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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/02/27 00:09:53 UTC
[GitHub] [druid] sascha-coenen commented on issue #9416: COALESCE does not
work with empty strings as documentation states it would
sascha-coenen commented on issue #9416: COALESCE does not work with empty strings as documentation states it would
URL: https://github.com/apache/druid/issues/9416#issuecomment-591709035
would it be possible to change the behaviour of LOOKUPS such that a key miss evaluates to NULL rather than an empty string? In that case we would not have a need for dealing with empty strings. Formulating fallbacks for lookups is our only usecase in which we need to check for empty strings.
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