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Sergey Nuyanzin commented on FLINK-27998: ----------------------------------------- Hi [~martijnvisser] could you please assign it to me? I would volunteer to contribute here. Currently I'm playing with 1.27. Once it starts passing tests I could go further Here it is my sandbox https://github.com/snuyanzin/flink/tree/calcite_update > Upgrade Calcite version to 1.30 > ------------------------------- > > Key: FLINK-27998 > URL: https://issues.apache.org/jira/browse/FLINK-27998 > Project: Flink > Issue Type: Technical Debt > Components: Table SQL / API, Table SQL / Runtime > Reporter: Martijn Visser > Priority: Major > > The latest available version of Calcite is currently 1.30. We already need to > execute the rework that was planned when upgrading to Calcite 1.27 > FLINK-20873 and when upgrading to Calcite 1.28 FLINK-21239 > When doing this upgrade, we should do this to the last available version. > This is needed to resolve multiple bugs. > Additional note: Flink currently uses Calcite 1.26.0 which has this note on > the release page: > {{Warning: Calcite 1.26.0 has severe issues with RexNode simplification > caused by SEARCH operator ( wrong data from query optimization like in > CALCITE-4325, CALCITE-4352, NullPointerException), so use 1.26.0 for > development only, and beware that Calcite 1.26.0 might corrupt your data.}} > https://calcite.apache.org/news/2020/10/06/release-1.26.0/ -- This message was sent by Atlassian Jira (v8.20.7#820007)