Saving all output to "!!{outputDirectory}!!/rcfile_merge3.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/rcfile_merge3.q
>>>  set hive.merge.rcfile.block.level=true;
No rows affected 
>>>  set mapred.max.split.size=100;
No rows affected 
>>>  set mapred.min.split.size=1;
No rows affected 
>>>  
>>>  DROP TABLE rcfile_merge3a;
No rows affected 
>>>  DROP TABLE rcfile_merge3b;
No rows affected 
>>>  
>>>  CREATE TABLE rcfile_merge3a (key int, value string) 
PARTITIONED BY (ds string) STORED AS TEXTFILE;
No rows affected 
>>>  CREATE TABLE rcfile_merge3b (key int, value string) STORED AS RCFILE;
No rows affected 
>>>  
>>>  INSERT OVERWRITE TABLE rcfile_merge3a PARTITION (ds='1') 
SELECT * FROM src;
'_col0','_col1'
No rows selected 
>>>  INSERT OVERWRITE TABLE rcfile_merge3a PARTITION (ds='2') 
SELECT * FROM src;
'_col0','_col1'
No rows selected 
>>>  
>>>  EXPLAIN INSERT OVERWRITE TABLE rcfile_merge3b 
SELECT key, value FROM rcfile_merge3a;
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME rcfile_merge3a))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME rcfile_merge3b))) (TOK_SELECT (TOK_SELEXPR (TOK_TABLE_OR_COL key)) (TOK_SELEXPR (TOK_TABLE_OR_COL value)))))'
''
'STAGE DEPENDENCIES:'
'  Stage-1 is a root stage'
'  Stage-7 depends on stages: Stage-1 , consists of Stage-4, Stage-3, Stage-5'
'  Stage-4'
'  Stage-0 depends on stages: Stage-4, Stage-3, Stage-6'
'  Stage-2 depends on stages: Stage-0'
'  Stage-3'
'  Stage-5'
'  Stage-6 depends on stages: Stage-5'
''
'STAGE PLANS:'
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        rcfile_merge3a '
'          TableScan'
'            alias: rcfile_merge3a'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: int'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 1'
'                table:'
'                    input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat'
'                    serde: org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe'
'                    name: rcfile_merge3.rcfile_merge3b'
''
'  Stage: Stage-7'
'    Conditional Operator'
''
'  Stage: Stage-4'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: pfile:!!{hive.exec.scratchdir}!!'
''
'  Stage: Stage-0'
'    Move Operator'
'      tables:'
'          replace: true'
'          table:'
'              input format: org.apache.hadoop.hive.ql.io.RCFileInputFormat'
'              output format: org.apache.hadoop.hive.ql.io.RCFileOutputFormat'
'              serde: org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe'
'              name: rcfile_merge3.rcfile_merge3b'
''
'  Stage: Stage-2'
'    Stats-Aggr Operator'
''
'  Stage: Stage-3'
'    Block level merge'
''
'  Stage: Stage-5'
'    Block level merge'
''
'  Stage: Stage-6'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: pfile:!!{hive.exec.scratchdir}!!'
''
''
71 rows selected 
>>>  INSERT OVERWRITE TABLE rcfile_merge3b 
SELECT key, value FROM rcfile_merge3a;
'key','value'
No rows selected 
>>>  
>>>  SELECT SUM(HASH(c)) FROM ( 
SELECT TRANSFORM(key, value) USING 'tr \t _' AS (c) 
FROM rcfile_merge3a 
) t;
'_c0'
'14412220296'
1 row selected 
>>>  SELECT SUM(HASH(c)) FROM ( 
SELECT TRANSFORM(key, value) USING 'tr \t _' AS (c) 
FROM rcfile_merge3b 
) t;
'_c0'
'14412220296'
1 row selected 
>>>  
>>>  DROP TABLE rcfile_merge3a;
No rows affected 
>>>  DROP TABLE rcfile_merge3b;
No rows affected 
>>>  !record