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First cut at full support for OUTER JOINs. There are still a few loose

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ends to clean up (see my message of same date to pghackers), but mostly
it works.  INITDB REQUIRED!
This commit is contained in:
Tom Lane
2000-09-12 21:07:18 +00:00
parent b5c0ab278b
commit ed5003c584
93 changed files with 6386 additions and 4262 deletions
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40
src/include/parser/parse_relation.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_relation.h,v 1.18 2000/06/08 22:37:53 momjian Exp $
* $Id: parse_relation.h,v 1.19 2000/09/12 21:07:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,23 +16,35 @@
#include "parser/parse_node.h"
extern RangeTblEntry *refnameRangeTableEntry(ParseState *pstate, char *refname);
extern Node *refnameRangeOrJoinEntry(ParseState *pstate,
char *refname,
int *sublevels_up);
extern RangeTblEntry *refnameRangeTableEntry(ParseState *pstate,
char *refname);
extern int refnameRangeTablePosn(ParseState *pstate,
char *refname,
int *sublevels_up);
extern RangeTblEntry *colnameRangeTableEntry(ParseState *pstate, char *colname);
char *refname,
int *sublevels_up);
extern int RTERangeTablePosn(ParseState *pstate,
RangeTblEntry *rte,
int *sublevels_up);
extern JoinExpr *scanJoinTreeForRefname(Node *jtnode, char *refname);
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 *ref,
bool inh,
bool inFromCl,
bool inJoinSet);
extern Attr *expandTable(ParseState *pstate, char *refname, bool getaliases);
extern List *expandAll(ParseState *pstate, char *relname, Attr *ref,
int *this_resno);
char *relname,
Attr *alias,
bool inh,
bool inFromCl);
extern void addRTEtoJoinTree(ParseState *pstate, RangeTblEntry *rte);
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);
extern void warnAutoRange(ParseState *pstate, char *refname);
#endif /* PARSE_RELATION_H */