Division by zero problem

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  • cobolman

    Division by zero problem

    I've got the following SQL

    SELECT count(*) FROM tablea A
    JOIN tableb B ON ..etc..
    WHERE a.string_val = 'test' AND
    b.divider 0 AND
    a.number 0 AND
    (a.number / b.divider 0)

    The b.divider value can be 0, but still I get the division by zero
    error message.
    I guess the reason is that the database performs the where statements
    one at the time?

    So when performing the division a.number / b.divider it could get 0 in
    the divider even if b.divider 0 is also part of the where
    statement??

    My question is then.. How can I work around this problem? Changing the
    database to set b.divider always 0 is not an option
  • Mark

    #2
    Re: Division by zero problem

    Maybe this?

    SELECT count(*) FROM tablea A
    JOIN tableb B ON ..etc..
    WHERE a.string_val = 'test' AND
    b.divider 0 AND
    a.number 0 AND
    (a.number / NULLIF(b.divide r,0) 0)

    Comment

    • cobolman

      #3
      Re: Division by zero problem

      Thank you :)

      Comment

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