[GitHub] [iceberg] openinx commented on issue #1973: Can we compact data files by some partition?

[GitBox <gi...@apache.org>]

openinx commented on issue #1973:
URL: https://github.com/apache/iceberg/issues/1973#issuecomment-749973267


   Currently, the RewriteDataFilesAction does not support compacting in a single partition directly, but provided a row [filter](https://github.com/apache/iceberg/blob/da9a0b24f21a4390a5270d94c576b62f3b49caec/core/src/main/java/org/apache/iceberg/actions/BaseRewriteDataFilesAction.java#L188)  option to filter those data files that need to compact.  If you have a column `ts` and partitioned by `day(ts)`,    I think you can use the expression `Expressions.equals("ts", "2020-12-23")` to execute the rewrite files action. 


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