granicus.if.org Git - postgresql/blob - src/include/parser/parse_clause.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * parse_clause.h
   4  *        handle clauses in parser
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: parse_clause.h,v 1.32 2003/06/16 02:03:38 tgl Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PARSE_CLAUSE_H
  15 #define PARSE_CLAUSE_H
  16
  17 #include "parser/parse_node.h"
  18
  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);
  23
  24 extern Node *transformWhereClause(ParseState *pstate, Node *where);
  25 extern List *transformGroupClause(ParseState *pstate, List *grouplist,
  26                                          List *targetlist, List *sortClause);
  27 extern List *transformSortClause(ParseState *pstate, List *orderlist,
  28                                         List *targetlist, bool resolveUnknown);
  29 extern List *transformDistinctClause(ParseState *pstate, List *distinctlist,
  30                                                 List *targetlist, List **sortClause);
  31
  32 extern List *addAllTargetsToSortList(ParseState *pstate,
  33                                                                          List *sortlist, List *targetlist,
  34                                                                          bool resolveUnknown);
  35 extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
  36 extern bool targetIsInSortList(TargetEntry *tle, List *sortList);
  37
  38 #endif   /* PARSE_CLAUSE_H */