1 /*-------------------------------------------------------------------------
4 * handle clauses in parser
7 * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
10 * $Id: parse_clause.h,v 1.36 2003/08/07 19:20:23 tgl Exp $
12 *-------------------------------------------------------------------------
14 #ifndef PARSE_CLAUSE_H
15 #define PARSE_CLAUSE_H
17 #include "parser/parse_node.h"
19 extern void transformFromClause(ParseState *pstate, List *frmList);
20 extern int setTargetTable(ParseState *pstate, RangeVar *relation,
21 bool inh, bool alsoSource);
22 extern bool interpretInhOption(InhOption inhOpt);
24 extern Node *transformWhereClause(ParseState *pstate, Node *clause,
25 const char *constructName);
26 extern Node *transformLimitClause(ParseState *pstate, Node *clause,
27 const char *constructName);
28 extern List *transformGroupClause(ParseState *pstate, List *grouplist,
29 List *targetlist, List *sortClause);
30 extern List *transformSortClause(ParseState *pstate, List *orderlist,
31 List *targetlist, bool resolveUnknown);
32 extern List *transformDistinctClause(ParseState *pstate, List *distinctlist,
33 List *targetlist, List **sortClause);
35 extern List *addAllTargetsToSortList(ParseState *pstate,
36 List *sortlist, List *targetlist,
38 extern List *addTargetToSortList(ParseState *pstate, TargetEntry *tle,
39 List *sortlist, List *targetlist,
40 List *opname, bool resolveUnknown);
41 extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
42 extern bool targetIsInSortList(TargetEntry *tle, List *sortList);
44 #endif /* PARSE_CLAUSE_H */