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https://issues.apache.org/jira/browse/FLINK-20704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu reassigned FLINK-20704:
-------------------------------
Assignee: Danny Chen
> Some rel data type does not implement the digest correctly
> ----------------------------------------------------------
>
> Key: FLINK-20704
> URL: https://issues.apache.org/jira/browse/FLINK-20704
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Legacy Planner
> Affects Versions: 1.12.0, 1.11.3
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.1
>
>
> Some of the rel data types for legacy planner:
> - {{GenericRelDataType}}
> - {{ArrayRelDataType}}
> - {{MapRelDataType}}
> - {{MultisetRelDataType}}
> Does not implement the digest correctly, especially for
> {{GenericRelDataType}} , the {{RelDataTypeFactory}} caches the type instances
> based on its digest, a wrong digest impl would mess up the type instance
> creation, e.g. without this patch, all the {{GenericRelDataType}} instances
> have same digest `ANY`.
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