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https://issues.apache.org/jira/browse/FLINK-16526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17057032#comment-17057032
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Jark Wu commented on FLINK-16526:
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This is a bug, I will fix it.
> Escape character doesn't work for computed column
> -------------------------------------------------
>
> Key: FLINK-16526
> URL: https://issues.apache.org/jira/browse/FLINK-16526
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.10.0
> Reporter: YufeiLiu
> Priority: Major
>
> {code:sql}
> json_row ROW<`timestamp` BIGINT>,
> `timestamp` AS `json_row`.`timestamp`
> {code}
> It translate to "SELECT json_row.timestamp FROM __temp_table__"
> Throws exception "Encountered ". timestamp" at line 1, column 157. Was
> expecting one of:..."
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