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Allow an optional alias for the target table to be specified for UPDATE

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and DELETE. If specified, the alias must be used instead of the full
table name. Also, the alias currently cannot be used in the SET clause
of UPDATE.

Patch from Atsushi Ogawa, various editorialization by Neil Conway.
Along the way, make the rowtypes regression test pass if add_missing_from
is enabled, and add a new (skeletal) regression test for DELETE.
This commit is contained in:
Neil Conway
2006-01-22 05:20:35 +00:00
parent 57a84ca48e
commit 1d763d9107
13 changed files with 155 additions and 13 deletions
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4
src/backend/parser/parse_clause.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.144 2005/11/22 18:17:16 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.145 2006/01/22 05:20:34 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -160,7 +160,7 @@ setTargetTable(ParseState *pstate, RangeVar *relation,
* Now build an RTE.
*/
rte = addRangeTableEntryForRelation(pstate, pstate->p_target_relation,
NULL, inh, false);
relation->alias, inh, false);
pstate->p_target_rangetblentry = rte;
/* assume new rte is at end */