database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-20 15:22:23 +03:00
Code Activity

Carry column aliases from the parser frontend. Enables queries like

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/parser/parse_agg.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.33 2000/01/26 05:56:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_agg.c,v 1.34 2000/02/15 03:37:47 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -111,7 +111,7 @@ check_ungrouped_columns_walker(Node *node,
elog(ERROR, "cache lookup of attribute %d in relation %u failed",
var->varattno, rte->relid);
elog(ERROR, "Attribute %s.%s must be GROUPed or used in an aggregate function",
rte->refname, attname);
rte->ref->relname, attname);
}
/* Otherwise, recurse. */
return expression_tree_walker(node, check_ungrouped_columns_walker,