Saving all output to "!!{outputDirectory}!!/auto_join27.q.raw". Enter "record" with no arguments to stop it. >>> !run !!{qFileDirectory}!!/auto_join27.q >>> set hive.auto.convert.join = true; No rows affected >>> >>> 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; 'Explain' '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 , 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-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' ' Filter Operator' ' predicate:' ' expr: (key < 200)' ' type: boolean' ' 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:!!{hive.exec.scratchdir}!! ' ' TableScan' ' 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' ' null-subquery1:src_12-subquery1:src ' ' TableScan' ' alias: src' ' Filter Operator' ' predicate:' ' expr: (key < 200)' ' type: boolean' ' Select Operator' ' expressions:' ' expr: key' ' type: string' ' expr: value' ' type: string' ' outputColumnNames: _col0, _col1' ' 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:!!{hive.exec.scratchdir}!! ' ' 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:!!{hive.exec.scratchdir}!! ' ' Fetch Operator' ' limit: -1' ' null-subquery1:src_12-subquery1:src ' ' Fetch Operator' ' limit: -1' ' Alias -> Map Local Operator Tree:' ' file:!!{hive.exec.scratchdir}!! ' ' TableScan' ' Union' ' HashTable Sink Operator' ' condition expressions:' ' 0 ' ' 1 ' ' handleSkewJoin: false' ' keys:' ' 0 [Column[_col0]]' ' 1 [Column[_col0]]' ' Position of Big Table: 1' ' null-subquery1:src_12-subquery1:src ' ' TableScan' ' alias: src' ' Filter Operator' ' predicate:' ' expr: (key < 200)' ' type: boolean' ' Select Operator' ' expressions:' ' expr: key' ' type: string' ' expr: value' ' type: string' ' outputColumnNames: _col0, _col1' ' 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:!!{hive.exec.scratchdir}!! ' ' TableScan' ' Union' ' Reduce Output Operator' ' key expressions:' ' expr: _col0' ' type: string' ' sort order: +' ' Map-reduce partition columns:' ' expr: _col0' ' type: string' ' tag: 0' ' null-subquery1:src_12-subquery1:src ' ' TableScan' ' alias: src' ' Filter Operator' ' predicate:' ' expr: (key < 200)' ' type: boolean' ' Select Operator' ' expressions:' ' expr: key' ' type: string' ' expr: value' ' type: string' ' outputColumnNames: _col0, _col1' ' 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-0' ' Fetch Operator' ' limit: -1' '' '' 387 rows selected >>> >>> >>> 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; '_c0' '548' 1 row selected >>> !record