Alexander Belyak created IGNITE-14855:
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Summary: Index/Correlated statistics
Key: IGNITE-14855
URL: https://issues.apache.org/jira/browse/IGNITE-14855
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Alexander Belyak
To improve multi-column join selectivity prediction Ignite can calculate
statistics on few columns at once. For full index or for specified list of
columns. Query optimizer should use it (if they exists) instead of single
column statistics.
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