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  1. MariaDB ColumnStore
  2. MCOL-4607

SEC_TO_TIME(wideDecimal) returns 0 in DECIMAL context

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    Details

    • Type: Bug
    • Status: Open (View Workflow)
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 5.6.1, 6.1.1
    • Fix Version/s: 6.3.1
    • Component/s: PrimProc
    • Labels:
      None

      Description

      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (a DECIMAL(30,1)) ENGINE=ColumnStore;
      INSERT INTO t1 VALUES (1);
      SELECT SEC_TO_TIME(a), SEC_TO_TIME(a)+0.0 FROM t1;
      

      +----------------+--------------------+
      | SEC_TO_TIME(a) | SEC_TO_TIME(a)+0.0 |
      +----------------+--------------------+
      | 00:00:01.0     |                0.0 |
      +----------------+--------------------+
      

      Notice, SEC_TO_TIME(a) per se returned a correct result, but when I further put it into a DECIMAL plus operation, it returned 0.

      The expected result is:

      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (a DECIMAL(30,1)) ENGINE=InnoDB;
      INSERT INTO t1 VALUES (1);
      SELECT SEC_TO_TIME(a), SEC_TO_TIME(a)+0.0 FROM t1;
      

      +----------------+--------------------+
      | SEC_TO_TIME(a) | SEC_TO_TIME(a)+0.0 |
      +----------------+--------------------+
      | 00:00:01.0     |                1.0 |
      +----------------+--------------------+
      

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              Assignee:
              bar Alexander Barkov
              Reporter:
              bar Alexander Barkov
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                Dates

                Created:
                Updated:

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