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https://issues.apache.org/jira/browse/HIVE-5898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth J updated HIVE-5898:
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Description: This is a subtask of HIVE-5369. Current metastore api for
fetching column statistics can only be done for per partition and per column
basis. This will impact the performance of statistics annotation (during
explain or explain extended) when the number of partitions and number of
columns are large. Until metastore api is fixed, make fetching of column
statistics configurable and set its default to false. (was: Current metastore
api for fetching column statistics can only be done for per partition and per
column basis. This will impact the performance of statistics annotation (during
explain or explain extended) when the number of partitions and number of
columns are large. Until metastore api is fixed, make fetching of column
statistics configurable and set its default to false.)
> Make fetching of column statistics configurable
> -----------------------------------------------
>
> Key: HIVE-5898
> URL: https://issues.apache.org/jira/browse/HIVE-5898
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor, Statistics
> Reporter: Prasanth J
> Assignee: Prasanth J
> Fix For: 0.13.0
>
>
> This is a subtask of HIVE-5369. Current metastore api for fetching column
> statistics can only be done for per partition and per column basis. This will
> impact the performance of statistics annotation (during explain or explain
> extended) when the number of partitions and number of columns are large.
> Until metastore api is fixed, make fetching of column statistics configurable
> and set its default to false.
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