PREHOOK: query: explain SELECT sum(hash(a.key, a.value, b.key, b.value)) FROM ( SELECT src1.key as key, count(src1.value) AS value FROM src src1 group by src1.key ) a FULL OUTER JOIN ( SELECT src2.key as key, count(distinct(src2.value)) AS value FROM src1 src2 group by src2.key ) b ON (a.key = b.key) PREHOOK: type: QUERY POSTHOOK: query: explain SELECT sum(hash(a.key, a.value, b.key, b.value)) FROM ( SELECT src1.key as key, count(src1.value) AS value FROM src src1 group by src1.key ) a FULL OUTER JOIN ( SELECT src2.key as key, count(distinct(src2.value)) AS value FROM src1 src2 group by src2.key ) b ON (a.key = b.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) src1)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) key) key) (TOK_SELEXPR (TOK_FUNCTION count (. (TOK_TABLE_OR_COL src1) value)) value)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL src1) key)))) a) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src1) src2)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src2) key) key) (TOK_SELEXPR (TOK_FUNCTIONDI count (. (TOK_TABLE_OR_COL src2) value)) value)) (TOK_GROUPBY (. (TOK_TABLE_OR_COL src2) key)))) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION hash (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL a) value) (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL b) value))))))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1, Stage-4 Stage-3 depends on stages: 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: b:src2 TableScan alias: src2 Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: key, value Group By Operator aggregations: expr: count(DISTINCT value) bucketGroup: false keys: expr: key type: string expr: value 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 tag: -1 value expressions: expr: _col2 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: count(DISTINCT KEY._col1:0._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint 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-2 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 1 value expressions: expr: _col0 type: string expr: _col1 type: bigint $INTNAME1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: bigint Reduce Operator Tree: Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint expr: _col2 type: string expr: _col3 type: bigint outputColumnNames: _col0, _col1, _col2, _col3 Group By Operator aggregations: expr: sum(hash(_col0,_col1,_col2,_col3)) 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-3 Map Reduce Alias -> Map Operator Tree: file:/tmp/sdong/hive_2011-02-10_01-14-54_534_398623067782139813/-mr-10003 Reduce Output Operator sort order: tag: -1 value expressions: expr: _col0 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: sum(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-4 Map Reduce Alias -> Map Operator Tree: a:src1 TableScan alias: src1 Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: key, value Group By Operator aggregations: expr: count(value) bucketGroup: false keys: expr: key type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: -1 value expressions: expr: _col1 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: bigint 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 sum(hash(a.key, a.value, b.key, b.value)) FROM ( SELECT src1.key as key, count(src1.value) AS value FROM src src1 group by src1.key ) a FULL OUTER JOIN ( SELECT src2.key as key, count(distinct(src2.value)) AS value FROM src1 src2 group by src2.key ) b ON (a.key = b.key) PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Input: default@src1 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-14-54_655_7217977487914196830/-mr-10000 POSTHOOK: query: SELECT sum(hash(a.key, a.value, b.key, b.value)) FROM ( SELECT src1.key as key, count(src1.value) AS value FROM src src1 group by src1.key ) a FULL OUTER JOIN ( SELECT src2.key as key, count(distinct(src2.value)) AS value FROM src1 src2 group by src2.key ) b ON (a.key = b.key) POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Input: default@src1 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-14-54_655_7217977487914196830/-mr-10000 379685492277