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  1. MariaDB Server
  2. MDEV-8521

Drastic loss of precision in COLUMN_JSON() on DOUBLEs

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.0.18
    • Fix Version/s: 10.0.23, 10.1.10
    • Component/s: Dynamic Columns
    • Labels:
      None
    • Environment:
      Darwin yossy.local 14.3.0 Darwin Kernel Version 14.3.0: Mon Mar 23 11:59:05 PDT 2015; root:xnu-2782.20.48~5/RELEASE_X86_64 x86_64
    • Sprint:
      10.0.23

      Description

      select column_get(column_create('float', 1.23456789012345E+100 as double), 'float' as double);
      -> 1.23456789012345e100
       
      select column_json(column_create('float', 1.23456789012345E+100 as double));
      -> {"float":"1e100"}
       
      select column_json(column_create('float', 1.23456789012345E+10 as double));
      -> {"float":"1.2e10"}

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            Assignee:
            sanja Oleksandr Byelkin
            Reporter:
            thefsb Tom
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              Dates

              Created:
              Updated:
              Resolved: