Row Count Estimation for Volcano Optimizer

Hi, I'm working on Beam SQL and we are using Apache Calcite for our query parsing and optimization. We are trying to use row count estimates for Volcano Optimizer. Currently, Calcite returns row count estimate of 100 for every table. It seems the cost estimate comes from bunch of handlers in org.a

Re: [DISCUSS] Towards Calcite 1.20.0

Regarding the issues where I am involved, I think the following can be finalized (and it would be nice to have) in the next two weeks: [CALCITE-2812] Add algebraic operators to allow expressing recursive [CALCITE-2969] Improve design of join-like relational expressions queries [CALCITE-2973] Allow

Re: [DISCUSS] Towards Calcite 1.20.0

Just revisiting this now that the Avatica has been fixed. I have the following list of pending JIRAs: [CALCITE-1581] UDTF like in hive [CALCITE-2812] Add algebraic operators to allow expressing recursive [CALCITE-2952] Certify Calcite on JDK 12 [CALCITE-2969] Improve design of join-like relational

[jira] [Created] (CALCITE-3080) support user-specified row schema in KafkaAdapter

Xu Mingmin created CALCITE-3080: --- Summary: support user-specified row schema in KafkaAdapter Key: CALCITE-3080 URL: https://issues.apache.org/jira/browse/CALCITE-3080 Project: Calcite Issue Typ