Saving all output to "!!{outputDirectory}!!/set_variable_sub.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/set_variable_sub.q
>>>  set hivevar:key1=value1;
No rows affected 
>>>  
>>>  EXPLAIN SELECT * FROM src where key="${key1}";
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (= (TOK_TABLE_OR_COL key) "value1"))))'
''
'STAGE DEPENDENCIES:'
'  Stage-1 is a root stage'
'  Stage-0 is a root stage'
''
'STAGE PLANS:'
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        src '
'          TableScan'
'            alias: src'
'            Filter Operator'
'              predicate:'
'                  expr: (key = 'value1')'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: key'
'                      type: string'
'                      expr: value'
'                      type: string'
'                outputColumnNames: _col0, _col1'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 0'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
''
'  Stage: Stage-0'
'    Fetch Operator'
'      limit: -1'
''
''
37 rows selected 
>>>  EXPLAIN SELECT * FROM src where key="${hivevar:key1}";
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (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_WHERE (= (TOK_TABLE_OR_COL key) "value1"))))'
''
'STAGE DEPENDENCIES:'
'  Stage-1 is a root stage'
'  Stage-0 is a root stage'
''
'STAGE PLANS:'
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        src '
'          TableScan'
'            alias: src'
'            Filter Operator'
'              predicate:'
'                  expr: (key = 'value1')'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: key'
'                      type: string'
'                      expr: value'
'                      type: string'
'                outputColumnNames: _col0, _col1'
'                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-0'
'    Fetch Operator'
'      limit: -1'
''
''
37 rows selected 
>>>  
>>>  set hivevar:a=1;
No rows affected 
>>>  set hivevar:b=a;
No rows affected 
>>>  set hivevar:c=${hivevar:${hivevar:b}};
No rows affected 
>>>  EXPLAIN SELECT * FROM src where key="${hivevar:c}";
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (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_WHERE (= (TOK_TABLE_OR_COL key) "1"))))'
''
'STAGE DEPENDENCIES:'
'  Stage-1 is a root stage'
'  Stage-0 is a root stage'
''
'STAGE PLANS:'
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        src '
'          TableScan'
'            alias: src'
'            Filter Operator'
'              predicate:'
'                  expr: (key = '1')'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: key'
'                      type: string'
'                      expr: value'
'                      type: string'
'                outputColumnNames: _col0, _col1'
'                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-0'
'    Fetch Operator'
'      limit: -1'
''
''
37 rows selected 
>>>  
>>>  set hivevar:a;
No rows affected 
>>>  set hivevar:b;
No rows affected 
>>>  set hivevar:c;
No rows affected 
>>>  set hivevar:key1;
No rows affected 
>>>  
>>>  !record