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  1. Hive
  2. HIVE-26238

Decouple sort filter predicates optimization from digest normalization in CBO

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    Description

      HIVE-21857 introduced an optimization for ordering predicates inside a filter based on a cost function. After HIVE-23456, this optimization can run only if the the digest normalization (introduced in CALCITE-2450) in CBO is disabled (via calcite.enable.rexnode.digest.normalize).

      The goal of this issue is to decouple the sort predicate optimization from digest normalization. After the changes here the optimization shouldn't be affected by the value of calcite.enable.rexnode.digest.normalize property.

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          depends upon

          Task - A task that needs to be done. HIVE-23456 Upgrade Calcite version to 1.25.0

          • Major - Major loss of function.
          • Closed
          is depended upon by

          Task - A task that needs to be done. HIVE-26312 Use default digest normalization strategy in CBO

          • Major - Major loss of function.
          • In Progress
          relates to

          Sub-task - The sub-task of the issue CALCITE-2450 RexSimplify: reorder predicates to a canonical form as a part of RexSimplify

          • Major - Major loss of function.
          • Closed

          New Feature - A new feature of the product, which has yet to be developed. HIVE-21857 Sort conditions in a filter predicate to accelerate query processing

          • Major - Major loss of function.
          • Closed
          links to

          Web Link GitHub Pull Request #3299

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              zabetak Stamatis Zampetakis
              zabetak Stamatis Zampetakis
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