[jira] [Created] (IGNITE-14641) Calcite engine. Implement covariance aggregate functions

[Taras Ledkov (Jira)]

Taras Ledkov created IGNITE-14641:
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             Summary: Calcite engine. Implement covariance aggregate functions
                 Key: IGNITE-14641
                 URL: https://issues.apache.org/jira/browse/IGNITE-14641
             Project: Ignite
          Issue Type: Improvement
          Components: sql
            Reporter: Taras Ledkov


Implement covariance aggregate functions:
- COVAR_POP, 
- COVAR_SAMP, 
- REGR_COUNT, 
- REGR_SXX, 
- REGR_SYY

Test:
{{aggregate/aggregates/test_covar.test}}



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