Saving all output to "!!{outputDirectory}!!/nullgroup4_multi_distinct.q.raw". Enter "record" with no arguments to stop it. >>> !run !!{qFileDirectory}!!/nullgroup4_multi_distinct.q >>> set hive.map.aggr=true; No rows affected >>> set hive.groupby.skewindata=false; No rows affected >>> >>> explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 1)) (TOK_SELEXPR (TOK_FUNCTIONDI count (. (TOK_TABLE_OR_COL x) value))) (TOK_SELEXPR (TOK_FUNCTIONDI count (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL x) value) 5)))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL x) key) 9999))))' '' '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:' ' x ' ' TableScan' ' alias: x' ' Filter Operator' ' predicate:' ' expr: (key = 9999.0)' ' type: boolean' ' Select Operator' ' expressions:' ' expr: value' ' type: string' ' outputColumnNames: value' ' Group By Operator' ' aggregations:' ' expr: count(1)' ' expr: count(DISTINCT value)' ' expr: count(DISTINCT substr(value, 5))' ' bucketGroup: false' ' keys:' ' expr: value' ' type: string' ' expr: substr(value, 5)' ' type: string' ' mode: hash' ' outputColumnNames: _col0, _col1, _col2, _col3, _col4' ' Reduce Output Operator' ' key expressions:' ' expr: _col0' ' type: string' ' expr: _col1' ' type: string' ' sort order: ++' ' tag: -1' ' value expressions:' ' expr: _col2' ' type: bigint' ' expr: _col3' ' type: bigint' ' expr: _col4' ' type: bigint' ' Reduce Operator Tree:' ' Group By Operator' ' aggregations:' ' expr: count(VALUE._col0)' ' expr: count(DISTINCT KEY._col0:0._col0)' ' expr: count(DISTINCT KEY._col0:1._col0)' ' bucketGroup: false' ' mode: mergepartial' ' outputColumnNames: _col0, _col1, _col2' ' Select Operator' ' expressions:' ' expr: _col0' ' type: bigint' ' expr: _col1' ' type: bigint' ' expr: _col2' ' type: bigint' ' outputColumnNames: _col0, _col1, _col2' ' 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' '' '' 81 rows selected >>> >>> select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999; '_c0','_c1','_c2' '0','0','0' 1 row selected >>> >>> set hive.map.aggr=false; No rows affected >>> set hive.groupby.skewindata=false; No rows affected >>> >>> explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 1)) (TOK_SELEXPR (TOK_FUNCTIONDI count (. (TOK_TABLE_OR_COL x) value))) (TOK_SELEXPR (TOK_FUNCTIONDI count (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL x) value) 5)))) (TOK_WHERE (= (. (TOK_TABLE_OR_COL x) key) 9999))))' '' '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:' ' x ' ' TableScan' ' alias: x' ' Filter Operator' ' predicate:' ' expr: (key = 9999.0)' ' type: boolean' ' Select Operator' ' expressions:' ' expr: value' ' type: string' ' outputColumnNames: value' ' Reduce Output Operator' ' key expressions:' ' expr: value' ' type: string' ' expr: substr(value, 5)' ' type: string' ' sort order: ++' ' tag: -1' ' value expressions:' ' expr: 1' ' type: int' ' Reduce Operator Tree:' ' Group By Operator' ' aggregations:' ' expr: count(VALUE._col0)' ' expr: count(DISTINCT KEY._col0:0._col0)' ' expr: count(DISTINCT KEY._col0:1._col0)' ' bucketGroup: false' ' mode: complete' ' outputColumnNames: _col0, _col1, _col2' ' Select Operator' ' expressions:' ' expr: _col0' ' type: bigint' ' expr: _col1' ' type: bigint' ' expr: _col2' ' type: bigint' ' outputColumnNames: _col0, _col1, _col2' ' 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' '' '' 64 rows selected >>> >>> select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999; '_c0','_c1','_c2' '0','0','0' 1 row selected >>> !record