hufukang created CALCITE-5617:
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Summary: count() + left join execution efficiency optimize
Key: CALCITE-5617
URL: https://issues.apache.org/jira/browse/CALCITE-5617
Project: Calcite
Issue Type: Task
Reporter: hufukang
Assignee: Benchao Li
SQL uses the count() aggregate function and uses left join to associate other
tables, the execution efficiency is very slow, and try to optimize the
aggregation function operator pushdown, hoping to put forward relevant
optimization suggestions.
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