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  1. Derby
  2. DERBY-3741

SQL LENGTH function materializes CLOB into memory

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 10.3.3.0, 10.4.1.3, 10.5.1.1
    • 10.3.3.1, 10.4.2.0, 10.5.1.1
    • SQL
    • None
    • High Value Fix

    Description

      Similar to DERBY-3732, the SQL LENGTH function also materializes CLOB's into memory. See attached repro.

      Attachments

        1. LargeLengthClob.zip
          1 kB
          Katherine Marsden
        2. derby-3741-multibyte_test.diff
          7 kB
          Suran Jayathilaka
        3. derby-3741-mergeto-10.4-new.diff
          142 kB
          Suran Jayathilaka
        4. derby-3741-mergeto-10.4.diff
          142 kB
          Suran Jayathilaka
        5. derby-3741-2.diff
          11 kB
          Suran Jayathilaka
        6. derby-3741-1.diff
          11 kB
          Suran Jayathilaka
        7. derby-3741_multibyteclobtest_update_diff.txt
          8 kB
          Katherine Marsden
        8. derby.log
          179 kB
          Suran Jayathilaka
        9. ClobMemTest.java
          8 kB
          Suran Jayathilaka

        Issue Links

        is related to

        Improvement - An improvement or enhancement to an existing feature or task. DERBY-3732 SQL Length function materializes BLOB into memory

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

        Bug - A problem which impairs or prevents the functions of the product. DERBY-4040 SQLChar.getLength returns wrong length for some data values

        • Major - Major loss of function.
        • Closed

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          People

            suranjay Suran Jayathilaka
            kmarsden Katherine Marsden
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            Dates

              Created:
              Updated:
              Resolved:

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