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  1. MariaDB Server
  2. MDEV-24160

date_format() mixed with if() in a computed column causes server segfault

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 10.4.14
    • Fix Version/s: N/A
    • Component/s: Virtual Columns
    • Labels:
      None
    • Environment:
      Fedora 32

      Description

      I have a table containing two date fields, a text field and a varchar(128) field. I did a

      alter table event add full_event_name text as (concat(
      		 
        date_format(event_starts_on, '%Y-%m-%d '),                         
        if(event_starts_on <> event_ends_on, date_format(event_ends_on, 'to %Y-%m-%d '), ''),
      		 
        event_location_id, ' ',                                                              
        event_name));

      After I did that, accessing the table (say, by doing a mysqldump of its database) causes the server to segfault. If I remove the date_format() calls or the if(), the server doesn't segfault.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. MDEV-24176 Server crashes after insert in the table with virtual column generated using date_format() and if()

          • Critical - Crashes, loss of data, severe memory leak.
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              Assignee:
              Unassigned Unassigned
              Reporter:
              dajt Jay Fenlason
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                Dates

                Created:
                Updated:
                Resolved:

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