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  1. MariaDB Server
  2. MDEV-30711

Crash in add_keyuses_for_splitting() when joining with a derived table

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Details

    • Can result in hang or crash
    • Q3/2025 Maintenance

    Description

      Step 1: Create a table and insert data
      1. Create database sqltester
      create database sqltester
      2. Execute the attachment file to create a table and insert data
      source sqltester_ for_ parallel_ with_ index.2k_ dp_ 210col.index_ desc.sql
      3. Execute the attachment file to create a table and insert data
      source sqltester_ for_ parallel_ with_ index_ view_ part_ tab.sql
      Step 2: Execute the query plan
      source explain_ temp_ sql.sql

      Attachments

        1. image-2023-02-22-20-44-48-747.png
          69 kB
          guozhentang
        2. mdev30711_initial.test
          2.90 MB
          Alice Sherepa
        3. mdev30711.test
          65 kB
          Alice Sherepa
        4. mdev-30711-simplified-2.test
          2 kB
          Sergei Petrunia
        5. mdev-30711-simplified-3.test
          1 kB
          Sergei Petrunia
        6. sql_file.rar
          93 kB
          guozhentang

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32607 Server crash on query

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-30081 Crash with splitting from constant mergeable derived table

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-14999 [Draft] Server crashes in optimize_keyuse

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33139 Crash of INSERT SELECT when preparing structures for split optimization

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

          Activity

            People

              psergei Sergei Petrunia
              guozhentang guozhentang
              Votes:
              1 Vote for this issue
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              9 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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