HIVE-26830: Update TPCDS30TB metastore dump with histograms #6163
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thomasrebele
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omg 👍 , should we even bother reviewing q.out changes? |
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I've investigated the changes to the q.out file for The new metastore is an improvement. Besides the histogram statistics, it fixes the statistics for NUM_NULLS, which are very often 0 in the old dump. |
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What changes were proposed in this pull request?
I've updated the metastore dump with the export from a TPC-DS 30TB database with histogram. I've also regenerated the qfiles with org.apache.hadoop.hive.cli.TestTezTPCDS30TBPerfCliDriver.
Why are the changes needed?
The PR makes it possible to test the planning phase with histograms.
Does this PR introduce any user-facing change?
No
How was this patch tested?
Execute TestTezTPCDS30TBPerfCliDriver locally.