Hi community, I have submitted a PR with CALCITE-6008 to correct ARRAY_AGG function's return type.
If someone has time, please help me to review the PR, I would appreciate it very much. 1.CALCITE-6008: Jira: https://issues.apache.org/jira/browse/CALCITE-6008 PR: https://github.com/apache/calcite/pull/3430 Best, Jiabao
