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  1. Derby
  2. DERBY-4684

Correct the implicit casting of other types to BOOLEAN

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.6.1.0
    • Fix Version/s: 10.7.1.1
    • Component/s: SQL
    • Labels:
      None
    • Bug behavior facts:
      Deviation from standard

      Description

      Via a UNION query, it is possible to implicitly cast non-BOOLEAN types to BOOLEAN today. These implicit casts do not obey the SQL Standard rules defined in part 2, section 6.12 (<cast specification>). Derby should support the Standard rules.

      The following query shows how you can implicitly cast a non-BOOLEAN data type to BOOLEAN today:

      select isindex from sys.sysconglomerates where conglomeratename = 'foo'
      union
      values ( 1 )

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              • Assignee:
                rhillegas Rick Hillegas
                Reporter:
                rhillegas Rick Hillegas
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                • Created:
                  Updated:
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