Re: Poor Oracle performance?
Re: Poor Oracle performance?
- Subject: Re: Poor Oracle performance?
- From: Art Isbell <email@hidden>
- Date: Wed, 16 May 2007 10:04:48 -1000
On May 16, 2007, at 9:33 AM, Gavin Eadie wrote:
I concur, with Oracle and OpenBase - that setting has no effect
(and its default is false anyway) .. Gav
I see that JDBCExpression overrides EOSQLExpression's
useBindVariables() to always return true. And
OraclePlugIn.OracleExpression, a JDBCExpression subclass, doesn't
override useBindVariables(), so the Oracle plugin must be set to use
bind variables regardless of the value of EOAdaptorUseBindVariables.
That said, I'd be surprised that merely using bind variables would
cause the poor fetch performance. In fact, I thought that bind
variable usage was supposed to help the query optimizer improve
performance, but my memory might be faulty.
Aloha,
Art
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