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https://issues.apache.org/jira/browse/ARROW-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16849240#comment-16849240
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TP Boudreau commented on ARROW-3729:
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Could someone please assign this issue to me? I don't seem to be able to claim
it myself. Thanks.
The enhancement I'm contemplating (and have largely completed) involves
switching over to using (that is, generating on write, recognizing on read) the
new parquet.thrift LogicalType (aka "annotation") metadata recently introduced
into parquet-cpp (see PARQUET-1411). Thus the patch will be broader than just
adding nanosecond units to timestamps, but will include that.
> [C++] Support for writing TIMESTAMP_NANOS Parquet metadata
> ----------------------------------------------------------
>
> Key: ARROW-3729
> URL: https://issues.apache.org/jira/browse/ARROW-3729
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: parquet
> Fix For: 0.14.0
>
>
> This was brought up on the mailing list.
> We also will need to do corresponding work in the parquet-cpp library to opt
> in to writing nanosecond timestamps instead of casting to micro- or
> millisecond.
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