This is an umbrella issue for all tasks that need to be done once Apache Calcite 1.13 is released.
Integration of SQL and CEP
Improve built-in scalar function when upgrade calcite version to 1.13
Semantics of OVERLAPS in Table API diverge from the SQL standard
DateTimeUtils produces incorrect results for days before Gregorian cutovers
Enable more predicate push-down in joins
Support multiple consecutive windows in SQL
GitHub Pull Request #4373