Jaehwa Jung created TAJO-1932:
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Summary: TSql need to distinguish between empty string and blank.
Key: TAJO-1932
URL: https://issues.apache.org/jira/browse/TAJO-1932
Project: Tajo
Issue Type: Bug
Components: SQL Shell
Affects Versions: 0.11.0, 0.12.0
Reporter: Jaehwa Jung
Currently, if users enter blank after command type on tsql, they can't get
their respected result as following:
{code:xml}
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> ...]
{code}
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