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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/30 13:43:46 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #2979: to_timestamp timeunit to be consistent with postgrseql's

alamb commented on issue #2979:
URL: https://github.com/apache/arrow-datafusion/issues/2979#issuecomment-1200160297

   Hi @waitingkuo  -- I think given the desire to make datafusion "A Declarative SQL query interface compatible with PostgreSQL" as described on https://arrow.apache.org/datafusion/specification/roadmap.html#datafusion compatible changing the current `to_timestamp` to be `to_timestamp_nanos()` and changing `to_timestamp()` to be the same as the current `to_timestamp_seconds` would be reasonable
   
   Here are the docs, in case anyone is interested
   
   https://github.com/apache/arrow-datafusion/blob/2598893ac7737e92b3be7b74f606280b32264e0e/docs/source/user-guide/sql/datafusion-functions.md#to_timestamp


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