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  1. MariaDB Server
  2. MDEV-7699

Spiral patch 001_mariadb-10.0.15.partition_cond_push.diff

Details

    Description

      Description:
      support engine condition pushdown with table partitioning feature.
      Effect:
      All storage engine can get engine condition pushdown information
      threw table partitioning feature by using this patch.

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          stephane@skysql.com VAROQUI Stephane added a comment - - edited

          Sergei P suggested to send errors when some partitions accept and some refused

          stephane@skysql.com VAROQUI Stephane added a comment - - edited Sergei P suggested to send errors when some partitions accept and some refused
          psergei Sergei Petrunia added a comment -

          Correct.
          ha_spider::cond_push currently accepts the entire condition always. This means, each partition will have the same condition pushed.

          We should add handling for this specific case.

          psergei Sergei Petrunia added a comment - Correct. ha_spider::cond_push currently accepts the entire condition always. This means, each partition will have the same condition pushed. We should add handling for this specific case.
          stephane@skysql.com VAROQUI Stephane added a comment -

          SP: What happen to some subquery condition push down ?
          KS : Some conditions are push down if can’t push down it’s checked at upper level

          stephane@skysql.com VAROQUI Stephane added a comment - SP: What happen to some subquery condition push down ? KS : Some conditions are push down if can’t push down it’s checked at upper level
          monty Michael Widenius added a comment -

          Pushed into 10.2-spider

          monty Michael Widenius added a comment - Pushed into 10.2-spider

          People

            monty Michael Widenius
            svoj Sergey Vojtovich
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            Dates

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              Updated:
              Resolved:

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