andygrove opened a new issue #707:
URL: https://github.com/apache/arrow-datafusion/issues/707
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
When running TPC-H query 12 I see query plans like this being executed:
```
ShuffleWriterExec: None
ParquetExec: ...
```
This means we are reading a Parquet partition and immediately streaming it
to disk in IPC format so that it can be read again later. This is introducing a
redundant write and read of this data.
**Describe the solution you'd like**
TBD
**Describe alternatives you've considered**
TBD
**Additional context**
None
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