PREHOOK: query: DESCRIBE FUNCTION stack
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION stack
POSTHOOK: type: DESCFUNCTION
stack(n, cols...) - turns k columns into n rows of size k/n each
PREHOOK: query: EXPLAIN SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z') a AS x, y LIMIT 2
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z') a AS x, y LIMIT 2
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
            Lateral View Forward
              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
              Select Operator
                Statistics: Num rows: 500 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                Lateral View Join Operator
                  outputColumnNames: _col5, _col6
                  Statistics: Num rows: 1000 Data size: 111000 Basic stats: COMPLETE Column stats: COMPLETE
                  Select Operator
                    expressions: _col5 (type: string), _col6 (type: array<int>)
                    outputColumnNames: _col0, _col1
                    Statistics: Num rows: 1000 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                    Limit
                      Number of rows: 2
                      Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                      File Output Operator
                        compressed: false
                        Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                        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
              Select Operator
                expressions: 2 (type: int), 'x' (type: string), array(1) (type: array<int>), 'z' (type: string)
                outputColumnNames: _col0, _col1, _col2, _col3
                Statistics: Num rows: 500 Data size: 111000 Basic stats: COMPLETE Column stats: COMPLETE
                UDTF Operator
                  Statistics: Num rows: 500 Data size: 111000 Basic stats: COMPLETE Column stats: COMPLETE
                  function name: stack
                  Lateral View Join Operator
                    outputColumnNames: _col5, _col6
                    Statistics: Num rows: 1000 Data size: 111000 Basic stats: COMPLETE Column stats: COMPLETE
                    Select Operator
                      expressions: _col5 (type: string), _col6 (type: array<int>)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 1000 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                      Limit
                        Number of rows: 2
                        Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                        File Output Operator
                          compressed: false
                          Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                          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

  Stage: Stage-0
    Fetch Operator
      limit: 2
      Processor Tree:
        ListSink

PREHOOK: query: EXPLAIN SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z', array(4)) a AS x, y LIMIT 2
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z', array(4)) a AS x, y LIMIT 2
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: src
            Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
            Lateral View Forward
              Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
              Select Operator
                Statistics: Num rows: 500 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                Lateral View Join Operator
                  outputColumnNames: _col5, _col6
                  Statistics: Num rows: 1000 Data size: 135000 Basic stats: COMPLETE Column stats: COMPLETE
                  Select Operator
                    expressions: _col5 (type: string), _col6 (type: array<int>)
                    outputColumnNames: _col0, _col1
                    Statistics: Num rows: 1000 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                    Limit
                      Number of rows: 2
                      Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                      File Output Operator
                        compressed: false
                        Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                        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
              Select Operator
                expressions: 2 (type: int), 'x' (type: string), array(1) (type: array<int>), 'z' (type: string), array(4) (type: array<int>)
                outputColumnNames: _col0, _col1, _col2, _col3, _col4
                Statistics: Num rows: 500 Data size: 135000 Basic stats: COMPLETE Column stats: COMPLETE
                UDTF Operator
                  Statistics: Num rows: 500 Data size: 135000 Basic stats: COMPLETE Column stats: COMPLETE
                  function name: stack
                  Lateral View Join Operator
                    outputColumnNames: _col5, _col6
                    Statistics: Num rows: 1000 Data size: 135000 Basic stats: COMPLETE Column stats: COMPLETE
                    Select Operator
                      expressions: _col5 (type: string), _col6 (type: array<int>)
                      outputColumnNames: _col0, _col1
                      Statistics: Num rows: 1000 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                      Limit
                        Number of rows: 2
                        Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                        File Output Operator
                          compressed: false
                          Statistics: Num rows: 2 Data size: 0 Basic stats: PARTIAL Column stats: COMPLETE
                          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

  Stage: Stage-0
    Fetch Operator
      limit: 2
      Processor Tree:
        ListSink

PREHOOK: query: SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z') a AS x, y LIMIT 2
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z') a AS x, y LIMIT 2
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
x	[1]
z	NULL
PREHOOK: query: SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z', array(4)) a AS x, y LIMIT 2
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT x, y FROM src LATERAL VIEW STACK(2, 'x', array(1), 'z', array(4)) a AS x, y LIMIT 2
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
x	[1]
z	[4]
PREHOOK: query: EXPLAIN
SELECT stack(1, "en", "dbpedia", NULL )
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
SELECT stack(1, "en", "dbpedia", NULL )
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-1 is a root stage
  Stage-0 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-1
    Map Reduce
      Map Operator Tree:
          TableScan
            alias: _dummy_table
            Row Limit Per Split: 1
            Statistics: Num rows: 0 Data size: 1 Basic stats: PARTIAL Column stats: COMPLETE
            Select Operator
              expressions: 1 (type: int), 'en' (type: string), 'dbpedia' (type: string), null (type: void)
              outputColumnNames: _col0, _col1, _col2, _col3
              Statistics: Num rows: 0 Data size: 1 Basic stats: PARTIAL Column stats: COMPLETE
              UDTF Operator
                Statistics: Num rows: 0 Data size: 1 Basic stats: PARTIAL Column stats: COMPLETE
                function name: stack
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 0 Data size: 1 Basic stats: PARTIAL Column stats: COMPLETE
                  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

  Stage: Stage-0
    Fetch Operator
      limit: -1
      Processor Tree:
        ListSink

PREHOOK: query: SELECT stack(1, "en", "dbpedia", NULL )
PREHOOK: type: QUERY
PREHOOK: Input: _dummy_database@_dummy_table
#### A masked pattern was here ####
POSTHOOK: query: SELECT stack(1, "en", "dbpedia", NULL )
POSTHOOK: type: QUERY
POSTHOOK: Input: _dummy_database@_dummy_table
#### A masked pattern was here ####
en	dbpedia	NULL