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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/03/17 11:59:08 UTC
[GitHub] [druid] xiaohui0318 opened a new issue #9528: How do I keep a dimension where all the values are empty？？？
xiaohui0318 opened a new issue #9528: How do I keep a dimension where all the values are empty？？？
URL: https://github.com/apache/druid/issues/9528
When data is ingestion, if there is a column in which all values are null,druid will remove this dimension; In this case, the query for this field will report an error. Is there any way to keep this dimension or set the default value for this null value?
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[GitHub] [druid] xiaohui0318 commented on issue #9528: How do I keep a dimension where all the values are empty？？？
Posted by GitBox <gi...@apache.org>.
xiaohui0318 commented on issue #9528: How do I keep a dimension where all the values are empty？？？
URL: https://github.com/apache/druid/issues/9528#issuecomment-600949899
I found a way, in a middlemanager configuration and set druid.Generic.UseDefaultValueForNull=false(single-server/micro-quickstart), and then change the null to "",this dimension into the druid; After I modify the druid middlemanager on line in this way, but it does not take effect. Do I need to modify other configurations?
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