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https://issues.apache.org/jira/browse/KYLIN-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14645389#comment-14645389
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hongbin ma commented on KYLIN-915:
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I suggest using interactive choosing here, to make sure correct upgration
> appendDBName in CubeMetadataUpgrade will return null
> ----------------------------------------------------
>
> Key: KYLIN-915
> URL: https://issues.apache.org/jira/browse/KYLIN-915
> Project: Kylin
> Issue Type: Bug
> Reporter: hongbin ma
> Assignee: Shaofeng SHI
>
> In current implementation, appendDBName will return null if more than one
> tables share the table name. The caller is not aware of this, and will put
> null values into project/cube instance, this will cause runtime errors.
> if (count == 1)
> return result;
> if (count > 1) {
> errorMsgs.add("There are more than 1 table named with '" + table
> + "' in different database; The program couldn't determine, randomly pick '"
> + result + "'");
> }
> if (count == 0) {
> errorMsgs.add("There is no table named with '" + table + "'");
> }
> return result;
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