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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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4
src/backend/nodes/print.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.44 2000/10/22 22:14:54 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.45 2000/10/26 21:35:48 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -324,6 +324,8 @@ plannode_type(Plan *p)
return "UNIQUE";
case T_SetOp:
return "SETOP";
case T_Limit:
return "LIMIT";
case T_Hash:
return "HASH";
case T_Group: