Description
Currently, if users enter blank after command type on tsql, they can't get their respected result as following:
default> \d nation table name: default.nation table uri: hdfs://localhost:9010/tpch/nation store type: TEXT number of rows: unknown volume: 2.2 kB Options: 'totalSize'='0' 'numRows'='-1' 'rawDataSize'='-1' 'COLUMN_STATS_ACCURATE'='false' 'numFiles'='0' 'transient_lastDdlTime'='1441287410' 'text.null'='\\N' 'text.delimiter'='|' schema: n_nationkey INT8 n_name TEXT n_regionkey INT8 n_comment TEXT default> \d nation ERROR: No error message default> \dfs -ls /tpch/nation Found 1 items -rw-r--r-- 1 blrunner supergroup 2224 2015-03-30 15:16 /tpch/nation/nation.tbl default> \dfs -ls /tpch/nation -ls: Can not create a Path from an empty string Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [<path> ...]