PREHOOK: query: -- HIVE-3464 create table a (key string, value string) PREHOOK: type: CREATETABLE POSTHOOK: query: -- HIVE-3464 create table a (key string, value string) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@a PREHOOK: query: -- (a-b-c-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: -- (a-b-c-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) 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: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 3 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Left Outer Join1 to 2 Left Outer Join0 to 3 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} 3 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col8 type: string expr: _col9 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) left outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) 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: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 3 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Left Outer Join1 to 2 Right Outer Join0 to 3 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} 3 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col8 type: string expr: _col9 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) left outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) 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: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 3 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Right Outer Join1 to 2 Left Outer Join0 to 3 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} 3 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col8 type: string expr: _col9 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.key=c.key) right outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) 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: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 3 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Right Outer Join1 to 2 Right Outer Join0 to 3 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} 3 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col8 type: string expr: _col9 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: -- ((a-b-d)-c) (reordered) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: -- ((a-b-d)-c) (reordered) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Left Outer Join0 to 2 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string expr: _col0 type: string expr: _col1 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Right Outer Join0 to 2 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string expr: _col0 type: string expr: _col1 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) full outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) full outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_FULLOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 Outer Join 0 to 2 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string expr: _col0 type: string expr: _col1 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: -- (((a-b)-c)-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: -- (((a-b)-c)-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) right outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-2 is a root stage Stage-3 depends on stages: Stage-2 Stage-1 depends on stages: Stage-3 Stage-0 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5 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: $INTNAME Reduce Output Operator key expressions: expr: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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-1 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col4 type: string sort order: + Map-reduce partition columns: expr: _col4 type: string tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: string expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-2 is a root stage Stage-3 depends on stages: Stage-2 Stage-1 depends on stages: Stage-3 Stage-0 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5 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: $INTNAME Reduce Output Operator key expressions: expr: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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-1 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col4 type: string sort order: + Map-reduce partition columns: expr: _col4 type: string tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: string expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) left outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-2 is a root stage Stage-3 depends on stages: Stage-2 Stage-1 depends on stages: Stage-3 Stage-0 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5 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: $INTNAME Reduce Output Operator key expressions: expr: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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-1 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col4 type: string sort order: + Map-reduce partition columns: expr: _col4 type: string tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: string expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: explain select * from a join a b on (a.key=b.key) right outer join a c on (b.value=c.key) full outer join a d on (a.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_FULLOUTERJOIN (TOK_RIGHTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-2 is a root stage Stage-3 depends on stages: Stage-2 Stage-1 depends on stages: Stage-3 Stage-0 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5 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: $INTNAME Reduce Output Operator key expressions: expr: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Right Outer Join0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9 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-1 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col4 type: string sort order: + Map-reduce partition columns: expr: _col4 type: string tag: 0 value expressions: expr: _col0 type: string expr: _col1 type: string expr: _col8 type: string expr: _col9 type: string expr: _col4 type: string expr: _col5 type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Outer Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} {VALUE._col8} {VALUE._col9} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col8 type: string expr: _col9 type: string expr: _col0 type: string expr: _col1 type: string expr: _col4 type: string expr: _col5 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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: -- ((a-b)-c-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (c.key=d.key) PREHOOK: type: QUERY POSTHOOK: query: -- ((a-b)-c-d) explain select * from a join a b on (a.key=b.key) left outer join a c on (b.value=c.key) left outer join a d on (c.key=d.key) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_JOIN (TOK_TABREF (TOK_TABNAME a)) (TOK_TABREF (TOK_TABNAME a) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key))) (TOK_TABREF (TOK_TABNAME a) c) (= (. (TOK_TABLE_OR_COL b) value) (. (TOK_TABLE_OR_COL c) key))) (TOK_TABREF (TOK_TABNAME a) d) (= (. (TOK_TABLE_OR_COL c) key) (. (TOK_TABLE_OR_COL d) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR TOK_ALLCOLREF)))) STAGE DEPENDENCIES: Stage-2 is a root stage Stage-1 depends on stages: Stage-2 Stage-0 is a root stage STAGE PLANS: Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a 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 b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} {VALUE._col1} 1 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5 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-1 Map Reduce Alias -> Map Operator Tree: $INTNAME Reduce Output Operator key expressions: expr: _col5 type: string sort order: + Map-reduce partition columns: expr: _col5 type: string tag: 0 value expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string c TableScan alias: c Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 value expressions: expr: key type: string expr: value type: string d TableScan alias: d Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 2 value expressions: expr: key type: string expr: value type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 to 1 Left Outer Join1 to 2 condition expressions: 0 {VALUE._col0} {VALUE._col1} {VALUE._col4} {VALUE._col5} 1 {VALUE._col0} {VALUE._col1} 2 {VALUE._col0} {VALUE._col1} handleSkewJoin: false outputColumnNames: _col0, _col1, _col4, _col5, _col8, _col9, _col12, _col13 Select Operator expressions: expr: _col4 type: string expr: _col5 type: string expr: _col0 type: string expr: _col1 type: string expr: _col8 type: string expr: _col9 type: string expr: _col12 type: string expr: _col13 type: string outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7 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