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https://issues.apache.org/jira/browse/FLINK-36399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17885343#comment-17885343
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david radley commented on FLINK-36399:
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[~jackylau] I see this flag is deprecated - is this going to be removed at v2,
since try cast should be used instead.
Does this issue occur with try cast?
> cast result is incorrect
> ------------------------
>
> Key: FLINK-36399
> URL: https://issues.apache.org/jira/browse/FLINK-36399
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 2.0-preview
> Reporter: Jacky Lau
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0-preview
>
>
> case:
> configuration.set(
> ExecutionConfigOptions.TABLE_EXEC_LEGACY_CAST_BEHAVIOUR,
> ExecutionConfigOptions.LegacyCastBehaviour.ENABLED);
> tableEnv.executeSql("SELECT CAST(CAST('100' AS DECIMAL(2, 0)) AS
> STRING)").print();
>
> expected is null but it is empty string
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