RE: Can t get INSERT /*+ APPEND */ to indicate direct load in execution plan
Date: Wed, 2 Nov 2011 12:33:30 -0400
Wow, that's a nasty one, Randolf.
Did you open SR with Oracle on this?
If so, what did they say?
From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Randolf Geist Sent: Wednesday, November 02, 2011 12:10 PM To: oracle-l_at_freelists.org
Subject: Re: Can t get INSERT /*+ APPEND */ to indicate direct load in execution plan
The direct-path insert restriction with the non-unique index used to be there up to 10.2. It's no longer there in 11.1 and 11.2, however the change introduced another subtle (and nasty) questionable behaviour, see here:
It looks like this potential bug hasn't been addressed yet.
> Is your primary key protected by a non-unique constraint ? That would
> disable direct path load. Also, although you say you have no enabled
> FKs, the output you've shown does have an FK in ENABLE NOVALIDATE mode.
> Jonathan Lewis