PREHOOK: query: explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 PREHOOK: type: QUERY POSTHOOK: query: explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 POSTHOOK: type: QUERY 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) 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 PREHOOK: query: select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-48-27_281_6261349366093864618/-mr-10000 POSTHOOK: query: select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-48-27_281_6261349366093864618/-mr-10000 0 0 0 PREHOOK: query: explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 PREHOOK: type: QUERY POSTHOOK: query: explain select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 POSTHOOK: type: QUERY 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) 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 PREHOOK: query: select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-48-30_870_1082986772406527025/-mr-10000 POSTHOOK: query: select count(1), count(distinct x.value), count(distinct substr(x.value, 5)) from src x where x.key = 9999 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-48-30_870_1082986772406527025/-mr-10000 0 0 0