src/include/parser/parse_relation.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * parse_relation.h
   4  *        prototypes for parse_relation.c.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: parse_relation.h,v 1.30 2002/03/21 16:02:05 tgl Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PARSE_RELATION_H
  15 #define PARSE_RELATION_H
  16
  17 #include "parser/parse_node.h"
  18
  19 extern RangeTblEntry *refnameRangeTblEntry(ParseState *pstate,
  20                                                 char *refname,
  21                                                 int *sublevels_up);
  22 extern void checkNameSpaceConflicts(ParseState *pstate, Node *namespace1,
  23                                                 Node *namespace2);
  24 extern int RTERangeTablePosn(ParseState *pstate,
  25                                   RangeTblEntry *rte,
  26                                   int *sublevels_up);
  27 extern Node *colnameToVar(ParseState *pstate, char *colname);
  28 extern Node *qualifiedNameToVar(ParseState *pstate, char *refname,
  29                                    char *colname, bool implicitRTEOK);
  30 extern RangeTblEntry *addRangeTableEntry(ParseState *pstate,
  31                                    char *relname,
  32                                    Alias *alias,
  33                                    bool inh,
  34                                    bool inFromCl);
  35 extern RangeTblEntry *addRangeTableEntryForSubquery(ParseState *pstate,
  36                                                           Query *subquery,
  37                                                           Alias *alias,
  38                                                           bool inFromCl);
  39 extern RangeTblEntry *addRangeTableEntryForJoin(ParseState *pstate,
  40                                                   List *colnames,
  41                                                   JoinType jointype,
  42                                                   List *coltypes,
  43                                                   List *coltypmods,
  44                                                   List *leftcols,
  45                                                   List *rightcols,
  46                                                   Alias *alias,
  47                                                   bool inFromCl);
  48 extern void addRTEtoQuery(ParseState *pstate, RangeTblEntry *rte,
  49                           bool addToJoinList, bool addToNameSpace);
  50 extern RangeTblEntry *addImplicitRTE(ParseState *pstate, char *relname);
  51 extern void expandRTE(ParseState *pstate, RangeTblEntry *rte,
  52                   List **colnames, List **colvars);
  53 extern List *expandRelAttrs(ParseState *pstate, RangeTblEntry *rte);
  54 extern int      attnameAttNum(Relation rd, char *a);
  55 extern Name attnumAttName(Relation rd, int attid);
  56 extern Oid      attnumTypeId(Relation rd, int attid);
  57
  58 #endif   /* PARSE_RELATION_H */