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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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4
src/backend/optimizer/util/clauses.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.58 2000/01/26 05:56:40 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.59 2000/02/15 03:37:36 thomas Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -556,7 +556,7 @@ check_subplans_for_ungrouped_vars_walker(Node *node,
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
var->varattno, rte->relid);
elog(ERROR, "Sub-SELECT uses un-GROUPed attribute %s.%s from outer query",
rte->refname, attname);
rte->ref->relname, attname);
}
}
}