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  1. MariaDB ColumnStore
  2. MCOL-5708

Columnstore: SELECT SUM(0) may cause data type unknown error

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    Description

      SELECT query with SUM(0) and aggregation/grouping on different numeric may result in

      ERROR 1815 (HY000): Internal error: An unexpected condition within the query caused an internal processing error within Columnstore.
      Please check the log files for more details. Additional Information: data type unknown.

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            leonid.fedorov Leonid Fedorov
            YK Yakov Kushnirsky
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