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) 1996-2006, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL: pgsql/src/include/parser/parse_clause.h,v 1.45 2006/07/02 02:23:23 momjian Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PARSE_CLAUSE_H
  15 #define PARSE_CLAUSE_H
  16
  17 #include "parser/parse_node.h"
  18 #include "utils/array.h"
  19
  20 extern void transformFromClause(ParseState *pstate, List *frmList);
  21 extern int setTargetTable(ParseState *pstate, RangeVar *relation,
  22                            bool inh, bool alsoSource, AclMode requiredPerms);
  23 extern bool interpretInhOption(InhOption inhOpt);
  24 extern bool interpretOidsOption(List *options);
  25
  26 extern ArrayType *OptionBuild(ArrayType *array, List *list);
  27 extern void OptionParse(ArrayType *options, Size num, DefElem kwds[],
  28                                                 bool strict);
  29
  30 extern Node *transformWhereClause(ParseState *pstate, Node *clause,
  31                                          const char *constructName);
  32 extern Node *transformLimitClause(ParseState *pstate, Node *clause,
  33                                          const char *constructName);
  34 extern List *transformGroupClause(ParseState *pstate, List *grouplist,
  35                                          List **targetlist, List *sortClause);
  36 extern List *transformSortClause(ParseState *pstate, List *orderlist,
  37                                         List **targetlist, bool resolveUnknown);
  38 extern List *transformDistinctClause(ParseState *pstate, List *distinctlist,
  39                                                 List **targetlist, List **sortClause);
  40
  41 extern List *addAllTargetsToSortList(ParseState *pstate,
  42                                                 List *sortlist, List *targetlist,
  43                                                 bool resolveUnknown);
  44 extern List *addTargetToSortList(ParseState *pstate, TargetEntry *tle,
  45                                         List *sortlist, List *targetlist,
  46                                         int sortby_kind, List *sortby_opname,
  47                                         bool resolveUnknown);
  48 extern Index assignSortGroupRef(TargetEntry *tle, List *tlist);
  49 extern bool targetIsInSortList(TargetEntry *tle, List *sortList);
  50
  51 #endif   /* PARSE_CLAUSE_H */