Maryann Xue created PHOENIX-1851:
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Summary: Implement PhoenixMetadataFactory in Phoenix/Calcite
Integration
Key: PHOENIX-1851
URL: https://issues.apache.org/jira/browse/PHOENIX-1851
Project: Phoenix
Issue Type: Sub-task
Reporter: Maryann Xue
The MetadataFactory is to provide information required for calculating cost for
RelNode instances. It includes row count, selectivity, distinct row count, etc.
Some of the information may be already available from existing Phoenix
statistics, and we will have to enhance Phoenix statistics to implement the
rest.
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