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/*-------------------------------------------------------------------------
*
* parse_clause.h
* handle clauses in parser
*
*
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/parser/parse_clause.h
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_CLAUSE_H
#define PARSE_CLAUSE_H
#include "parser/parse_node.h"
extern void transformFromClause(ParseState *pstate, List *frmList);
extern int setTargetTable(ParseState *pstate, RangeVar *relation,
bool inh, bool alsoSource, AclMode requiredPerms);
extern bool interpretInhOption(InhOption inhOpt);
extern bool interpretOidsOption(List *defList, bool allowOids);
extern Node *transformWhereClause(ParseState *pstate, Node *clause,
ParseExprKind exprKind, const char *constructName);
extern Node *transformLimitClause(ParseState *pstate, Node *clause,
ParseExprKind exprKind, const char *constructName);
extern List *transformGroupClause(ParseState *pstate, List *grouplist,
List **groupingSets,
List **targetlist, List *sortClause,
ParseExprKind exprKind, bool useSQL99);
extern List *transformSortClause(ParseState *pstate, List *orderlist,
List **targetlist, ParseExprKind exprKind,
bool resolveUnknown, bool useSQL99);
extern List *transformWindowDefinitions(ParseState *pstate,
List *windowdefs,
List **targetlist);
extern List *transformDistinctClause(ParseState *pstate,
List **targetlist, List *sortClause, bool is_agg);
extern List *transformDistinctOnClause(ParseState *pstate, List *distinctlist,
List **targetlist, List *sortClause);
extern void transformOnConflictArbiter(ParseState *pstate,
OnConflictClause *onConflictClause,
List **arbiterExpr, Node **arbiterWhere,
Oid *constraint);
extern List *addTargetToSortList(ParseState *pstate, TargetEntry *tle,
List *sortlist, List *targetlist, SortBy *sortby,
bool resolveUnknown);
extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
extern bool targetIsInSortList(TargetEntry *tle, Oid sortop, List *sortList);
#endif /* PARSE_CLAUSE_H */
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