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https://issues.apache.org/jira/browse/FLINK-15302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16998760#comment-16998760
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Jark Wu commented on FLINK-15302:
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The backward compatibility has already been considered in FLIP-86[1],
[1]:
https://cwiki.apache.org/confluence/display/FLINK/FLIP-86%3A+Improve+Connector+Properties
> properties in create table DDL need to be backward compatible
> --------------------------------------------------------------
>
> Key: FLINK-15302
> URL: https://issues.apache.org/jira/browse/FLINK-15302
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Reporter: Bowen Li
> Assignee: Jark Wu
> Priority: Critical
>
> since we have a persistent HiveCatalog now, properties in create table DDL
> need to be backward compatible for at least 2 major versions, like state.
> Otherwise, e.g. if we change properties format in 1.11, table created via DDL
> in 1.10 may not be readable in 1.11
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