Xiao Li created SPARK-17603:
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Summary: Utilize Hive-generated Statistics For Partitioned Tables
Key: SPARK-17603
URL: https://issues.apache.org/jira/browse/SPARK-17603
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0, 2.1.0
Reporter: Xiao Li
For non-partitioned tables, Hive-generated statistics are stored in table
properties. However, for partitioned tables, Hive-generated statistics are
stored in partition properties. Thus, we are unable to utilize the
Hive-generated statistics for partitioned tables.
The statistics might not be gathered for all the partitions in Hive. For
partial collection, we will not utilize the Hive-generated statistics.
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