Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/719#issuecomment-139851982
There is another issue as follows.
```
postgres> \d
customer
postgres> select count(*) from customer;
ERROR: No error message
```
Here is the query master log.
```
...
2015-09-13 17:34:29,422 INFO
org.apache.tajo.engine.planner.PhysicalPlannerImpl: The planner chooses [Hash
Aggregation]
2015-09-13 17:34:29,429 INFO org.apache.tajo.storage.jdbc.JdbcScanner:
Generated SQL: SELECT 1 FROM null
2015-09-13 17:34:29,434 ERROR org.apache.tajo.worker.TaskImpl: internal
error: FATAL: database "jihoonson&table=customer" does not exist
org.apache.tajo.exception.TajoInternalError: internal error: FATAL:
database "jihoonson&table=customer" does not exist
at
org.apache.tajo.storage.jdbc.JdbcScanner.executeQueryAndGetIter(JdbcScanner.java:249)
at org.apache.tajo.storage.jdbc.JdbcScanner.next(JdbcScanner.java:102)
at
org.apache.tajo.engine.planner.physical.FullScanIterator.hasNext(FullScanIterator.java:39)
at
org.apache.tajo.engine.planner.physical.SeqScanExec.next(SeqScanExec.java:258)
at
org.apache.tajo.engine.planner.physical.HashAggregateExec.compute(HashAggregateExec.java:52)
at
org.apache.tajo.engine.planner.physical.HashAggregateExec.next(HashAggregateExec.java:84)
at
org.apache.tajo.engine.planner.physical.HashShuffleFileWriteExec.next(HashShuffleFileWriteExec.java:102)
at org.apache.tajo.worker.TaskImpl.run(TaskImpl.java:403)
at org.apache.tajo.worker.TaskContainer.run(TaskContainer.java:65)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
2015-09-13 17:34:29,435 INFO org.apache.tajo.worker.TaskAttemptContext:
Query status of ta_1442133232061_0002_000001_000000_00 is changed to TA_FAILED
2015-09-13 17:34:29,437 INFO org.apache.tajo.worker.TaskImpl:
ta_1442133232061_0002_000001_000000_00 completed. Worker's task counter -
total:1, succeeded: 0, killed: 0, failed: 1
...
```
In the above error message of ```database "jihoonson&table=customer" does
not exist```, ```jihoonson``` is the name of the database which is mapped from
pgsql to tajo.
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