PREHOOK: query: CREATE TABLE dest1(c1 INT, c2 STRING, c3 INT, c4 STRING) STORED AS TEXTFILE PREHOOK: type: CREATETABLE POSTHOOK: query: CREATE TABLE dest1(c1 INT, c2 STRING, c3 INT, c4 STRING) STORED AS TEXTFILE POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@dest1 PREHOOK: query: EXPLAIN FROM ( FROM ( FROM src src1 SELECT src1.key AS c1, src1.value AS c2 WHERE src1.key > 10 and src1.key < 20 ) a LEFT OUTER JOIN ( FROM src src2 SELECT src2.key AS c3, src2.value AS c4 WHERE src2.key > 15 and src2.key < 25 ) b ON (a.c1 = b.c3) SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 ) c INSERT OVERWRITE TABLE dest1 SELECT c.c1, c.c2, c.c3, c.c4 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN FROM ( FROM ( FROM src src1 SELECT src1.key AS c1, src1.value AS c2 WHERE src1.key > 10 and src1.key < 20 ) a LEFT OUTER JOIN ( FROM src src2 SELECT src2.key AS c3, src2.value AS c4 WHERE src2.key > 15 and src2.key < 25 ) b ON (a.c1 = b.c3) SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 ) c INSERT OVERWRITE TABLE dest1 SELECT c.c1, c.c2, c.c3, c.c4 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_LEFTOUTERJOIN (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) c1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src1) value) c2)) (TOK_WHERE (and (> (. (TOK_TABLE_OR_COL src1) key) 10) (< (. (TOK_TABLE_OR_COL src1) key) 20))))) a) (TOK_SUBQUERY (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src) src2)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src2) key) c3) (TOK_SELEXPR (. (TOK_TABLE_OR_COL src2) value) c4)) (TOK_WHERE (and (> (. (TOK_TABLE_OR_COL src2) key) 15) (< (. (TOK_TABLE_OR_COL src2) key) 25))))) b) (= (. (TOK_TABLE_OR_COL a) c1) (. (TOK_TABLE_OR_COL b) c3)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) c1) c1) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) c2) c2) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) c3) c3) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) c4) c4)))) c)) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest1))) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) c1)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) c2)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) c3)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) c4))))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 depends on stages: Stage-1 Stage-2 depends on stages: Stage-0 STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: c:a:src1 TableScan alias: src1 Filter Operator predicate: expr: ((key > 10) and (key < 20)) type: boolean Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: _col0, _col1 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: string c:b:src2 TableScan alias: src2 Filter Operator predicate: expr: ((key > 15) and (key < 25)) type: boolean Select Operator expressions: expr: key type: string expr: value type: string 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: _col0 type: string expr: _col1 type: string Reduce Operator Tree: Join Operator condition map: Left Outer Join0 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: string expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: _col0 type: string expr: _col1 type: string expr: _col2 type: string expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 Select Operator expressions: expr: UDFToInteger(_col0) type: int expr: _col1 type: string expr: UDFToInteger(_col2) type: int expr: _col3 type: string outputColumnNames: _col0, _col1, _col2, _col3 File Output Operator compressed: false GlobalTableId: 1 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.dest1 Stage: Stage-0 Move Operator tables: replace: true table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.dest1 Stage: Stage-2 Stats-Aggr Operator PREHOOK: query: FROM ( FROM ( FROM src src1 SELECT src1.key AS c1, src1.value AS c2 WHERE src1.key > 10 and src1.key < 20 ) a LEFT OUTER JOIN ( FROM src src2 SELECT src2.key AS c3, src2.value AS c4 WHERE src2.key > 15 and src2.key < 25 ) b ON (a.c1 = b.c3) SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 ) c INSERT OVERWRITE TABLE dest1 SELECT c.c1, c.c2, c.c3, c.c4 PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: default@dest1 POSTHOOK: query: FROM ( FROM ( FROM src src1 SELECT src1.key AS c1, src1.value AS c2 WHERE src1.key > 10 and src1.key < 20 ) a LEFT OUTER JOIN ( FROM src src2 SELECT src2.key AS c3, src2.value AS c4 WHERE src2.key > 15 and src2.key < 25 ) b ON (a.c1 = b.c3) SELECT a.c1 AS c1, a.c2 AS c2, b.c3 AS c3, b.c4 AS c4 ) c INSERT OVERWRITE TABLE dest1 SELECT c.c1, c.c2, c.c3, c.c4 POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: default@dest1 POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src1.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c2 SIMPLE [(src)src1.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c3 EXPRESSION [(src)src2.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c4 SIMPLE [(src)src2.FieldSchema(name:value, type:string, comment:default), ] PREHOOK: query: SELECT dest1.* FROM dest1 PREHOOK: type: QUERY PREHOOK: Input: default@dest1 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-07-26_149_2895079849168902608/-mr-10000 POSTHOOK: query: SELECT dest1.* FROM dest1 POSTHOOK: type: QUERY POSTHOOK: Input: default@dest1 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_16-07-26_149_2895079849168902608/-mr-10000 POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src1.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c2 SIMPLE [(src)src1.FieldSchema(name:value, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c3 EXPRESSION [(src)src2.FieldSchema(name:key, type:string, comment:default), ] POSTHOOK: Lineage: dest1.c4 SIMPLE [(src)src2.FieldSchema(name:value, type:string, comment:default), ] 11 val_11 NULL NULL 12 val_12 NULL NULL 12 val_12 NULL NULL 15 val_15 NULL NULL 15 val_15 NULL NULL 17 val_17 17 val_17 18 val_18 18 val_18 18 val_18 18 val_18 18 val_18 18 val_18 18 val_18 18 val_18 19 val_19 19 val_19