PostgreSQL Source Code: src/include/executor/functions.h Source File

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00001 /*-------------------------------------------------------------------------
00002  *
00003  * functions.h
00004  *      Declarations for execution of SQL-language functions.
00005  *
00006  *
00007  * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
00008  * Portions Copyright (c) 1994, Regents of the University of California
00009  *
00010  * src/include/executor/functions.h
00011  *
00012  *-------------------------------------------------------------------------
00013  */
00014 #ifndef FUNCTIONS_H
00015 #define FUNCTIONS_H
00016 
00017 #include "nodes/execnodes.h"
00018 #include "tcop/dest.h"
00019 
00020 /* This struct is known only within executor/functions.c */
00021 typedef struct SQLFunctionParseInfo *SQLFunctionParseInfoPtr;
00022 
00023 extern Datum fmgr_sql(PG_FUNCTION_ARGS);
00024 
00025 extern SQLFunctionParseInfoPtr prepare_sql_fn_parse_info(HeapTuple procedureTuple,
00026                           Node *call_expr,
00027                           Oid inputCollation);
00028 
00029 extern void sql_fn_parser_setup(struct ParseState *pstate,
00030                     SQLFunctionParseInfoPtr pinfo);
00031 
00032 extern bool check_sql_fn_retval(Oid func_id, Oid rettype,
00033                     List *queryTreeList,
00034                     bool *modifyTargetList,
00035                     JunkFilter **junkFilter);
00036 
00037 extern DestReceiver *CreateSQLFunctionDestReceiver(void);
00038 
00039 #endif   /* FUNCTIONS_H */
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functions.h
