join_reorder.q.out | searchcode

/tags/release-0.2.0-rc0/hive/external/ql/src/test/results/clientpositive/join_reorder.q.out

#
text | 827 lines | 797 code | 30 blank | 0 comment | 0 complexity | b9b8ec71c0790dbd85979c4e7303dcbc MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, JSON, CPL-1.0

PREHOOK: query: CREATE TABLE T1(key STRING, val STRING) STORED AS TEXTFILE
PREHOOK: type: CREATETABLE
POSTHOOK: query: CREATE TABLE T1(key STRING, val STRING) STORED AS TEXTFILE
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@T1
PREHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
PREHOOK: type: CREATETABLE
POSTHOOK: query: CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@T2
PREHOOK: query: CREATE TABLE T3(key STRING, val STRING) STORED AS TEXTFILE
PREHOOK: type: CREATETABLE
POSTHOOK: query: CREATE TABLE T3(key STRING, val STRING) STORED AS TEXTFILE
POSTHOOK: type: CREATETABLE
POSTHOOK: Output: default@T3
PREHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T1.txt' INTO TABLE T1
PREHOOK: type: LOAD
PREHOOK: Output: default@t1
POSTHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T1.txt' INTO TABLE T1
POSTHOOK: type: LOAD
POSTHOOK: Output: default@t1
PREHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T2.txt' INTO TABLE T2
PREHOOK: type: LOAD
PREHOOK: Output: default@t2
POSTHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T2.txt' INTO TABLE T2
POSTHOOK: type: LOAD
POSTHOOK: Output: default@t2
PREHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T3.txt' INTO TABLE T3
PREHOOK: type: LOAD
PREHOOK: Output: default@t3
POSTHOOK: query: LOAD DATA LOCAL INPATH '../data/files/T3.txt' INTO TABLE T3
POSTHOOK: type: LOAD
POSTHOOK: Output: default@t3
PREHOOK: query: EXPLAIN FROM T1 a JOIN src c ON c.key+1=a.key
SELECT a.key, a.val, c.key
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM T1 a JOIN src c ON c.key+1=a.key
SELECT a.key, a.val, c.key
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME T1) a) (TOK_TABREF (TOK_TABNAME src) c) (= (+ (. (TOK_TABLE_OR_COL c) key) 1) (. (TOK_TABLE_OR_COL a) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) val)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) key)))))

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: UDFToDouble(key)
                    type: double
              sort order: +
              Map-reduce partition columns:
                    expr: UDFToDouble(key)
                    type: double
              tag: 0
              value expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: (key + 1)
                    type: double
              sort order: +
              Map-reduce partition columns:
                    expr: (key + 1)
                    type: double
              tag: 1
              value expressions:
                    expr: key
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Inner Join 0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col1}
            1 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col1, _col4
          Select Operator
            expressions:
                  expr: _col0
                  type: string
                  expr: _col1
                  type: string
                  expr: _col4
                  type: string
            outputColumnNames: _col0, _col1, _col2
            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 FROM T1 a JOIN src c ON c.key+1=a.key
SELECT /*+ STREAMTABLE(a) */ a.key, a.val, c.key
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM T1 a JOIN src c ON c.key+1=a.key
SELECT /*+ STREAMTABLE(a) */ a.key, a.val, c.key
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME T1) a) (TOK_TABREF (TOK_TABNAME src) c) (= (+ (. (TOK_TABLE_OR_COL c) key) 1) (. (TOK_TABLE_OR_COL a) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_STREAMTABLE (TOK_HINTARGLIST a))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) val)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) key)))))

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: UDFToDouble(key)
                    type: double
              sort order: +
              Map-reduce partition columns:
                    expr: UDFToDouble(key)
                    type: double
              tag: 1
              value expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: (key + 1)
                    type: double
              sort order: +
              Map-reduce partition columns:
                    expr: (key + 1)
                    type: double
              tag: 0
              value expressions:
                    expr: key
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Inner Join 0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col1}
            1 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col1, _col4
          Select Operator
            expressions:
                  expr: _col0
                  type: string
                  expr: _col1
                  type: string
                  expr: _col4
                  type: string
            outputColumnNames: _col0, _col1, _col2
            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: FROM T1 a JOIN src c ON c.key+1=a.key
SELECT a.key, a.val, c.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Input: default@t1
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-31_623_2837080214858318814/-mr-10000
POSTHOOK: query: FROM T1 a JOIN src c ON c.key+1=a.key
SELECT a.key, a.val, c.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Input: default@t1
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-31_623_2837080214858318814/-mr-10000
1	11	0
1	11	0
1	11	0
3	13	2
PREHOOK: query: FROM T1 a JOIN src c ON c.key+1=a.key
SELECT /*+ STREAMTABLE(a) */ a.key, a.val, c.key
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Input: default@t1
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-34_698_3624981517859141195/-mr-10000
POSTHOOK: query: FROM T1 a JOIN src c ON c.key+1=a.key
SELECT /*+ STREAMTABLE(a) */ a.key, a.val, c.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Input: default@t1
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-34_698_3624981517859141195/-mr-10000
1	11	0
1	11	0
1	11	0
3	13	2
PREHOOK: query: EXPLAIN FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT a.key, b.key, a.val, c.val
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT a.key, b.key, a.val, c.val
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME T1) a) (TOK_TABREF (TOK_TABNAME T2) b) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL a) key))) (TOK_TABREF (TOK_TABNAME T3) c) (= (. (TOK_TABLE_OR_COL c) val) (. (TOK_TABLE_OR_COL a) val)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) val)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) val)))))

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: val
                    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
      Reduce Operator Tree:
        Join Operator
          condition map:
               Left Outer Join0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col1}
            1 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col1, _col4
          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: _col1
                    type: string
              sort order: +
              Map-reduce partition columns:
                    expr: _col1
                    type: string
              tag: 0
              value expressions:
                    expr: _col4
                    type: string
                    expr: _col0
                    type: string
                    expr: _col1
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: val
                    type: string
              sort order: +
              Map-reduce partition columns:
                    expr: val
                    type: string
              tag: 1
              value expressions:
                    expr: val
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Right Outer Join0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col4} {VALUE._col5}
            1 {VALUE._col1}
          handleSkewJoin: false
          outputColumnNames: _col0, _col4, _col5, _col9
          Select Operator
            expressions:
                  expr: _col4
                  type: string
                  expr: _col0
                  type: string
                  expr: _col5
                  type: string
                  expr: _col9
                  type: string
            outputColumnNames: _col0, _col1, _col2, _col3
            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 FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT /*+ STREAMTABLE(a) */ a.key, b.key, a.val, c.val
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT /*+ STREAMTABLE(a) */ a.key, b.key, a.val, c.val
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_RIGHTOUTERJOIN (TOK_LEFTOUTERJOIN (TOK_TABREF (TOK_TABNAME T1) a) (TOK_TABREF (TOK_TABNAME T2) b) (= (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL a) key))) (TOK_TABREF (TOK_TABNAME T3) c) (= (. (TOK_TABLE_OR_COL c) val) (. (TOK_TABLE_OR_COL a) val)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_STREAMTABLE (TOK_HINTARGLIST a))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) val)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) val)))))

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: 1
              value expressions:
                    expr: key
                    type: string
                    expr: val
                    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: 0
              value expressions:
                    expr: key
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Left Outer Join0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col1}
            1 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col1, _col4
          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: _col1
                    type: string
              sort order: +
              Map-reduce partition columns:
                    expr: _col1
                    type: string
              tag: 1
              value expressions:
                    expr: _col4
                    type: string
                    expr: _col0
                    type: string
                    expr: _col1
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: val
                    type: string
              sort order: +
              Map-reduce partition columns:
                    expr: val
                    type: string
              tag: 0
              value expressions:
                    expr: val
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Right Outer Join0 to 1
          condition expressions:
            0 {VALUE._col0} {VALUE._col4} {VALUE._col5}
            1 {VALUE._col1}
          handleSkewJoin: false
          outputColumnNames: _col0, _col4, _col5, _col9
          Select Operator
            expressions:
                  expr: _col4
                  type: string
                  expr: _col0
                  type: string
                  expr: _col5
                  type: string
                  expr: _col9
                  type: string
            outputColumnNames: _col0, _col1, _col2, _col3
            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: FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT a.key, b.key, a.val, c.val
PREHOOK: type: QUERY
PREHOOK: Input: default@t1
PREHOOK: Input: default@t2
PREHOOK: Input: default@t3
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-37_928_4361307602999951254/-mr-10000
POSTHOOK: query: FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT a.key, b.key, a.val, c.val
POSTHOOK: type: QUERY
POSTHOOK: Input: default@t1
POSTHOOK: Input: default@t2
POSTHOOK: Input: default@t3
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-37_928_4361307602999951254/-mr-10000
2	2	12	12
NULL	NULL	NULL	14
NULL	NULL	NULL	16
7	NULL	17	17
PREHOOK: query: FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT /*+ STREAMTABLE(a) */ a.key, b.key, a.val, c.val
PREHOOK: type: QUERY
PREHOOK: Input: default@t1
PREHOOK: Input: default@t2
PREHOOK: Input: default@t3
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-44_013_965933761656921378/-mr-10000
POSTHOOK: query: FROM T1 a
  LEFT OUTER JOIN T2 b ON (b.key=a.key)
  RIGHT OUTER JOIN T3 c ON (c.val = a.val)
SELECT /*+ STREAMTABLE(a) */ a.key, b.key, a.val, c.val
POSTHOOK: type: QUERY
POSTHOOK: Input: default@t1
POSTHOOK: Input: default@t2
POSTHOOK: Input: default@t3
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-44_013_965933761656921378/-mr-10000
2	2	12	12
NULL	NULL	NULL	14
NULL	NULL	NULL	16
7	NULL	17	17
PREHOOK: query: EXPLAIN FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT a.key, b.key, c.key
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT a.key, b.key, c.key
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_UNIQUEJOIN PRESERVE (TOK_TABREF (TOK_TABNAME T1) a) (TOK_EXPLIST (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL a) val)) PRESERVE (TOK_TABREF (TOK_TABNAME T2) b) (TOK_EXPLIST (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL b) val)) PRESERVE (TOK_TABREF (TOK_TABNAME T3) c) (TOK_EXPLIST (. (TOK_TABLE_OR_COL c) key) (. (TOK_TABLE_OR_COL c) val)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) key)))))

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
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 0
              value expressions:
                    expr: key
                    type: string
        b 
          TableScan
            alias: b
            Reduce Output Operator
              key expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 1
              value expressions:
                    expr: key
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 2
              value expressions:
                    expr: key
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Unique Join0 to 0
               Unique Join0 to 0
               Unique Join0 to 0
          condition expressions:
            0 {VALUE._col0}
            1 {VALUE._col0}
            2 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col4, _col8
          Select Operator
            expressions:
                  expr: _col0
                  type: string
                  expr: _col4
                  type: string
                  expr: _col8
                  type: string
            outputColumnNames: _col0, _col1, _col2
            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 FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT /*+ STREAMTABLE(b) */ a.key, b.key, c.key
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT /*+ STREAMTABLE(b) */ a.key, b.key, c.key
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_UNIQUEJOIN PRESERVE (TOK_TABREF (TOK_TABNAME T1) a) (TOK_EXPLIST (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL a) val)) PRESERVE (TOK_TABREF (TOK_TABNAME T2) b) (TOK_EXPLIST (. (TOK_TABLE_OR_COL b) key) (. (TOK_TABLE_OR_COL b) val)) PRESERVE (TOK_TABREF (TOK_TABNAME T3) c) (TOK_EXPLIST (. (TOK_TABLE_OR_COL c) key) (. (TOK_TABLE_OR_COL c) val)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_HINTLIST (TOK_HINT TOK_STREAMTABLE (TOK_HINTARGLIST b))) (TOK_SELEXPR (. (TOK_TABLE_OR_COL a) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL b) key)) (TOK_SELEXPR (. (TOK_TABLE_OR_COL c) key)))))

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
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 0
              value expressions:
                    expr: key
                    type: string
        b 
          TableScan
            alias: b
            Reduce Output Operator
              key expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 2
              value expressions:
                    expr: key
                    type: string
        c 
          TableScan
            alias: c
            Reduce Output Operator
              key expressions:
                    expr: key
                    type: string
                    expr: val
                    type: string
              sort order: ++
              Map-reduce partition columns:
                    expr: key
                    type: string
                    expr: val
                    type: string
              tag: 1
              value expressions:
                    expr: key
                    type: string
      Reduce Operator Tree:
        Join Operator
          condition map:
               Unique Join0 to 0
               Unique Join0 to 0
               Unique Join0 to 0
          condition expressions:
            0 {VALUE._col0}
            1 {VALUE._col0}
            2 {VALUE._col0}
          handleSkewJoin: false
          outputColumnNames: _col0, _col4, _col8
          Select Operator
            expressions:
                  expr: _col0
                  type: string
                  expr: _col4
                  type: string
                  expr: _col8
                  type: string
            outputColumnNames: _col0, _col1, _col2
            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: FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT a.key, b.key, c.key
PREHOOK: type: QUERY
PREHOOK: Input: default@t1
PREHOOK: Input: default@t2
PREHOOK: Input: default@t3
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-50_283_7935840727920713008/-mr-10000
POSTHOOK: query: FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT a.key, b.key, c.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@t1
POSTHOOK: Input: default@t2
POSTHOOK: Input: default@t3
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-50_283_7935840727920713008/-mr-10000
1	NULL	NULL
2	NULL	2
NULL	2	NULL
3	3	NULL
NULL	4	4
NULL	5	NULL
NULL	NULL	6
7	NULL	7
8	8	NULL
8	8	NULL
8	NULL	NULL
PREHOOK: query: FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT /*+ STREAMTABLE(b) */ a.key, b.key, c.key
PREHOOK: type: QUERY
PREHOOK: Input: default@t1
PREHOOK: Input: default@t2
PREHOOK: Input: default@t3
PREHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-53_534_2948703874836264518/-mr-10000
POSTHOOK: query: FROM UNIQUEJOIN
  PRESERVE T1 a (a.key, a.val),
  PRESERVE T2 b (b.key, b.val),
  PRESERVE T3 c (c.key, c.val)
SELECT /*+ STREAMTABLE(b) */ a.key, b.key, c.key
POSTHOOK: type: QUERY
POSTHOOK: Input: default@t1
POSTHOOK: Input: default@t2
POSTHOOK: Input: default@t3
POSTHOOK: Output: file:/tmp/krishnak/hive_2011-03-21_03-57-53_534_2948703874836264518/-mr-10000
1	NULL	NULL
2	NULL	2
NULL	2	NULL
3	3	NULL
NULL	4	4
NULL	5	NULL
NULL	NULL	6
7	NULL	7
8	8	NULL
8	8	NULL
8	NULL	NULL