HeartSaVioR edited a comment on pull request #28326:
URL: https://github.com/apache/spark/pull/28326#issuecomment-620310834
Sorry for maybe out-of-topic, but I'm seeing that column metadata may have
more issues due to not properly defined its usage and how it should be handled.
I'm a
HeartSaVioR edited a comment on pull request #28326:
URL: https://github.com/apache/spark/pull/28326#issuecomment-620310834
Sorry for maybe out-of-topic, but I'm seeing that column metadata may have
more issues due to not properly defined its usage and how it should be handled.
I'm a
HeartSaVioR edited a comment on pull request #28326:
URL: https://github.com/apache/spark/pull/28326#issuecomment-619831846
> Each Attribute/Alias has its own metadata and can easily be hidden by the
outer-most Alias.
Yeah I see the concern - I'm not sure the column metadata was cons
HeartSaVioR edited a comment on pull request #28326:
URL: https://github.com/apache/spark/pull/28326#issuecomment-619751876
> Sometimes we have to, for example, a + b as c, what should be the metadata
of c?
The metadata of expression for `a + b` if there's no explicit set of
metadat
HeartSaVioR edited a comment on pull request #28326:
URL: https://github.com/apache/spark/pull/28326#issuecomment-619751876
> Sometimes we have to, for example, a + b as c, what should be the metadata
of c?
The metadata of expression for `a + b` if there's no explicit set of
metadat
