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Carry column aliases from the parser frontend. Enables queries like

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SELECT a FROM t1 tx (a);
Allow join syntax, including queries like
  SELECT * FROM t1 NATURAL JOIN t2;
Update RTE structure to hold column aliases in an Attr structure.
This commit is contained in:
Thomas G. Lockhart
2000-02-15 03:38:29 +00:00
parent 92c8437d8d
commit a344a6e7b5
27 changed files with 1102 additions and 324 deletions
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7
src/include/parser/parse_clause.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_clause.h,v 1.15 2000/01/27 18:11:47 tgl Exp $
* $Id: parse_clause.h,v 1.16 2000/02/15 03:38:28 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,10 +16,9 @@
#include "parser/parse_node.h"
extern void makeRangeTable(ParseState *pstate, List *frmList, Node **qual);
extern void makeRangeTable(ParseState *pstate, List *frmList);
extern void setTargetTable(ParseState *pstate, char *relname);
extern Node *transformWhereClause(ParseState *pstate, Node *where,
Node *using);
extern Node *transformWhereClause(ParseState *pstate, Node *where);
extern List *transformGroupClause(ParseState *pstate, List *grouplist,
List *targetlist);
extern List *transformSortClause(ParseState *pstate, List *orderlist,