Saving all output to "!!{outputDirectory}!!/auto_join22.q.raw". Enter "record" with no arguments to stop it. >>> !run !!{qFileDirectory}!!/auto_join22.q >>> set hive.auto.convert.join = true; No rows affected >>> explain SELECT sum(hash(src5.src1_value)) FROM (SELECT src3.*, src4.value as src4_value, src4.key as src4_key FROM src src4 JOIN (SELECT src2.*, src1.key as src1_key, src1.value as src1_value FROM src src1 JOIN src src2 ON src1.key = src2.key) src3 ON src3.src1_key = src4.key) src5; 'Explain' 'ABSTRACT SYNTAX TREE:' ' (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) src4) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) src1) (TOK_TABREF (TOK_TABNAME src) src2) (= (. (TOK_TABLE_OR_COL src1) key) (. (TOK_TABLE_OR_COL src2) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME src2))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) key) src1_key) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) value) src1_value)))) src3) (= (. (TOK_TABLE_OR_COL src3) src1_key) (. (TOK_TABLE_OR_COL src4) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME src3))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src4) value) src4_value) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src4) key) src4_key)))) src5)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION hash (. (TOK_TABLE_OR_COL src5) src1_value)))))))' '' 'STAGE DEPENDENCIES:' ' Stage-11 is a root stage , consists of Stage-14, Stage-15, Stage-1' ' Stage-14 has a backup stage: Stage-1' ' Stage-9 depends on stages: Stage-14' ' Stage-8 depends on stages: Stage-1, Stage-9, Stage-10 , consists of Stage-12, Stage-13, Stage-2' ' Stage-12 has a backup stage: Stage-2' ' Stage-6 depends on stages: Stage-12' ' Stage-3 depends on stages: Stage-2, Stage-6, Stage-7' ' Stage-13 has a backup stage: Stage-2' ' Stage-7 depends on stages: Stage-13' ' Stage-2' ' Stage-15 has a backup stage: Stage-1' ' Stage-10 depends on stages: Stage-15' ' Stage-1' ' Stage-0 is a root stage' '' 'STAGE PLANS:' ' Stage: Stage-11' ' Conditional Operator' '' ' Stage: Stage-14' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' src5:src3:src2 ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' src5:src3:src2 ' ' TableScan' ' alias: src2' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 ' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 0' '' ' Stage: Stage-9' ' Map Reduce' ' Alias -> Map Operator Tree:' ' src5:src3:src1 ' ' TableScan' ' alias: src1' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 ' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1' ' Position of Big Table: 0' ' Select Operator' ' expressions:' ' expr: _col0' ' type: string' ' expr: _col1' ' type: string' ' outputColumnNames: _col2, _col3' ' 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-8' ' Conditional Operator' '' ' Stage: Stage-12' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' $INTNAME ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' $INTNAME ' ' HashTable Sink Operator' ' condition expressions:' ' 0 ' ' 1 {_col3}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[_col2]]' ' Position of Big Table: 0' '' ' Stage: Stage-6' ' Map Reduce' ' Alias -> Map Operator Tree:' ' src5:src4 ' ' TableScan' ' alias: src4' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 ' ' 1 {_col3}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[_col2]]' ' outputColumnNames: _col7' ' Position of Big Table: 0' ' Select Operator' ' expressions:' ' expr: _col7' ' type: string' ' outputColumnNames: _col3' ' Select Operator' ' expressions:' ' expr: _col3' ' type: string' ' outputColumnNames: _col3' ' Group By Operator' ' aggregations:' ' expr: sum(hash(_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' ' Local Work:' ' Map Reduce Local Work' '' ' Stage: Stage-3' ' Map Reduce' ' Alias -> Map Operator Tree:' ' file:!!{hive.exec.scratchdir}!! ' ' 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-13' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' src5:src4 ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' src5:src4 ' ' TableScan' ' alias: src4' ' HashTable Sink Operator' ' condition expressions:' ' 0 ' ' 1 {_col3}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[_col2]]' ' Position of Big Table: 1' '' ' Stage: Stage-7' ' Map Reduce' ' Alias -> Map Operator Tree:' ' $INTNAME ' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 ' ' 1 {_col3}' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[_col2]]' ' outputColumnNames: _col7' ' Position of Big Table: 1' ' Select Operator' ' expressions:' ' expr: _col7' ' type: string' ' outputColumnNames: _col3' ' Select Operator' ' expressions:' ' expr: _col3' ' type: string' ' outputColumnNames: _col3' ' Group By Operator' ' aggregations:' ' expr: sum(hash(_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' ' Local Work:' ' Map Reduce Local Work' '' ' Stage: Stage-2' ' Map Reduce' ' Alias -> Map Operator Tree:' ' $INTNAME ' ' Reduce Output Operator' ' key expressions:' ' expr: _col2' ' type: string' ' sort order: +' ' Map-reduce partition columns:' ' expr: _col2' ' type: string' ' tag: 1' ' value expressions:' ' expr: _col3' ' type: string' ' src5:src4 ' ' TableScan' ' alias: src4' ' Reduce Output Operator' ' key expressions:' ' expr: key' ' type: string' ' sort order: +' ' Map-reduce partition columns:' ' expr: key' ' type: string' ' tag: 0' ' Reduce Operator Tree:' ' Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 ' ' 1 {VALUE._col3}' ' handleSkewJoin: false' ' outputColumnNames: _col7' ' Select Operator' ' expressions:' ' expr: _col7' ' type: string' ' outputColumnNames: _col3' ' Select Operator' ' expressions:' ' expr: _col3' ' type: string' ' outputColumnNames: _col3' ' Group By Operator' ' aggregations:' ' expr: sum(hash(_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-15' ' Map Reduce Local Work' ' Alias -> Map Local Tables:' ' src5:src3:src1 ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' src5:src3:src1 ' ' TableScan' ' alias: src1' ' HashTable Sink Operator' ' condition expressions:' ' 0 {key} {value}' ' 1 ' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' Position of Big Table: 1' '' ' Stage: Stage-10' ' Map Reduce' ' Alias -> Map Operator Tree:' ' src5:src3:src2 ' ' TableScan' ' alias: src2' ' Map Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {key} {value}' ' 1 ' ' handleSkewJoin: false' ' keys:' ' 0 [Column[key]]' ' 1 [Column[key]]' ' outputColumnNames: _col0, _col1' ' Position of Big Table: 1' ' Select Operator' ' expressions:' ' expr: _col0' ' type: string' ' expr: _col1' ' type: string' ' outputColumnNames: _col2, _col3' ' 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-1' ' Map Reduce' ' Alias -> Map Operator Tree:' ' src5:src3:src1 ' ' TableScan' ' alias: src1' ' Reduce Output Operator' ' key expressions:' ' expr: key' ' type: string' ' sort order: +' ' Map-reduce partition columns:' ' expr: key' ' type: string' ' tag: 0' ' value expressions:' ' expr: key' ' type: string' ' expr: value' ' type: string' ' src5:src3:src2 ' ' TableScan' ' alias: src2' ' Reduce Output Operator' ' key expressions:' ' expr: key' ' type: string' ' sort order: +' ' Map-reduce partition columns:' ' expr: key' ' type: string' ' tag: 1' ' Reduce Operator Tree:' ' Join Operator' ' condition map:' ' Inner Join 0 to 1' ' condition expressions:' ' 0 {VALUE._col0} {VALUE._col1}' ' 1 ' ' handleSkewJoin: false' ' outputColumnNames: _col0, _col1' ' Select Operator' ' expressions:' ' expr: _col0' ' type: string' ' expr: _col1' ' type: string' ' outputColumnNames: _col2, _col3' ' 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' '' '' 405 rows selected >>> >>> SELECT sum(hash(src5.src1_value)) FROM (SELECT src3.*, src4.value as src4_value, src4.key as src4_key FROM src src4 JOIN (SELECT src2.*, src1.key as src1_key, src1.value as src1_value FROM src src1 JOIN src src2 ON src1.key = src2.key) src3 ON src3.src1_key = src4.key) src5; '_c0' '344337359100' 1 row selected >>> !record