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Add a "USING" clause to DELETE, which is equivalent to the FROM clause

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in UPDATE. We also now issue a NOTICE if a query has _any_ implicit
range table entries -- in the past, we would only warn about implicit
RTEs in SELECTs with at least one explicit RTE.

As a result of the warning change, 25 of the regression tests had to
be updated. I also took the opportunity to remove some bogus whitespace
differences between some of the float4 and float8 variants. I believe
I have correctly updated all the platform-specific variants, but let
me know if that's not the case.

Original patch for DELETE ... USING from Euler Taveira de Oliveira,
reworked by Neil Conway.
This commit is contained in:
Neil Conway
2005-04-07 01:51:41 +00:00
parent be2f825d51
commit f5ab0a14ea
68 changed files with 393 additions and 234 deletions
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3
src/include/nodes/parsenodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.276 2005/04/06 16:34:07 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.277 2005/04/07 01:51:40 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -613,6 +613,7 @@ typedef struct DeleteStmt
NodeTag type;
RangeVar *relation; /* relation to delete from */
Node *whereClause; /* qualifications */
List *usingClause; /* optional using clause for more tables */
} DeleteStmt;
/* ----------------------