Saving all output to "!!{outputDirectory}!!/index_auto_update.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/index_auto_update.q
>>>  -- Test if index is actually being used.
>>>  
>>>  -- Create temp, and populate it with some values in src.
>>>  CREATE TABLE temp(key STRING, val STRING) STORED AS TEXTFILE;
No rows affected 
>>>  INSERT OVERWRITE TABLE temp SELECT * FROM src WHERE key < 50;
'key','value'
No rows selected 
>>>  
>>>  -- Build an index on temp.
>>>  CREATE INDEX temp_index ON TABLE temp(key) as 'COMPACT' WITH DEFERRED REBUILD;
No rows affected 
>>>  ALTER INDEX temp_index ON temp REBUILD;
No rows affected 
>>>  
>>>  SET hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat;
No rows affected 
>>>  SET hive.optimize.index.filter=true;
No rows affected 
>>>  SET hive.optimize.index.autoupdate=true;
No rows affected 
>>>  SET hive.optimize.index.filter.compact.minsize=0;
No rows affected 
>>>  
>>>  -- overwrite temp table so index is out of date
>>>  EXPLAIN INSERT OVERWRITE TABLE temp SELECT * FROM src;
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME temp))) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF))))'
''
'STAGE DEPENDENCIES:'
'  Stage-4 is a root stage'
'  Stage-10 depends on stages: Stage-4 , consists of Stage-7, Stage-6, Stage-8'
'  Stage-7'
'  Stage-0 depends on stages: Stage-7, Stage-6, Stage-9'
'  Stage-1 depends on stages: Stage-0'
'  Stage-0 depends on stages: Stage-1'
'  Stage-2 depends on stages: Stage-0'
'  null depends on stages: Stage-1'
'  Stage-3 depends on stages: Stage-1'
'  Stage-5 depends on stages: Stage-0'
'  Stage-6'
'  Stage-8'
'  Stage-9 depends on stages: Stage-8'
''
'STAGE PLANS:'
'  Stage: Stage-4'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        src '
'          TableScan'
'            alias: src'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: value'
'                    type: string'
'              outputColumnNames: _col0, _col1'
'              File Output Operator'
'                compressed: false'
'                GlobalTableId: 1'
'                table:'
'                    input format: org.apache.hadoop.mapred.TextInputFormat'
'                    output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'                    serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'                    name: index_auto_update.temp'
''
'  Stage: Stage-10'
'    Conditional Operator'
''
'  Stage: Stage-7'
'    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.mapred.TextInputFormat'
'              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'              name: index_auto_update.temp'
''
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        temp '
'          TableScan'
'            alias: temp'
'            Select Operator'
'              expressions:'
'                    expr: key'
'                    type: string'
'                    expr: INPUT__FILE__NAME'
'                    type: string'
'                    expr: BLOCK__OFFSET__INSIDE__FILE'
'                    type: bigint'
'              outputColumnNames: key, INPUT__FILE__NAME, BLOCK__OFFSET__INSIDE__FILE'
'              Group By Operator'
'                aggregations:'
'                      expr: collect_set(BLOCK__OFFSET__INSIDE__FILE)'
'                bucketGroup: false'
'                keys:'
'                      expr: key'
'                      type: string'
'                      expr: INPUT__FILE__NAME'
'                      type: string'
'                mode: hash'
'                outputColumnNames: _col0, _col1, _col2'
'                Reduce Output Operator'
'                  key expressions:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'                  sort order: ++'
'                  Map-reduce partition columns:'
'                        expr: _col0'
'                        type: string'
'                        expr: _col1'
'                        type: string'
'                  tag: -1'
'                  value expressions:'
'                        expr: _col2'
'                        type: array<bigint>'
'      Reduce Operator Tree:'
'        Group By Operator'
'          aggregations:'
'                expr: collect_set(VALUE._col0)'
'          bucketGroup: false'
'          keys:'
'                expr: KEY._col0'
'                type: string'
'                expr: KEY._col1'
'                type: string'
'          mode: mergepartial'
'          outputColumnNames: _col0, _col1, _col2'
'          Select Operator'
'            expressions:'
'                  expr: _col0'
'                  type: string'
'                  expr: _col1'
'                  type: string'
'                  expr: _col2'
'                  type: array<bigint>'
'            outputColumnNames: _col0, _col1, _col2'
'            File Output Operator'
'              compressed: false'
'              GlobalTableId: 1'
'              table:'
'                  input format: org.apache.hadoop.mapred.TextInputFormat'
'                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'                  name: index_auto_update.index_auto_update__temp_temp_index__'
''
'  Stage: Stage-0'
'    Move Operator'
'      tables:'
'          replace: true'
'          table:'
'              input format: org.apache.hadoop.mapred.TextInputFormat'
'              output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'              serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'              name: index_auto_update.index_auto_update__temp_temp_index__'
''
'  Stage: Stage-2'
'    Stats-Aggr Operator'
''
'  Stage: null'
''
'  Stage: Stage-3'
''
'  Stage: Stage-5'
'    Stats-Aggr Operator'
''
'  Stage: Stage-6'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        pfile:!!{hive.exec.scratchdir}!! '
'            File Output Operator'
'              compressed: false'
'              GlobalTableId: 0'
'              table:'
'                  input format: org.apache.hadoop.mapred.TextInputFormat'
'                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'                  name: index_auto_update.temp'
''
'  Stage: Stage-8'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        pfile:!!{hive.exec.scratchdir}!! '
'            File Output Operator'
'              compressed: false'
'              GlobalTableId: 0'
'              table:'
'                  input format: org.apache.hadoop.mapred.TextInputFormat'
'                  output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
'                  serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
'                  name: index_auto_update.temp'
''
'  Stage: Stage-9'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: pfile:!!{hive.exec.scratchdir}!!'
''
''
185 rows selected 
>>>  INSERT OVERWRITE TABLE temp SELECT * FROM src;
'key','value'
No rows selected 
>>>  
>>>  -- query should return indexed values
>>>  EXPLAIN SELECT * FROM temp WHERE key  = 86;
'Explain'
'ABSTRACT SYNTAX TREE:'
'  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME temp))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)) (TOK_WHERE (= (TOK_TABLE_OR_COL key) 86))))'
''
'STAGE DEPENDENCIES:'
'  Stage-3 is a root stage'
'  Stage-8 depends on stages: Stage-3 , consists of Stage-5, Stage-4, Stage-6'
'  Stage-5'
'  Stage-2 depends on stages: Stage-5, Stage-4, Stage-7'
'  Stage-1 depends on stages: Stage-2'
'  Stage-4'
'  Stage-6'
'  Stage-7 depends on stages: Stage-6'
'  Stage-0 is a root stage'
''
'STAGE PLANS:'
'  Stage: Stage-3'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        index_auto_update__temp_temp_index__ '
'          TableScan'
'            alias: index_auto_update__temp_temp_index__'
'            filterExpr:'
'                expr: (key = 86.0)'
'                type: boolean'
'            Filter Operator'
'              predicate:'
'                  expr: (key = 86.0)'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: _bucketname'
'                      type: string'
'                      expr: _offsets'
'                      type: array<bigint>'
'                outputColumnNames: _col0, _col1'
'                File Output Operator'
'                  compressed: false'
'                  GlobalTableId: 1'
'                  table:'
'                      input format: org.apache.hadoop.mapred.TextInputFormat'
'                      output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
''
'  Stage: Stage-8'
'    Conditional Operator'
''
'  Stage: Stage-5'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: file:!!{hive.exec.scratchdir}!!'
''
'  Stage: Stage-2'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: file:!!{hive.exec.scratchdir}!!'
''
'  Stage: Stage-1'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        temp '
'          TableScan'
'            alias: temp'
'            filterExpr:'
'                expr: (key = 86.0)'
'                type: boolean'
'            Filter Operator'
'              predicate:'
'                  expr: (key = 86.0)'
'                  type: boolean'
'              Select Operator'
'                expressions:'
'                      expr: key'
'                      type: string'
'                      expr: val'
'                      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-4'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        file:!!{hive.exec.scratchdir}!! '
'            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-6'
'    Map Reduce'
'      Alias -> Map Operator Tree:'
'        file:!!{hive.exec.scratchdir}!! '
'            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-7'
'    Move Operator'
'      files:'
'          hdfs directory: true'
'          destination: file:!!{hive.exec.scratchdir}!!'
''
'  Stage: Stage-0'
'    Fetch Operator'
'      limit: -1'
''
''
117 rows selected 
>>>  SELECT * FROM temp WHERE key  = 86;
'key','val'
'86','val_86'
1 row selected 
>>>  
>>>  SET hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat;
No rows affected 
>>>  SET hive.optimize.index.filter=false;
No rows affected 
>>>  DROP table temp;
No rows affected 
>>>  !record