diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2000-09-12 21:07:18 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2000-09-12 21:07:18 +0000 |
| commit | ed5003c58401e5727fcdd970505972394c95febb (patch) | |
| tree | 53c25d5c65d6f7275f110503f51ab370e55af6ea /src/include/parser/parse_relation.h | |
| parent | b5c0ab278bc67bc7f363da7d828a08ce7c4d28c2 (diff) | |
First cut at full support for OUTER JOINs. There are still a few loose
ends to clean up (see my message of same date to pghackers), but mostly
it works. INITDB REQUIRED!
Diffstat (limited to 'src/include/parser/parse_relation.h')
| -rw-r--r-- | src/include/parser/parse_relation.h | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/src/include/parser/parse_relation.h b/src/include/parser/parse_relation.h index 4f89bcc65c3..7c7a04844e4 100644 --- a/src/include/parser/parse_relation.h +++ b/src/include/parser/parse_relation.h @@ -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 */ |