42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* functions.h
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* Declarations for execution of SQL-language functions.
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*
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*
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* Portions Copyright (c) 1996-2018, 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/executor/functions.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef FUNCTIONS_H
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#define FUNCTIONS_H
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#include "nodes/execnodes.h"
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#include "tcop/dest.h"
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/* This struct is known only within executor/functions.c */
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typedef struct SQLFunctionParseInfo *SQLFunctionParseInfoPtr;
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extern Datum fmgr_sql(PG_FUNCTION_ARGS);
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extern SQLFunctionParseInfoPtr prepare_sql_fn_parse_info(HeapTuple procedureTuple,
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Node *call_expr,
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Oid inputCollation);
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extern void sql_fn_parser_setup(struct ParseState *pstate,
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SQLFunctionParseInfoPtr pinfo);
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extern void check_sql_fn_statements(List *queryTreeList);
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extern bool check_sql_fn_retval(Oid func_id, Oid rettype,
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List *queryTreeList,
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bool *modifyTargetList,
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JunkFilter **junkFilter);
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extern DestReceiver *CreateSQLFunctionDestReceiver(void);
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#endif /* FUNCTIONS_H */
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