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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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5
src/backend/commands/explain.c
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@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.60 2000/10/05 19:11:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.61 2000/10/26 21:34:44 tgl Exp $
*
*/
@ -217,6 +217,9 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es)
break;
}
break;
case T_Limit:
pname = "Limit";
break;
case T_Hash:
pname = "Hash";
break;