Saving all output to "!!{outputDirectory}!!/union3.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/union3.q
>>>  
>>>  explain 
SELECT * 
FROM ( 
SELECT 1 AS id 
FROM (SELECT * FROM src LIMIT 1) s1 
CLUSTER BY id 
UNION ALL 
SELECT 2 AS id 
FROM (SELECT * FROM src LIMIT 1) s1 
CLUSTER BY id 
UNION ALL 
SELECT 3 AS id 
FROM (SELECT * FROM src LIMIT 1) s2 
UNION ALL 
SELECT 4 AS id 
FROM (SELECT * FROM src LIMIT 1) s2 
) a;
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_UNION (TOK_UNION (TOK_UNION (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_LIMIT 1))) s1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 1 id)) (TOK_CLUSTERBY (TOK_TABLE_OR_COL id)))) (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_LIMIT 1))) s1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 2 id)) (TOK_CLUSTERBY (TOK_TABLE_OR_COL id))))) (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_LIMIT 1))) s2)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 3 id))))) (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_LIMIT 1))) s2)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR 4 id))))) a)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF))))'
''
'STAGE DEPENDENCIES:'
'  Stage-1 is a root stage'
'  Stage-2 depends on stages: Stage-1, Stage-3, Stage-5, Stage-7'
'  Stage-3 is a root stage'
'  Stage-4 is a root stage'
'  Stage-5 depends on stages: Stage-4'
'  Stage-6 is a root stage'
'  Stage-7 depends on stages: Stage-6'
'  Stage-0 is a root stage'
''
'STAGE PLANS:'
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        null-subquery2:a-subquery2:s2:src '
'          TableScan'
'            alias: src'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              Limit'
'                Reduce Output Operator'
'                  sort order: '
'                  tag: -1'
'                  value expressions:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'      Reduce Operator Tree:'
'        Extract'
'          Limit'
'            Select Operator'
'              expressions:'
'                    expr: 4'
'                    type: int'
'              outputColumnNames: _col0'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 0'
'                table:'
'                    input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-2'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        file:!!{hive.exec.scratchdir}!! '
'          TableScan'
'            Union'
'              Select Operator'
'                expressions:'
'                      expr: _col0'
'                      type: int'
'                outputColumnNames: _col0'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 0'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'        file:!!{hive.exec.scratchdir}!! '
'          TableScan'
'            Union'
'              Select Operator'
'                expressions:'
'                      expr: _col0'
'                      type: int'
'                outputColumnNames: _col0'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 0'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'        file:!!{hive.exec.scratchdir}!! '
'          TableScan'
'            Union'
'              Select Operator'
'                expressions:'
'                      expr: _col0'
'                      type: int'
'                outputColumnNames: _col0'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 0'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'        file:!!{hive.exec.scratchdir}!! '
'          TableScan'
'            Union'
'              Select Operator'
'                expressions:'
'                      expr: _col0'
'                      type: int'
'                outputColumnNames: _col0'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 0'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
''
'  Stage: Stage-3'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        null-subquery1-subquery2:a-subquery1-subquery2:s2:src '
'          TableScan'
'            alias: src'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              Limit'
'                Reduce Output Operator'
'                  sort order: '
'                  tag: -1'
'                  value expressions:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'      Reduce Operator Tree:'
'        Extract'
'          Limit'
'            Select Operator'
'              expressions:'
'                    expr: 3'
'                    type: int'
'              outputColumnNames: _col0'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 0'
'                table:'
'                    input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-4'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        null-subquery1-subquery1-subquery1:a-subquery1-subquery1-subquery1:s1:src '
'          TableScan'
'            alias: src'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              Limit'
'                Reduce Output Operator'
'                  sort order: '
'                  tag: -1'
'                  value expressions:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'      Reduce Operator Tree:'
'        Extract'
'          Limit'
'            Select Operator'
'              expressions:'
'                    expr: 1'
'                    type: int'
'              outputColumnNames: _col0'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 0'
'                table:'
'                    input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-5'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        file:!!{hive.exec.scratchdir}!! '
'            Reduce Output Operator'
'              key expressions:'
'                    expr: _col0'
'                    type: int'
'              sort order: +'
'              Map-reduce partition columns:'
'                    expr: _col0'
'                    type: int'
'              tag: -1'
'              value expressions:'
'                    expr: _col0'
'                    type: int'
'      Reduce Operator Tree:'
'        Extract'
'          File Output Operator'
'            compressed: false'
'            GlobalTableId: 0'
'            table:'
'                input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-6'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        null-subquery1-subquery1-subquery2:a-subquery1-subquery1-subquery2:s1:src '
'          TableScan'
'            alias: src'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              Limit'
'                Reduce Output Operator'
'                  sort order: '
'                  tag: -1'
'                  value expressions:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'      Reduce Operator Tree:'
'        Extract'
'          Limit'
'            Select Operator'
'              expressions:'
'                    expr: 2'
'                    type: int'
'              outputColumnNames: _col0'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 0'
'                table:'
'                    input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-7'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        file:!!{hive.exec.scratchdir}!! '
'            Reduce Output Operator'
'              key expressions:'
'                    expr: _col0'
'                    type: int'
'              sort order: +'
'              Map-reduce partition columns:'
'                    expr: _col0'
'                    type: int'
'              tag: -1'
'              value expressions:'
'                    expr: _col0'
'                    type: int'
'      Reduce Operator Tree:'
'        Extract'
'          File Output Operator'
'            compressed: false'
'            GlobalTableId: 0'
'            table:'
'                input format: org.apache.hadoop.mapred.SequenceFileInputFormat'
'                output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat'
''
'  Stage: Stage-0'
'    Fetch Operator'
'      limit: -1'
''
''
277 rows selected 
>>>  
>>>  
>>>  
>>>  CREATE TABLE union_out (id int);
No rows affected 
>>>  
>>>  insert overwrite table union_out 
SELECT * 
FROM ( 
SELECT 1 AS id 
FROM (SELECT * FROM src LIMIT 1) s1 
CLUSTER BY id 
UNION ALL 
SELECT 2 AS id 
FROM (SELECT * FROM src LIMIT 1) s1 
CLUSTER BY id 
UNION ALL 
SELECT 3 AS id 
FROM (SELECT * FROM src LIMIT 1) s2 
UNION ALL 
SELECT 4 AS id 
FROM (SELECT * FROM src LIMIT 1) s2 
) a;
'id'
No rows selected 
>>>  
>>>  select * from union_out cluster by id;
'id'
'1'
'2'
'3'
'4'
4 rows selected 
>>>  !record