeft, Oid oidRight, CmpType cmpt); |
| extern CmpType get_comparison_type(Oid oidOp, Oid oidLeft, Oid oidRight); |
| extern List *find_all_inheritors(Oid parentrel); |
| |
| extern List *get_operator_opclasses(Oid opno); |
| extern List *get_index_opclasses(Oid oidIndex); |
| |
| #define is_array_type(typid) (get_element_type(typid) != InvalidOid) |
| |
| #define TypeIsToastable(typid) (get_typstorage(typid) != 'p') |
| |
| #endif /* LSYSCACHE_H */ |
