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  1. MariaDB Server
  2. MDEV-33069

Instant Modify Column

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Details

    • New Feature
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None

    Description

      Supports to change datatype of columns to compatible datatype instantly, like: char(100) to varchar(200), int to bigint. Instant modify column only records column modification information in the data dictionary table, avoiding data copying, which can significantly speedup the performance of some time-consuming DDL operations.

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          is blocked by

          Task - A task that needs to be done. MDEV-33066 Tencent requested features

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

          Task - A task that needs to be done. MDEV-11424 Instant ALTER TABLE of failure-free record format changes

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

          Task - A task that needs to be done. MDEV-15563 Instant failure-free data type conversions

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

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              Unassigned Unassigned
              zhangyuan zhangyuan
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              Dates

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                Updated:

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