/*-------------------------------------------------------------------------
 *
 * parse_query.h--
 *	  prototypes for parse_query.c.
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: parse_query.h,v 1.11 1997/09/08 02:38:15 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef PARSE_QUERY_H
#define PARSE_QUERY_H

#include <parser/catalog_utils.h>
#include <parser/parse_state.h>
#include <nodes/parsenodes.h>

typedef struct QueryTreeList
{
	int			len;			/* number of queries */
	Query	  **qtrees;
}			QueryTreeList;

extern RangeTblEntry *refnameRangeTableEntry(List * rtable, char *refname);
extern RangeTblEntry *colnameRangeTableEntry(ParseState * pstate, char *colname);
extern int	refnameRangeTablePosn(List * rtable, char *refname);
extern RangeTblEntry *
addRangeTableEntry(ParseState * pstate,
				   char *relname, char *refname,
				   bool inh, bool inFromCl,
				   TimeRange * timeRange);
extern List *
expandAll(ParseState * pstate, char *relname, char *refname,
		  int *this_resno);
extern		TimeQual
makeTimeRange(char *datestring1, char *datestring2,
			  int timecode);
extern Expr *make_op(char *opname, Node * ltree, Node * rtree);

extern Oid	find_atttype(Oid relid, char *attrname);
extern Var *
make_var(ParseState * pstate,
		 char *relname, char *attrname, Oid * type_id);
extern ArrayRef *make_array_ref(Node * array, List * indirection);
extern ArrayRef *
make_array_set(Expr * target_expr, List * upperIndexpr,
			   List * lowerIndexpr, Expr * expr);
extern Const *make_const(Value * value);

extern void param_type_init(Oid * typev, int nargs);
extern Oid	param_type(int t);

/* parser.c (was ylib.c) */
extern QueryTreeList *parser(char *str, Oid * typev, int nargs);
extern Node *parser_typecast(Value * expr, TypeName * typename, int typlen);
extern Node *parser_typecast2(Node * expr, Oid exprType, Type tp, int typlen);
extern Aggreg *ParseAgg(char *aggname, Oid basetype, Node * target);
extern void
handleTargetColname(ParseState * pstate, char **resname,
					char *refname, char *colname);

/*
 * analyze.c
 */

Oid			exprType(Node * expr);
QueryTreeList *parse_analyze(List * querytree_list);

/* define in parse_query.c, used in gram.y */
extern Oid *param_type_info;
extern int	pfunc_num_args;

/* useful macros */
#define ISCOMPLEX(type) (typeid_get_relid(type) ? true : false)

#endif							/* PARSE_QUERY_H */