Eron Wright  created FLINK-11247:
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             Summary: Fix DESCRIBE command to support catalog tables
                 Key: FLINK-11247
                 URL: https://issues.apache.org/jira/browse/FLINK-11247
             Project: Flink
          Issue Type: Sub-task
            Reporter: Eron Wright 


When the {{DESCRIBE}} command is applied to a catalog table, it fails with an 
error:

{code}
Flink SQL> DESCRIBE nyc.TaxiRides;                                              
                                                                                
                  
[ERROR] Could not execute SQL statement. Reason:                                
                                                                                
                  
org.apache.flink.table.api.TableException: Table 'nyc.TaxiRides' was not found.
{code}

The reason appears to be that {{LocalExecutor}} calls 
{{TableEnvironment::scan}} with the fully-qualified table name as a parameter 
(e.g. {{scan("nyc.TaxiRides")}}) rather than with an array of components (e.g. 
{{scan("nyc", "TaxiRides")}}).



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