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Posted to issues@flink.apache.org by "Weiqing Yang (Jira)" <ji...@apache.org> on 2025/08/14 05:51:00 UTC
[jira] [Updated] (FLINK-38242) Improve upgrading documentation for SQL/Table API state compatibility and add Flink 2.x to compatibility table
[ https://issues.apache.org/jira/browse/FLINK-38242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weiqing Yang updated FLINK-38242:
---------------------------------
Description:
This ticket aims to improve the current upgrading documentation in two areas:
1. SQL/Table API State Compatibility Warning: The current compatibility guidelines do not clearly warn that SQL/Table API jobs can encounter state incompatibilities during minor version upgrades (e.g., 1.16 → 1.20) due to changes in query optimizers and operator topologies, giving the impression that the rules apply uniformly to all job types.
2. Missing Flink 2.x Versions: The compatibility table is missing Flink 2.0.x and 2.1.x versions.
Changes needed:
- Add clear warning about SQL/Table API state compatibility in the Compatibility Table section
- Add Flink 2.0.x and 2.1.x rows to the compatibility table
was:
This ticket aims to improve the current upgrading documentation in two areas:
1. **SQL/Table API State Compatibility Warning**: The current compatibility guidelines do not clearly warn that SQL/Table API jobs can encounter state incompatibilities during minor version upgrades (e.g., 1.16 → 1.20) due to changes in query optimizers and operator topologies, giving the impression that the rules apply uniformly to all job types.
2. **Missing Flink 2.x Versions**: The compatibility table is missing Flink 2.0.x and 2.1.x versions.
Changes needed:
- Add clear warning about SQL/Table API state compatibility in the Compatibility Table section
- Add Flink 2.0.x and 2.1.x rows to the compatibility table
> Improve upgrading documentation for SQL/Table API state compatibility and add Flink 2.x to compatibility table
> --------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-38242
> URL: https://issues.apache.org/jira/browse/FLINK-38242
> Project: Flink
> Issue Type: Improvement
> Components: Documentation
> Reporter: Weiqing Yang
> Priority: Major
>
> This ticket aims to improve the current upgrading documentation in two areas:
> 1. SQL/Table API State Compatibility Warning: The current compatibility guidelines do not clearly warn that SQL/Table API jobs can encounter state incompatibilities during minor version upgrades (e.g., 1.16 → 1.20) due to changes in query optimizers and operator topologies, giving the impression that the rules apply uniformly to all job types.
> 2. Missing Flink 2.x Versions: The compatibility table is missing Flink 2.0.x and 2.1.x versions.
> Changes needed:
> - Add clear warning about SQL/Table API state compatibility in the Compatibility Table section
> - Add Flink 2.0.x and 2.1.x rows to the compatibility table
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