[jira] [Created] (DRILL-575) RPAD/LPAD functions fails when padded string is not specified

["Krystal (JIRA)" <ji...@apache.org>]

Krystal created DRILL-575:
-----------------------------

             Summary: RPAD/LPAD functions fails when padded string is not specified
                 Key: DRILL-575
                 URL: https://issues.apache.org/jira/browse/DRILL-575
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.0.0
            Reporter: Krystal


In oracle and postgres, rpad and lpad functions defaults to spaces when str2 is not specified - rpad(str1, length [, str2]).  For example in oracle:

SQL> select rpad(name,20) from voter where voter_id=10;

RPAD(NAME,20)
--------------------
tom underhill

SQL> select lpad(name,20) from voter where voter_id=10;

LPAD(NAME,20)
--------------------
       tom underhill

In drill, the queries fail because the str2 parameter is required:

0: jdbc:drill:schema=dfs> relect lpad(name, 20) from voter where voter_id=10;
Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while running query.[error_id: "dde5cf1c-1d05-46c4-902a-c4bd6621c065"
endpoint {
  address: "qa-node57.qa.lab"
  user_port: 31010
  control_port: 31011
  data_port: 31012
}
error_type: 0
message: "Failure while parsing sql. < SqlParseException:[ Non-query expression encountered in illegal context ] < EigenbaseException:[ Non-query expression encountered in illegal context ]"
]






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