??????[DISCUSS] State of the project 2020

Hi Stamatis, Thanks for your great work! Calcite is very good at semantic transformation of relational algebra. In the process of the project, users can optimize relational algebra by implementing RelOptRule or RelShuttle and so on, so as to bring relational algebra into physical query

[jira] [Created] (CALCITE-4391) When the join condition order is different, materialized view recognition fails

xzh_dz created CALCITE-4391: --- Summary: When the join condition order is different, materialized view recognition fails Key: CALCITE-4391 URL: https://issues.apache.org/jira/browse/CALCITE-4391 Project:

[jira] [Created] (CALCITE-4390) SqlMatchRecognize returns wrong operand list

Dawid Wysakowicz created CALCITE-4390: - Summary: SqlMatchRecognize returns wrong operand list Key: CALCITE-4390 URL: https://issues.apache.org/jira/browse/CALCITE-4390 Project: Calcite