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  1. MariaDB ColumnStore
  2. MCOL-271

Improved support for NULL for Varchar/char/text/datetime/timestamp + ?

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Details

    • New Feature
    • Status: Closed (View Workflow)
    • Blocker
    • Resolution: Fixed
    • None
    • 23.10.0
    • None

    Description

      I suspect this is related to MCOL-171.

      MariaDB [sakila]> create table t2 (a varchar(255)) engine=columnstore;Query OK, 0 rows affected (0.61 sec)

      MariaDB [sakila]> insert into t2 values ('');
      Query OK, 1 row affected (0.26 sec)

      MariaDB [sakila]> select * from t2;
      ------

      a

      ------

      NULL

      ------
      1 row in set (0.10 sec)

      MariaDB [sakila]> create table t1 (a varchar(255) not null) engine=columnstore;
      Query OK, 0 rows affected (0.53 sec)

      MariaDB [sakila]> insert into t1 values ('');
      ERROR 1815 (HY000): Internal error: CAL0001: Insert Failed: IDB-4015: Column 'a' cannot be null.

      --------------------------
      external effects on NULL where clause used in appications

      https://docs.google.com/document/d/1dZ6jlp3_tZ0NPQp9LXG0sFVvrMvJOKGTNwwVy80SCws/edit

      Attachments

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. MCOL-5035 MariaDB Columnstore all versions: update and inserts behave differently on 0000-00-00 00:00:00 datetime

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

          Task - A task that needs to be done. MCOL-92 Support full numeric ranges for all data types

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MCOL-1423 cpimport loads empty value ("") as NULL for all data types

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4403 Trailing spaces not behaving as InnoDB

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

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4579 CHAR(2) NULL: empty strings or SPACE(N) get converted to NULL

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4729 ColumnStore treating NULL and empty strings as the same

          • Major - Major loss of function.
          • Closed
          is part of

          Task - A task that needs to be done. MCOL-25 001 Working Folder UM Join Test Fails

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

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4403 Trailing spaces not behaving as InnoDB

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

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4577 VARCHAR(2) NOT NULL: explicit empty string gets converted to DEFAULT

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-4578 CHAR(2) NOT NULL: Empty string or SPACE(N) get converted to DEFAULT

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-171 0000-00-00 dates are not supported and are munged to NULL with no warnings

          • Major - Major loss of function.
          • Closed

          Activity

            People

              sergey.zefirov Sergey Zefirov
              LinuxJedi Andrew Hutchings (Inactive)
              Roman Roman
              Votes:
              1 Vote for this issue
              Watchers:
              13 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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