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  1. MariaDB Server
  2. MDEV-33805

Crash after pushing down condition with DEFAULT to derived table

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.5
    • None
    • Optimizer
    • None

    Description

      CREATE TABLE t1 (c1 INT);
      		 
      INSERT INTO t1 VALUES (1);
      		 
      CREATE TABLE t2 (c2 INT);
      		 
      INSERT INTO t2 VALUES (1);
      		 
       
      		 
      SET optimizer_switch='derived_merge=off';
      		 
       
      		 
      EXPLAIN EXTENDED
      		 
           SELECT dt1_c1 FROM 
             (SELECT c1 AS dt1_c1 FROM t1) AS dt1
      		 
             JOIN 
             (SELECT 1 AS dt2_c2 FROM t2) AS dt2
      		 
                ON DEFAULT(dt2_c2) BETWEEN dt1_c1 AND dt1_c1;

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25012 Server crash in find_field_in_tables, Assertion `name' failed in find_field_in_table_ref

          • Critical - Crashes, loss of data, severe memory leak.
          • Confirmed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33010 Condition with CHARSET()/COERCIBILITY() erroneously pushed into derived table

          • Critical - Crashes, loss of data, severe memory leak.
          • Stalled

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              oleg.smirnov Oleg Smirnov
              oleg.smirnov Oleg Smirnov
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              Dates

                Created:
                Updated:

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