- test_parquet_stats.py was missing and the tests weren't run during
GVO.
- The tests in parquet_stats.test assume that the queries were executed
in a single fragment, so they now run with 'num_nodes = 1'.
- Parquet columns are now resolved correctly.
- Parquet files with missing columns are now handled correctly.
- Predicates with implicit casts can now be evaluated against
parquet::Statistics.
- This change also cleans up some old friend declarations I came across.
Change-Id: I54c205fad7afc4a0b0a7d0f654859de76db29a02
Reviewed-on: http://gerrit.cloudera.org:8080/6147
Reviewed-by: Lars Volker <lv@cloudera.com>
Tested-by: Impala Public Jenkins
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