GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/9327
[SPARK-11103][SQL] Filter applied on Merged Parquet shema with new column
fail
When enabling mergedSchema and predicate filter, this fails since Parquet
filters are pushed down regardless of each schema of the splits (or rather
files).
This is related with Parquet issue
(https://issues.apache.org/jira/browse/PARQUET-389).
For now, it just simply disable predicate push down when using merged
schema in this PR.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-11103
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9327.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 #9327
----
commit 85dadbcb458eec1067b6bae838ca930b8d958f4a
Author: hyukjinkwon <gurwls...@gmail.com>
Date: 2015-10-28T08:30:15Z
[SPARK-11103][SQL] Disable predicate push down when using merged schema for
Parquet.
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