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/*-------------------------------------------------------------------------
*
* parse_relation.h
* prototypes for parse_relation.c.
*
*
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_relation.h,v 1.54 2006/08/02 01:59:48 joe Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_RELATION_H
#define PARSE_RELATION_H
#include "parser/parse_node.h"
extern bool add_missing_from;
extern RangeTblEntry *refnameRangeTblEntry(ParseState *pstate,
const char *schemaname,
const char *refname,
int *sublevels_up);
extern void checkNameSpaceConflicts(ParseState *pstate, List *namespace1,
List *namespace2);
extern int RTERangeTablePosn(ParseState *pstate,
RangeTblEntry *rte,
int *sublevels_up);
extern RangeTblEntry *GetRTEByRangeTablePosn(ParseState *pstate,
int varno,
int sublevels_up);
extern Node *scanRTEForColumn(ParseState *pstate, RangeTblEntry *rte,
char *colname, int location);
extern Node *colNameToVar(ParseState *pstate, char *colname, bool localonly,
int location);
extern Node *qualifiedNameToVar(ParseState *pstate,
char *schemaname,
char *refname,
char *colname,
bool implicitRTEOK,
int location);
extern RangeTblEntry *addRangeTableEntry(ParseState *pstate,
RangeVar *relation,
Alias *alias,
bool inh,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForRelation(ParseState *pstate,
Relation rel,
Alias *alias,
bool inh,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForSubquery(ParseState *pstate,
Query *subquery,
Alias *alias,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForFunction(ParseState *pstate,
char *funcname,
Node *funcexpr,
RangeFunction *rangefunc,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForValues(ParseState *pstate,
List *exprs,
Alias *alias,
bool inFromCl);
extern RangeTblEntry *addRangeTableEntryForJoin(ParseState *pstate,
List *colnames,
JoinType jointype,
List *aliasvars,
Alias *alias,
bool inFromCl);
extern void addRTEtoQuery(ParseState *pstate, RangeTblEntry *rte,
bool addToJoinList,
bool addToRelNameSpace, bool addToVarNameSpace);
extern RangeTblEntry *addImplicitRTE(ParseState *pstate, RangeVar *relation,
int location);
extern void expandRTE(RangeTblEntry *rte, int rtindex, int sublevels_up,
bool include_dropped,
List **colnames, List **colvars);
extern List *expandRelAttrs(ParseState *pstate, RangeTblEntry *rte,
int rtindex, int sublevels_up);
extern int attnameAttNum(Relation rd, const char *attname, bool sysColOK);
extern Name attnumAttName(Relation rd, int attid);
extern Oid attnumTypeId(Relation rd, int attid);
#endif /* PARSE_RELATION_H */
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