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Name	Size	Permission	Date
analyze.h	1.43 KB	-rw-r--r--	2021-06-15 13:00
gram.h	10.71 KB	-rw-r--r--	2021-06-15 13:00
gramparse.h	2.1 KB	-rw-r--r--	2021-06-15 13:00
keywords.h	1.03 KB	-rw-r--r--	2021-06-15 13:00
kwlist.h	20.26 KB	-rw-r--r--	2021-06-15 13:00
parse_agg.h	1.13 KB	-rw-r--r--	2021-06-15 13:00
parse_clause.h	1.73 KB	-rw-r--r--	2021-06-15 13:00
parse_coerce.h	3.04 KB	-rw-r--r--	2021-06-15 13:00
parse_collate.h	829 B	-rw-r--r--	2021-06-15 13:00
parse_cte.h	694 B	-rw-r--r--	2021-06-15 13:00
parse_expr.h	619 B	-rw-r--r--	2021-06-15 13:00
parse_func.h	2.61 KB	-rw-r--r--	2021-06-15 13:00
parse_node.h	6.1 KB	-rw-r--r--	2021-06-15 13:00
parse_oper.h	2.44 KB	-rw-r--r--	2021-06-15 13:00
parse_param.h	776 B	-rw-r--r--	2021-06-15 13:00
parse_relation.h	3.46 KB	-rw-r--r--	2021-06-15 13:00
parse_target.h	1.39 KB	-rw-r--r--	2021-06-15 13:00
parse_type.h	1.82 KB	-rw-r--r--	2021-06-15 13:00
parse_utilcmd.h	982 B	-rw-r--r--	2021-06-15 13:00
parser.h	1.12 KB	-rw-r--r--	2021-06-15 13:00
parsetree.h	2.02 KB	-rw-r--r--	2021-06-15 13:00
scanner.h	4.1 KB	-rw-r--r--	2021-06-15 13:00
scansup.h	752 B	-rw-r--r--	2021-06-15 13:00

Rename

/*-------------------------------------------------------------------------
 *
 * parse_func.h
 *
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/parser/parse_func.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PARSER_FUNC_H
#define PARSER_FUNC_H

#include "catalog/namespace.h"
#include "parser/parse_node.h"

/*
 *	This structure is used to explore the inheritance hierarchy above
 *	nodes in the type tree in order to disambiguate among polymorphic
 *	functions.
 */
typedef struct _InhPaths
{
	int			nsupers;		/* number of superclasses */
	Oid			self;			/* this class */
	Oid		   *supervec;		/* vector of superclasses */
}	InhPaths;

/* Result codes for func_get_detail */
typedef enum
{
	FUNCDETAIL_NOTFOUND,		/* no matching function */
	FUNCDETAIL_MULTIPLE,		/* too many matching functions */
	FUNCDETAIL_NORMAL,			/* found a matching regular function */
	FUNCDETAIL_AGGREGATE,		/* found a matching aggregate function */
	FUNCDETAIL_WINDOWFUNC,		/* found a matching window function */
	FUNCDETAIL_COERCION			/* it's a type coercion request */
} FuncDetailCode;

extern Node *ParseFuncOrColumn(ParseState *pstate,
				  List *funcname, List *fargs,
				  List *agg_order, bool agg_star, bool agg_distinct,
				  bool func_variadic,
				  WindowDef *over, bool is_column, int location);

extern FuncDetailCode func_get_detail(List *funcname,
				List *fargs, List *fargnames,
				int nargs, Oid *argtypes,
				bool expand_variadic, bool expand_defaults,
				Oid *funcid, Oid *rettype,
				bool *retset, int *nvargs, Oid **true_typeids,
				List **argdefaults);

extern int func_match_argtypes(int nargs,
					Oid *input_typeids,
					FuncCandidateList raw_candidates,
					FuncCandidateList *candidates);

extern FuncCandidateList func_select_candidate(int nargs,
					  Oid *input_typeids,
					  FuncCandidateList candidates);

extern void make_fn_arguments(ParseState *pstate,
				  List *fargs,
				  Oid *actual_arg_types,
				  Oid *declared_arg_types);

extern const char *funcname_signature_string(const char *funcname, int nargs,
						  List *argnames, const Oid *argtypes);
extern const char *func_signature_string(List *funcname, int nargs,
					  List *argnames, const Oid *argtypes);

extern Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes,
			   bool noError);
extern Oid LookupFuncNameTypeNames(List *funcname, List *argtypes,
						bool noError);
extern Oid LookupAggNameTypeNames(List *aggname, List *argtypes,
					   bool noError);

#endif   /* PARSE_FUNC_H */