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  1. MariaDB Server
  2. MDEV-8624

MariaDB hangs on query with many logical condition

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Fixed
    • 5.3.12, 10.0.21, 5.5(EOL), 10.0(EOL), 10.1(EOL)
    • 5.5.46, 10.0.22, 10.1.8
    • Optimizer
    • None
    • 10.0.21-MariaDB, Centos6
    • 10.1.8-3

    Description

      MariaDB process hangs with 100% CPU usage, while executing simple query with many logical conditions. Same query on MySQL 5.6.23 tooks only fraction of second to complete.

      To reproduce problem restore table from "testtable.sql" file and execute test.sql query.

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            sanja Oleksandr Byelkin
            adminiv Vytautas Bertašius
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            Dates

              Created:
              Updated:
              Resolved:

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