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https://issues.apache.org/jira/browse/SOLR-8508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15120068#comment-15120068
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Joel Bernstein commented on SOLR-8508:
--------------------------------------
I think the best approach is to sublcass StatementImpl and create a statement
that sends these types of database meta data requests to the SQLHandler. The
SQLHandler can respond with custom Streams that fulfill the request.
I think for the catalog request we can simply return one Tuple with the zkHost
address. Eventually there will be a mechanism for mapping zkHosts to names so
that we can query across zkHosts like this:
select a from table@zkJapan
The schema's will map directly to SolrCloud collections.
As we dig deeper into this we start to overlap with work that needs to be done
for the Calcite optimizer implementation (SOLR-8593).
> Implement DatabaseMetaDataImpl.getCatalogs()
> --------------------------------------------
>
> Key: SOLR-8508
> URL: https://issues.apache.org/jira/browse/SOLR-8508
> Project: Solr
> Issue Type: Sub-task
> Components: SolrJ
> Affects Versions: Trunk
> Reporter: Kevin Risden
>
> DBVisualizer users DatabaseMetaDataImpl.getCatalogs() to populate information
> after connecting. It causes the below error and shows up in the connection
> window.
> 2016-01-07 13:30:10.848 FINE 83 [ExecutorRunner-pool-2-thread-10 -
> B.execute] Execute Command: getCatalogs
> 2016-01-07 13:30:10.848 FINE 83 [ExecutorRunner-pool-2-thread-10 - O.ￄﾘ]
> getCatalogs() for: abc
> 2016-01-07 13:30:10.848 FINE 83 [pool-3-thread-10 - E.ￄﾁ] RootConnection:
> DatabaseMetaDataImpl.getCatalogs()
> 2016-01-07 13:30:10.851 FINE 83 [AWT-EventQueue-0 - B.executionFinished]
> Exception while Connecting
> com.onseven.dbvis.K.B.P: java.util.concurrent.ExecutionException:
> java.lang.IllegalArgumentException: model passed to DefaultTableModelWrapper
> cannot be null
> at com.onseven.dbvis.K.B.L.ￄﾁ(Z:2680)
> at com.onseven.dbvis.K.B.L.ￄﾁ(Z:1521)
> at com.onseven.dbvis.K.B.L$3.run(Z:3032)
> at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
> at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
> at java.awt.EventQueue.access$500(EventQueue.java:97)
> at java.awt.EventQueue$3.run(EventQueue.java:709)
> at java.awt.EventQueue$3.run(EventQueue.java:703)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
> at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
> at
> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
> at
> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
> at
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
> at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
> at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.IllegalArgumentException: model passed to DefaultTableModelWrapper
> cannot be null
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at javax.swing.SwingWorker.get(SwingWorker.java:602)
> at com.onseven.dbvis.K.B.L.ￄﾁ(Z:990)
> ... 16 more
> Caused by: java.lang.IllegalArgumentException: model passed to
> DefaultTableModelWrapper cannot be null
> at com.jidesoft.grid.TableModelWrapperImpl.<init>(Unknown Source)
> at com.jidesoft.grid.DefaultTableModelWrapper.<init>(Unknown Source)
> at com.jidesoft.grid.FilterableTableModel.<init>(Unknown Source)
> at com.jidesoft.grid.FilterableTreeTableModel.<init>(Unknown Source)
> at com.onseven.dbvis.K.B._.<init>(Z:1161)
> at com.onseven.dbvis.db.AbstractFacade.executeAndGet(Z:975)
> at com.onseven.dbvis.db.AbstractFacade.getCatalogNames(Z:621)
> at com.onseven.dbvis.db.AbstractFacade.runConnectionSetup(Z:2515)
> at com.onseven.dbvis.db.A.I.ￄﾷ(Z:3512)
> at com.onseven.dbvis.db.A.B.execute(Z:2933)
> at com.onseven.dbvis.K.B.Z.ￄﾁ(Z:2285)
> at com.onseven.dbvis.K.B.L.ￄﾂ(Z:1374)
> at com.onseven.dbvis.K.B.L.doInBackground(Z:1521)
> at javax.swing.SwingWorker$1.call(SwingWorker.java:295)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at javax.swing.SwingWorker.run(SwingWorker.java:334)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
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