Files
openGauss-server/src/include/executor/functions.h
2021-09-23 15:19:37 +08:00

52 lines
2.0 KiB
C
Executable File

/* -------------------------------------------------------------------------
*
* functions.h
* Declarations for execution of SQL-language functions.
*
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/functions.h
*
* -------------------------------------------------------------------------
*/
#ifndef FUNCTIONS_H
#define FUNCTIONS_H
#include "nodes/execnodes.h"
#include "tcop/dest.h"
/* This struct is known only within executor/functions.c */
typedef struct SQLFunctionParseInfo* SQLFunctionParseInfoPtr;
extern Datum fmgr_sql(PG_FUNCTION_ARGS);
extern SQLFunctionParseInfoPtr prepare_sql_fn_parse_info(HeapTuple procedureTuple, Node* call_expr, Oid inputCollation);
extern void sql_fn_parser_replace_param_type(struct ParseState* pstate, int param_no, Var* var);
extern void sql_fn_parser_replace_param_type_for_insert(struct ParseState* pstate, int param_no, Oid param_new_type,
Oid relid, const char *col_name);
extern void plpgsql_fn_parser_replace_param_type(struct ParseState* pstate, int param_no, Var* var);
extern void sql_fn_parser_setup(struct ParseState* pstate, SQLFunctionParseInfoPtr pinfo);
extern void sql_fn_replace(struct ParseState* pstate, SQLFunctionParseInfoPtr pinfo);
extern bool check_sql_fn_retval(Oid func_id, Oid rettype, List* queryTreeList, bool* modifyTargetList,
JunkFilter** junkFilter, bool plpgsql_validation = false);
extern DestReceiver* CreateSQLFunctionDestReceiver(void);
extern bool sql_fn_cl_rewrite_params(const Oid func_id, SQLFunctionParseInfoPtr p_info, bool is_replace);
extern void sql_create_proc_parser_setup(struct ParseState* p_state, SQLFunctionParseInfoPtr p_info);
extern Node* sql_create_proc_operator_ref(ParseState* pstate, Node* left, Node* right, Oid* ltypeid, Oid* rtypeid);
extern Node* plpgsql_create_proc_operator_ref(ParseState* pstate, Node* left, Node* right, Oid* ltypeid, Oid* rtypeid);
#endif /* FUNCTIONS_H */