Volodymyr Vysotskyi created DRILL-7116:
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Summary: Adapt statistics to use Drill Metastore API
Key: DRILL-7116
URL: https://issues.apache.org/jira/browse/DRILL-7116
Project: Apache Drill
Issue Type: Sub-task
Affects Versions: 1.16.0
Reporter: Volodymyr Vysotskyi
Assignee: Volodymyr Vysotskyi
Fix For: 1.17.0
The current implementation of statistics supposes the usage of files for
storing and reading statistics.
The aim of this Jira is to adapt statistics to use Drill Metastore API so in
future it may be stored in other metastore implementations.
Implementation details:
- Move statistics info into {{TableMetadata}}
- Provide a way for obtaining {{TableMetadata}} in the places where statistics
may be used (partially implemented in the scope of DRILL-7089)
- Investigate and implement (if possible) lazy materialization of
{{DrillStatsTable}}.
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