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Selecting only partition column causes table scan in parquet-hive #141

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billonahill opened this issue Mar 8, 2016 · 3 comments
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Selecting only partition column causes table scan in parquet-hive #141

billonahill opened this issue Mar 8, 2016 · 3 comments

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@billonahill
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select min(datehour) from foo; will cause a full table scan on a table foo partitioned by datehour. Instead the query should only scan the hive table metadata.
@cawallin
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cawallin commented Mar 8, 2016

@billonahill I think you meant to open this issue in facebook/presto rather than prestodb/presto-admin :)

@rschlussel-zz
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You should this issue in facebook/presto

@billonahill
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Ugh. Thanks! :)

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@billonahill @cawallin @rschlussel-zz