PREHOOK: query: explain SELECT count(1) FROM ( SELECT src.key, src.value from src UNION ALL SELECT DISTINCT src.key, src.value from src ) src_12 JOIN (SELECT src.key as k, src.value as v from src) src3 ON src_12.key = src3.k AND src3.k < 200 PREHOOK: type: QUERY POSTHOOK: query: explain SELECT count(1) FROM ( SELECT src.key, src.value from src UNION ALL SELECT DISTINCT src.key, src.value from src ) src_12 JOIN (SELECT src.key as k, src.value as v from src) src3 ON src_12.key = src3.k AND src3.k < 200 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_SUBQUERY (TOK_UNION (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value))))) (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECTDI (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value)))))) src_12) (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_TABLE_OR_COL src) key) k) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) value) v)))) src3) (AND (= (. (TOK_TABLE_OR_COL src_12) key) (. (TOK_TABLE_OR_COL src3) k)) (< (. (TOK_TABLE_OR_COL src3) k) 200)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 1))))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-8 depends on stages: Stage-1, Stage-4 , consists of Stage-9, Stage-10, Stage-2 Stage-9 has a backup stage: Stage-2 Stage-6 depends on stages: Stage-9 Stage-3 depends on stages: Stage-2, Stage-6, Stage-7 Stage-10 has a backup stage: Stage-2 Stage-7 depends on stages: Stage-10 Stage-2 Stage-4 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: null-subquery2:src_12-subquery2:src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: key, value Group By Operator bucketGroup: false keys: expr: key type: string expr: value type: string mode: hash outputColumnNames: _col0, _col1 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 Reduce Operator Tree: Group By Operator bucketGroup: false keys: expr: KEY._col0 type: string expr: KEY._col1 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string outputColumnNames: _col0, _col1 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-8 Conditional Operator Stage: Stage-9 Map Reduce Local Work Alias -> Map Local Tables: src3:src Fetch Operator limit: -1 Alias -> Map Local Operator Tree: src3:src TableScan alias: src Filter Operator predicate: expr: (key < 200) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 HashTable Sink Operator condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 0 Stage: Stage-6 Map Reduce Alias -> Map Operator Tree: file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10002 Union Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 0 Select Operator Group By Operator aggregations: expr: count(1) bucketGroup: false mode: hash 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 file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10004 Union Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 0 Select Operator Group By Operator aggregations: expr: count(1) bucketGroup: false mode: hash 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 Local Work: Map Reduce Local Work Stage: Stage-3 Map Reduce Alias -> Map Operator Tree: file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10003 Reduce Output Operator sort order: tag: -1 value expressions: expr: _col0 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false mode: mergepartial outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: bigint 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-10 Map Reduce Local Work Alias -> Map Local Tables: file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10002 Fetch Operator limit: -1 file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10004 Fetch Operator limit: -1 Alias -> Map Local Operator Tree: file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10002 Union HashTable Sink Operator condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 1 file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10004 Union HashTable Sink Operator condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 1 Stage: Stage-7 Map Reduce Alias -> Map Operator Tree: src3:src TableScan alias: src Filter Operator predicate: expr: (key < 200) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Map Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 1 handleSkewJoin: false keys: 0 [Column[_col0]] 1 [Column[_col0]] Position of Big Table: 1 Select Operator Group By Operator aggregations: expr: count(1) bucketGroup: false mode: hash 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 Local Work: Map Reduce Local Work Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10002 Union Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 file:/tmp/njain/hive_2011-12-07_17-55-14_715_2499487755302424085/-mr-10004 Union Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 src3:src TableScan alias: src Filter Operator predicate: expr: (key < 200) type: boolean Select Operator expressions: expr: key type: string outputColumnNames: _col0 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 1 Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 1 handleSkewJoin: false Select Operator Group By Operator aggregations: expr: count(1) bucketGroup: false mode: hash 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:src_12-subquery1:src TableScan alias: src 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.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-0 Fetch Operator limit: -1 PREHOOK: query: SELECT count(1) FROM ( SELECT src.key, src.value from src UNION ALL SELECT DISTINCT src.key, src.value from src ) src_12 JOIN (SELECT src.key as k, src.value as v from src) src3 ON src_12.key = src3.k AND src3.k < 200 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: file:/tmp/njain/hive_2011-12-07_17-55-16_087_2232818405314135078/-mr-10000 POSTHOOK: query: SELECT count(1) FROM ( SELECT src.key, src.value from src UNION ALL SELECT DISTINCT src.key, src.value from src ) src_12 JOIN (SELECT src.key as k, src.value as v from src) src3 ON src_12.key = src3.k AND src3.k < 200 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: file:/tmp/njain/hive_2011-12-07_17-55-16_087_2232818405314135078/-mr-10000 548