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Re-implement LIMIT/OFFSET as a plan node type, instead of a hack in

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ExecutorRun.  This allows LIMIT to work in a view.  Also, LIMIT in a
cursor declaration will behave in a reasonable fashion, whereas before
it was overridden by the FETCH count.
This commit is contained in:
Tom Lane
2000-10-26 21:38:24 +00:00
parent c9476bafdb
commit 2f35b4efdb
26 changed files with 572 additions and 232 deletions
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8
src/backend/rewrite/rewriteDefine.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteDefine.c,v 1.54 2000/10/05 19:11:34 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteDefine.c,v 1.55 2000/10/26 21:36:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -304,12 +304,6 @@ DefineQueryRewrite(RuleStmt *stmt)
}
}
/*
* LIMIT in view is not supported
*/
if (query->limitOffset != NULL || query->limitCount != NULL)
elog(ERROR, "LIMIT clause not supported in views");
/*
* ... and finally the rule must be named _RETviewname.
*/