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  1. MariaDB Server
  2. MDEV-9981

Window function: Assertion(order) failed in Filesort::Filesort when using OVER()

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 10.2(EOL)
    • N/A
    • Optimizer
    • None

    Description

      This query:

      DROP TABLE IF EXISTS t1;
      		 
      CREATE TABLE t1 (a INT);
      		 
      INSERT INTO t1 VALUES (10),(20),(30),(40);
      		 
      SELECT AVG(a) OVER () FROM t1;

      crashed the server on DBUG_ASSERT:

      mysqld: /home/bar/maria-git/server.10.2/sql/filesort.h:70: Filesort::Filesort(ORDER*, ha_rows, bool, SQL_SELECT*): Assertion `order' failed.

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            Unassigned Unassigned
            bar Alexander Barkov
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            Dates

              Created:
              Updated:
              Resolved:

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