mirror of
https://github.com/postgres/postgres.git
synced 2026-02-11 23:03:25 -05:00
b89140a7ec
instead of the former kluge whereby gram.y emitted already-transformed expressions. This is needed so that Params appearing in these clauses actually work correctly. I suppose some might claim that the side effect of 'SELECT ... LIMIT 2+2' working is a new feature, but I say this is a bug fix.
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* parse_clause.h
|
|
* handle clauses in parser
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $Id: parse_clause.h,v 1.33 2003/07/03 19:07:53 tgl Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#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);
|
|
extern bool interpretInhOption(InhOption inhOpt);
|
|
|
|
extern Node *transformWhereClause(ParseState *pstate, Node *clause,
|
|
const char *constructName);
|
|
extern Node *transformLimitClause(ParseState *pstate, Node *clause,
|
|
const char *constructName);
|
|
extern List *transformGroupClause(ParseState *pstate, List *grouplist,
|
|
List *targetlist, List *sortClause);
|
|
extern List *transformSortClause(ParseState *pstate, List *orderlist,
|
|
List *targetlist, bool resolveUnknown);
|
|
extern List *transformDistinctClause(ParseState *pstate, List *distinctlist,
|
|
List *targetlist, List **sortClause);
|
|
|
|
extern List *addAllTargetsToSortList(ParseState *pstate,
|
|
List *sortlist, List *targetlist,
|
|
bool resolveUnknown);
|
|
extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
|
|
extern bool targetIsInSortList(TargetEntry *tle, List *sortList);
|
|
|
|
#endif /* PARSE_CLAUSE_H */
|