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On 15 Nov 2012 06:33, rob@xxxxxxxxx wrote:
Regarding your issue with querying against select/omit logical files
acting differently now that you are on 7.1...
I tried to find that recent post but I can't seem to find it.
<<SNIP>>
On 11/14/2012 05:47 PM Gerald Kern wrote:
Originally posted this morning on RPG-L and per Rob's suggestion
cross posted here now as he indicated this was recently covered
here.
A link to the "recent" thread of the discussion talking about
something similar:
_i Query Optimizer selection incorrect access path i_
Robert Clay Date: Mon, 05 Nov 2012 14:25:15 -0500
http://archive.midrange.com/midrange-l/201211/threads.html#00117
To the message originally posted on the RPG400-l, I noted that "I had
thought that the CQE was still mandated in 6.1 for all queries whereby a
DDS LF has been specified on the FROM clause, irrespective of the
IGNORE_DERIVED_INDEX settings." and inquired if perhaps someone knows
that is untrue or no longer true with IBM i 7.1 DB2 SQL.
http://archive.midrange.com/rpg400-l/201211/msg00199.html
The DeveloperWorks article referenced by Luis does note that the DDS
LF restriction remains on v6r1, but there is no mention of v7r1. Note:
A SQL INDEX, _derived_ key or not, can not be specified\named on a FROM
clause of a SQL SELECT.
http://www.ibm.com/developerworks/data/library/techarticle/dm-1001maxsqewithdds/index.html
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