[jira] [Assigned] (CALCITE-3716) ResultSetMetaData.getTableName should return empty string, not null, when column does not map to a table

[Jin Xing (Jira)]

     [ 
https://issues.apache.org/jira/browse/CALCITE-3716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jin Xing reassigned CALCITE-3716:
---------------------------------

    Assignee: Jin Xing

> ResultSetMetaData.getTableName should return empty string, not null, when 
> column does not map to a table
> --------------------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-3716
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3716
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Jin Xing
>            Priority: Major
>
> Per the [JDBC 
> spec|https://docs.oracle.com/javase/8/docs/api/java/sql/ResultSetMetaData.html#getTableName-int-],
>  {{ResultSetMetaData.getTableName}} should return empty string, not null, 
> when column does not map to a table. Similarly getCatalogName, getSchemaName, 
> getColumnName.



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