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  1. IMPALA
  2. IMPALA-1861

Conditional functions with constant arguments should be simplified during analysis

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    Description

      The frontend should be able to detect conditional functions with constant predicates (e.g. IF(true, expr1, expr2)) and automatically replace them with the correct result during the analysis.

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          Bug - A problem which impairs or prevents the functions of the product. IMPALA-5125 Check failed: tuple_desc_map_.back() != __null

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-5725 coalesce() not being fully applied with outer joins on kudu tables

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved
          is duplicated by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-4491 Avoid reading columns that are only part of constant expressions in select

          • Major - Major loss of function.
          • Resolved
          is related to

          New Feature - A new feature of the product, which has yet to be developed. IMPALA-1788 Consider replacing constant exprs with literal equivalents

          • Major - Major loss of function.
          • Resolved

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              twmarshall Thomas Tauber-Marshall
              dtsirogiannis Dimitris Tsirogiannis
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                Updated:
                Resolved: