[ 
https://issues.apache.org/jira/browse/SOLR-8508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124383#comment-15124383
 ] 

Joel Bernstein commented on SOLR-8508:
--------------------------------------

Patch looks good. I like that it uses SQL to get the catalogs. This approach 
will come in very handy for accessing schemas.

A couple of implementation details:

1) Why move the SolrStream handling to the ResultSet? It seems like the 
Statement was the right place to do that.
2) It looks like you've embedded the catalog code into the doSelect() method. 
Another approach would be to add a doCatalog method and add that to the 
decision tree that chooses doSelect, doSelectDistinct etc. We can check the 
SQLVisitor.table variable in the if else.

> 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
>         Attachments: SOLR-8508.patch, SOLR-8508.patch
>
>
> 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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