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/*-------------------------------------------------------------------------
*
* parse_relation.h
* prototypes for parse_relation.c.
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_relation.h,v 1.22 2001/02/14 21:35:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_RELATION_H
#define PARSE_RELATION_H
#include "parser/parse_node.h"
extern Node *refnameRangeOrJoinEntry(ParseState *pstate,
char *refname,
int *sublevels_up);
extern void checkNameSpaceConflicts(ParseState *pstate, Node *namespace1,
Node *namespace2);
extern int RTERangeTablePosn(ParseState *pstate,
RangeTblEntry *rte,
int *sublevels_up);
extern Node *colnameToVar(ParseState *pstate, char *colname);
extern Node *qualifiedNameToVar(ParseState *pstate, char *refname,
char *colname, bool implicitRTEOK);
extern RangeTblEntry *addRangeTableEntry(ParseState *pstate,
char *relname,
Attr *alias,
bool inh,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForSubquery(ParseState *pstate,
Query *subquery,
Attr *alias,
bool inFromCl);
extern void addRTEtoQuery(ParseState *pstate, RangeTblEntry *rte,
bool addToJoinList, bool addToNameSpace);
extern RangeTblEntry *addImplicitRTE(ParseState *pstate, char *relname);
extern void expandRTE(ParseState *pstate, RangeTblEntry *rte,
List **colnames, List **colvars);
extern List *expandRelAttrs(ParseState *pstate, RangeTblEntry *rte);
extern List *expandJoinAttrs(ParseState *pstate, JoinExpr *join,
int sublevels_up);
extern int attnameAttNum(Relation rd, char *a);
extern int specialAttNum(char *a);
extern Oid attnumTypeId(Relation rd, int attid);
#endif /* PARSE_RELATION_H */
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