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From:MARK CALLAGHAN Date:July 8 2009 4:48am
Subject:Re: Condition Pushdown for ha_partition
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On Tue, Jul 7, 2009 at 8:58 PM, kentoku<kentokushiba@stripped> wrote:
> Hi there,
> I'm pleased to announce the release of Condition Pushdown for
> ha_partition in Launchpad.
> This release is a patch file for MySQL's table partitioning feature.
> (ndb is excluded)
> This patch file works to add methods("cond_push" and "cond_pop") to
> ha_partition. As a result, every storage engine's table that use table
> partitioning can get condition-pushdown through ha_partition.
> There was no problem because only ndb supported
> engine-condition-pushdown up to now.
> This patch was needed because the Spider storage engine supported
> engine-condition-pushdown recently.

Great work. But is this safe to use with Innodb given which recommends that
engine_condition_pushdown=off be used?

Mark Callaghan
Condition Pushdown for ha_partitionkentoku8 Jul
  • Re: Condition Pushdown for ha_partitionMARK CALLAGHAN8 Jul
  • Re: Condition Pushdown for ha_partitionSergei Golubchik8 Jul