298 lines
15 KiB
C
298 lines
15 KiB
C
/* -------------------------------------------------------------------------
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*
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* lsyscache.h
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* Convenience routines for common queries in the system catalog cache.
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*
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/utils/lsyscache.h
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef LSYSCACHE_H
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#define LSYSCACHE_H
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#include "access/htup.h"
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#include "nodes/primnodes.h"
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#include "catalog/pg_resource_pool.h"
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#include "catalog/pg_workload_group.h"
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#include "catalog/pg_app_workloadgroup_mapping.h"
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#include "catalog/pgxc_node.h"
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/* Result list element for get_op_btree_interpretation */
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typedef struct OpBtreeInterpretation {
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Oid opfamily_id; /* btree opfamily containing operator */
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int strategy; /* its strategy number */
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Oid oplefttype; /* declared left input datatype */
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Oid oprighttype; /* declared right input datatype */
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} OpBtreeInterpretation;
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/* I/O function selector for get_type_io_data */
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typedef enum IOFuncSelector { IOFunc_input, IOFunc_output, IOFunc_receive, IOFunc_send } IOFuncSelector;
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extern bool op_in_opfamily(Oid opno, Oid opfamily);
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extern int get_op_opfamily_strategy(Oid opno, Oid opfamily);
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extern Oid get_op_opfamily_sortfamily(Oid opno, Oid opfamily);
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extern void get_op_opfamily_properties(
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Oid opno, Oid opfamily, bool ordering_op, int* strategy, Oid* lefttype, Oid* righttype);
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extern Oid get_opfamily_member(Oid opfamily, Oid lefttype, Oid righttype, int16 strategy);
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extern bool get_ordering_op_properties(Oid opno, Oid* opfamily, Oid* opcintype, int16* strategy);
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extern bool get_compare_function_for_ordering_op(Oid opno, Oid* cmpfunc, bool* reverse);
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extern bool get_sort_function_for_ordering_op(Oid opno, Oid* sortfunc, bool* issupport, bool* reverse);
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extern Oid get_equality_op_for_ordering_op(Oid opno, bool* reverse);
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extern Oid get_ordering_op_for_equality_op(Oid opno, bool use_lhs_type);
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extern List* get_mergejoin_opfamilies(Oid opno);
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extern bool get_compatible_hash_operators(Oid opno, Oid* lhs_opno, Oid* rhs_opno);
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extern bool get_op_hash_functions(Oid opno, RegProcedure* lhs_procno, RegProcedure* rhs_procno);
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extern List* get_op_btree_interpretation(Oid opno);
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extern bool equality_ops_are_compatible(Oid opno1, Oid opno2);
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extern Oid get_opfamily_proc(Oid opfamily, Oid lefttype, Oid righttype, int16 procnum);
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extern char* get_attname(Oid relid, AttrNumber attnum);
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extern int get_kvtype(Oid relid, AttrNumber attnum);
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extern char* get_relid_attribute_name(Oid relid, AttrNumber attnum);
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extern AttrNumber get_attnum(Oid relid, const char* attname);
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extern char GetGenerated(Oid relid, AttrNumber attnum);
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extern Oid get_atttype(Oid relid, AttrNumber attnum);
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extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
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extern void get_atttypetypmodcoll(Oid relid, AttrNumber attnum, Oid* typid, int32* typmod, Oid* collid);
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extern char* get_collation_name(Oid colloid);
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extern char* get_constraint_name(Oid conoid);
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extern Oid get_opclass_family(Oid opclass);
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extern Oid get_opclass_input_type(Oid opclass);
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extern RegProcedure get_opcode(Oid opno);
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extern char* get_opname(Oid opno);
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extern void op_input_types(Oid opno, Oid* lefttype, Oid* righttype);
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extern bool op_mergejoinable(Oid opno, Oid inputtype);
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extern bool op_hashjoinable(Oid opno, Oid inputtype);
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extern bool op_strict(Oid opno);
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extern char op_volatile(Oid opno);
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extern Oid get_commutator(Oid opno);
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extern Oid get_equal(Oid opno);
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extern Oid get_negator(Oid opno);
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extern RegProcedure get_oprrest(Oid opno);
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extern RegProcedure get_oprjoin(Oid opno);
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extern char* get_func_name(Oid funcid);
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extern Oid get_func_namespace(Oid funcid);
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extern Oid get_func_rettype(Oid funcid);
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extern int get_func_nargs(Oid funcid);
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extern Oid get_func_signature(Oid funcid, Oid** argtypes, int* nargs);
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extern Oid get_func_variadictype(Oid funcid);
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extern bool get_func_retset(Oid funcid);
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extern bool func_strict(Oid funcid);
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extern char func_volatile(Oid funcid);
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extern char* get_func_langname(Oid funcid);
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extern bool get_func_proshippable(Oid funcid);
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extern bool get_func_leakproof(Oid funcid);
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extern float4 get_func_cost(Oid funcid);
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extern float4 get_func_rows(Oid funcid);
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extern Oid get_func_lang(Oid funcid);
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extern Oid get_relname_relid(const char* relname, Oid relnamespace);
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extern char* get_relname_relid_extend(
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const char* relname, Oid relnamespace, Oid* relOid, bool isSupportSynonym, Oid* refSynOid);
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#ifdef PGXC
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extern int get_relnatts(Oid relid);
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#endif
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extern char* get_rel_name(Oid relid);
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extern char* getPartitionName(Oid partid, bool missing_ok);
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extern Oid get_rel_namespace(Oid relid);
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extern char get_rel_persistence(Oid relid);
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extern bool is_sys_table(Oid relid);
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extern Oid get_rel_type_id(Oid relid);
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extern char get_rel_relkind(Oid relid);
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extern Oid get_rel_tablespace(Oid relid);
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extern bool get_typisdefined(Oid typid);
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extern int16 get_typlen(Oid typid);
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extern bool get_typbyval(Oid typid);
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extern void get_typlenbyval(Oid typid, int16* typlen, bool* typbyval);
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extern void get_typlenbyvalalign(Oid typid, int16* typlen, bool* typbyval, char* typalign);
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extern Oid getTypeIOParam(HeapTuple typeTuple);
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extern void get_type_io_data(Oid typid, IOFuncSelector which_func, int16* typlen, bool* typbyval, char* typalign,
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char* typdelim, Oid* typioparam, Oid* func);
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extern char get_typstorage(Oid typid);
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extern Node* get_typdefault(Oid typid);
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extern char get_typtype(Oid typid);
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extern bool type_is_rowtype(Oid typid);
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extern bool type_is_enum(Oid typid);
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extern bool type_is_range(Oid typid);
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extern bool type_is_set(Oid typid);
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extern void get_type_category_preferred(Oid typid, char* typcategory, bool* typispreferred);
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extern Oid get_typ_typrelid(Oid typid);
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extern Oid get_element_type(Oid typid);
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extern Oid get_array_type(Oid typid);
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extern Oid get_base_element_type(Oid typid);
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extern void getTypeInputInfo(Oid type, Oid* typInput, Oid* typIOParam);
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extern void getTypeOutputInfo(Oid type, Oid* typOutput, bool* typIsVarlena);
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extern void getTypeBinaryInputInfo(Oid type, Oid* typReceive, Oid* typIOParam);
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extern void getTypeBinaryOutputInfo(Oid type, Oid* typSend, bool* typIsVarlena);
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extern Oid get_typmodin(Oid typid);
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extern Oid get_typcollation(Oid typid);
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extern bool type_is_collatable(Oid typid);
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extern Oid getBaseType(Oid typid);
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extern Oid getBaseTypeAndTypmod(Oid typid, int32* typmod);
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#ifdef PGXC
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extern char* get_cfgname(Oid cfgid);
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extern char* get_typename(Oid typid);
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extern char* get_enumlabelname(Oid enumlabelid);
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extern char* get_exprtypename(Oid enumlabelid);
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extern char* get_typename_with_namespace(Oid typid);
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extern Oid get_typeoid_with_namespace(const char* typname);
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extern char* get_pgxc_nodename(Oid nodeoid, NameData* namedata = NULL);
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extern char* get_pgxc_nodename_noexcept(Oid nodeoid, NameData *nodename = NULL);
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extern Oid get_pgxc_nodeoid(const char* nodename);
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extern Oid get_pgxc_datanodeoid(const char* nodename, bool missingOK);
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extern bool check_pgxc_node_name_is_exist(
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const char* nodename, const char* host, int port, int comm_sctp_port, int comm_control_port);
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extern Oid get_pgxc_primary_datanode_oid(Oid nodeoid);
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extern char* get_pgxc_node_name_by_node_id(int4 node_id, bool handle_error = true);
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extern uint32 get_pgxc_node_id(Oid nodeid);
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extern void get_node_info(const char* nodename, bool* node_is_ccn, ItemPointer tuple_pos);
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extern bool is_pgxc_central_nodeid(Oid nodeid);
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extern bool is_pgxc_central_nodename(const char*);
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extern Oid get_pgxc_central_nodeid(void);
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extern char get_pgxc_nodetype(Oid nodeid);
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extern char get_pgxc_nodetype_refresh_cache(Oid nodeid);
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extern int get_pgxc_nodeport(Oid nodeid);
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extern int get_pgxc_nodesctpport(Oid nodeid);
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extern int get_pgxc_nodestrmctlport(Oid nodeid);
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extern char* get_pgxc_nodehost(Oid nodeid);
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extern int get_pgxc_nodeport1(Oid nodeid);
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extern int get_pgxc_nodesctpport1(Oid nodeid);
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extern int get_pgxc_nodestrmctlport1(Oid nodeid);
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extern char* get_pgxc_groupname(Oid groupoid, char* groupname = NULL);
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extern char* get_pgxc_nodehost1(Oid nodeid);
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extern char* get_pgxc_node_formdata(const char* nodename);
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extern bool is_pgxc_nodepreferred(Oid nodeid);
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extern bool is_pgxc_nodeprimary(Oid nodeid);
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extern bool is_pgxc_nodeactive(Oid nodeid);
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extern bool is_pgxc_hostprimary(Oid nodeid);
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extern bool node_check_host(const char* host, Oid nodeid);
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extern Oid get_pgxc_groupoid(const char* groupname, bool missing_ok = true);
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extern char get_pgxc_groupkind(Oid group_oid);
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extern char* get_pgxc_groupparent(Oid group_oid);
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extern int get_pgxc_group_bucketcnt(Oid group_oid);
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extern bool is_pgxc_group_bucketcnt_exists(Oid parentOid, int bucketCnt, char **groupName, Oid *groupOid);
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extern int get_pgxc_groupmembers(Oid groupid, Oid** members);
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extern int get_pgxc_groupmembers_redist(Oid groupid, Oid** members);
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extern char get_pgxc_group_redistributionstatus(Oid groupid);
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extern DistributeBy* getTableDistribution(Oid srcRelid);
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extern DistributeBy* getTableHBucketDistribution(Relation rel);
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extern int get_pgxc_classnodes(Oid tableid, Oid** nodes);
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extern Oid get_pgxc_class_groupoid(Oid tableoid);
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extern Oid get_resource_pool_oid(const char* poolname);
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extern char* get_resource_pool_name(Oid poolid);
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extern Form_pg_resource_pool get_resource_pool_param(Oid poolid, Form_pg_resource_pool rp);
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extern char* get_resource_pool_ngname(Oid poolid);
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extern bool is_resource_pool_foreign(Oid poolid);
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extern Oid get_workload_group_oid(const char* groupname);
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extern char* get_workload_group_name(Oid groupid);
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extern Oid get_application_mapping_oid(const char* appname);
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extern char* get_application_mapping_name(Oid appoid);
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#endif
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extern int32 get_typavgwidth(Oid typid, int32 typmod);
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extern int32 get_attavgwidth(Oid relid, AttrNumber attnum, bool ispartition);
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extern bool get_attstatsslot(HeapTuple statstuple, Oid atttype, int32 atttypmod, int reqkind, Oid reqop, Oid* actualop,
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Datum** values, int* nvalues, float4** numbers, int* nnumbers);
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extern bool get_attmultistatsslot(HeapTuple statstuple, Oid atttype, int32 atttypmod, int reqkind, Oid reqop,
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Oid* actualop, Datum** values, int* nvalues, float4** numbers, int* nnumbers, bool** nulls = NULL);
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extern double get_attstadndistinct(HeapTuple statstuple);
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extern void free_attstatsslot(Oid atttype, Datum* values, int nvalues, float4* numbers, int nnumbers);
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extern char* get_namespace_name(Oid nspid);
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extern char* get_namespace_name_or_temp(Oid nspid);
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extern Oid get_range_subtype(Oid rangeOid);
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extern char* get_cfgnamespace(Oid cfgid);
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extern char* get_typenamespace(Oid typid);
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extern char* get_enumtypenamespace(Oid enumlabelid);
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extern Oid get_typeoid(Oid namespaceId, const char* typname);
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extern Oid get_enumlabeloid(Oid enumtypoid, const char* enumlabelname);
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extern Oid get_operator_oid(const char* operatorName, Oid operatorNamespace, Oid leftObjectId, Oid rightObjectId);
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extern void get_oper_name_namespace_oprs(Oid operid, char** oprname, char** nspname, Oid* oprleft, Oid* oprright);
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extern Oid get_func_oid(const char* funcname, Oid funcnamespace, Expr* expr);
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extern Oid get_func_oid_ext(const char* funcname, Oid funcnamespace, Oid funcrettype, int funcnargs, Oid* funcargstype);
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extern Oid get_my_temp_schema();
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extern bool check_rel_is_partitioned(Oid relid);
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extern Oid partid_get_parentid(Oid partid);
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extern bool is_not_strict_agg(Oid funcOid);
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extern bool is_pgxc_class_table(Oid tableoid);
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extern Oid get_valid_relname_relid(const char* relnamespace, const char* relname, bool nsp_missing_ok = false);
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extern bool get_func_iswindow(Oid funcid);
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extern char get_func_prokind(Oid funcid);
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extern char get_typecategory(Oid typid);
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#ifdef USE_SPQ
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/* comparison types */
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typedef enum SPQCmpType {
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CmptEq, // equality
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CmptNEq, // inequality
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CmptLT, // less than
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CmptLEq, // less or equal to
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CmptGT, // greater than
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CmptGEq, // greater or equal to
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CmptOther // other operator
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} SPQCmpType;
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#define ATTSTATSSLOT_VALUES 0x01
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#define ATTSTATSSLOT_NUMBERS 0x02
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/* Result struct for get_attstatsslot */
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typedef struct AttStatsSlot {
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/* Always filled: */
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Oid staop; /* Actual staop for the found slot */
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Oid stacoll; /* Actual collation for the found slot */
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/* Filled if ATTSTATSSLOT_VALUES is specified: */
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Oid valuetype; /* Actual datatype of the values */
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Datum *values; /* slot's "values" array, or NULL if none */
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int nvalues; /* length of values[], or 0 */
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/* Filled if ATTSTATSSLOT_NUMBERS is specified: */
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float4 *numbers; /* slot's "numbers" array, or NULL if none */
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int nnumbers; /* length of numbers[], or 0 */
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/* Remaining fields are private to get_attstatsslot/free_attstatsslot */
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void *values_arr; /* palloc'd values array, if any */
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void *numbers_arr; /* palloc'd numbers array, if any */
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} AttStatsSlot;
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extern Oid get_compatible_hash_opfamily(Oid opno);
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extern Oid get_compatible_legacy_hash_opfamily(Oid opno);
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extern void MemoryContextDeclareAccountingRoot(MemoryContext context);
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extern Oid get_agg_transtype(Oid aggid);
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extern bool is_agg_ordered(Oid aggid);
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extern bool is_agg_partial_capable(Oid aggid);
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extern List *get_func_output_arg_types(Oid funcid);
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extern List *get_func_arg_types(Oid funcid);
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extern char func_data_access(Oid funcid);
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extern char func_exec_location(Oid funcid);
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extern bool index_exists(Oid oid);
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extern bool aggregate_exists(Oid oid);
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extern Oid get_aggregate(const char *aggname, Oid oidType);
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extern bool function_exists(Oid oid);
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extern bool check_constraint_exists(Oid oidCheckconstraint);
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extern char *get_check_constraint_name(Oid oidCheckconstraint);
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extern Oid get_check_constraint_relid(Oid oidCheckconstraint);
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extern List *get_check_constraint_oids(Oid oidRel);
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extern Node *get_check_constraint_expr_tree(Oid oidCheckconstraint);
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extern bool operator_exists(Oid oid);
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extern bool relation_exists(Oid oid);
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extern bool type_exists(Oid oid);
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extern SPQCmpType get_comparison_type(Oid oidOp);
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extern Oid get_comparison_operator(Oid oidLeft, Oid oidRight, SPQCmpType cmpt);
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extern bool has_subclass_slow(Oid relationId);
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extern List *get_operator_opfamilies(Oid opno);
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extern List *get_index_opfamilies(Oid oidIndex);
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extern bool relation_is_partitioned(Oid oid);
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extern bool index_is_partitioned(Oid oid);
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extern bool has_update_triggers(Oid relid);
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extern bool spq_get_attstatsslot(AttStatsSlot *sslot, HeapTuple statstuple, int reqkind, Oid reqop, int flags);
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extern void spq_free_attstatsslot(AttStatsSlot *sslot);
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extern char * get_type_name(Oid typid);
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extern int32 get_trigger_type(Oid triggerid);
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extern HeapTuple get_att_stats(Oid relid, AttrNumber attrnum);
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#endif
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#define type_is_array(typid) (get_element_type(typid) != InvalidOid)
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/* type_is_array_domain accepts both plain arrays and domains over arrays */
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#define type_is_array_domain(typid) (get_base_element_type(typid) != InvalidOid)
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#define TypeIsToastable(typid) (get_typstorage(typid) != 'p')
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#endif /* LSYSCACHE_H */
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