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https://issues.apache.org/jira/browse/CALCITE-5071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17515177#comment-17515177
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Stamatis Zampetakis commented on CALCITE-5071:
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I don't completely see where the problem is since Calcite does support nesting
schemas at various depths and it is general enough to capture the use-case
above. Are you sure that this is not a problem on the Sqlline itself
(https://github.com/julianhyde/sqlline)?
> Schema.getTableMap cannot handle tables with the same name in
> "Schema->SubSchema->Table" mode
> ---------------------------------------------------------------------------------------------
>
> Key: CALCITE-5071
> URL: https://issues.apache.org/jira/browse/CALCITE-5071
> Project: Calcite
> Issue Type: Improvement
> Reporter: itxiangkui
> Priority: Major
>
> When I define catalog(schema) -> database(subschema) -> table three-level
> warehouse management mode, RootSchema is defined as Catalog, the example is
> as follows:
> - es
> -- db1
> --- table1
> - mysql
> -- db2
> --- table1
> When I use the !tables command under Sqlline, that will trigger the call
> getTableMap()
> RootSchema.getTableNames()
> RootSchema.getTable(String name)
> three methods,
> I extended RootSchema.getTableMap() and found that table1 with the same name
> will appear, then the !tables result set can only display one of the table
> items
> Can we consider getTableMap() to return Guava Multimap and similar data
> structures....
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