jiaan.geng created SPARK-37527:
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             Summary: Translate more standard aggregate functions for pushdown
                 Key: SPARK-37527
                 URL: https://issues.apache.org/jira/browse/SPARK-37527
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: jiaan.geng


Currently, Spark aggregate pushdown will translate some standard aggregate 
functions, so that compile these functions suitable specify database.

After this job, users could override JdbcDialect.compileAggregate to implement 
some aggregate functions supported by some database.



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