GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/20346
[MINOR][SQL] Fix wrong comments on
org.apache.spark.sql.parquet.row.attributes
## What changes were proposed in this pull request?
This PR fixes the wrong comment on
`org.apache.spark.sql.parquet.row.attributes`
which is useful for UDT like Vector/Matrix. Please see
[SPARK-22320](https://issues.apache.org/jira/browse/SPARK-22320) for the usage.
Originally,
[SPARK-19411](https://github.com/apache/spark/commit/bf493686eb17006727b3ec81849b22f3df68fdef#diff-ee26d4c4be21e92e92a02e9f16dbc285L314)
left this behind during removing optional column metadatas. In the same PR,
the same comment was removed at line 310-311.
## How was this patch tested?
N/A (This is about comments).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark minor_comment_parquet
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20346.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20346
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commit 4207754cc67633956b80e213875f6f5c3c2c0952
Author: Dongjoon Hyun <dongjoon@...>
Date: 2018-01-22T01:58:48Z
[MINOR] Fix wrong comments on org.apache.spark.sql.parquet.row.attributes
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