MinJi Kim created DRILL-4527:
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Summary: Remove unnecessary code: DrillAvgVarianceConvertlet.java
Key: DRILL-4527
URL: https://issues.apache.org/jira/browse/DRILL-4527
Project: Apache Drill
Issue Type: Bug
Components: Server
Reporter: MinJi Kim
Assignee: MinJi Kim
DrillConvertletTable is used as a way to have custom functions. For example,
for EXTRACT(), DrilLConvertletTable.get() returns DrillExtractConvertlet, which
returns a custom RexNode for the extract function.
On the other hand, DrillAvgVarianceConvertlet is never used.
stddev/avg/variance functions are handled by DrillAggregateRule and
DrillReduceAggregatesRule.
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