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  1. MariaDB Server
  2. MDEV-12771

Remove Item_func_xxx::decimal_precision() for case and abbreviations

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      decimal_precision() implementations for the classes implementing CASE and CASE-alike functions became redundant after implementing MDEV-12770. The derived implementation from Item should perfectly do the job (by going through Type_handler_xxx::type_handler().

      We'll remove decimal_precision() from the following classes:

      Item_func_ifnull
      Item_func_case_abbreviation2
      Item_func_if
      Item_func_nvl2
      Item_func_nullif
      Item_func_case
      

      This will reduce the amount of duplicate code.

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            Assignee:
            bar Alexander Barkov
            Reporter:
            bar Alexander Barkov
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