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https://issues.apache.org/jira/browse/CALCITE-3716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17040639#comment-17040639
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Danny Chen commented on CALCITE-3716:
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Is this issue planning to be resolved in release 1.22 ?
> 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
> Components: jdbc-driver
> Affects Versions: 1.21.0
> Reporter: Julian Hyde
> Assignee: Jin Xing
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> 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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