PREHOOK: query: create table nzhang_test1 stored as sequencefile as select 'key1' as key, 'value
1

http://asdf' value from src limit 1
PREHOOK: type: CREATETABLE_AS_SELECT
PREHOOK: Input: default@src
PREHOOK: Output: database:default
PREHOOK: Output: default@nzhang_test1
POSTHOOK: query: create table nzhang_test1 stored as sequencefile as select 'key1' as key, 'value
1

http://asdf' value from src limit 1
POSTHOOK: type: CREATETABLE_AS_SELECT
POSTHOOK: Input: default@src
POSTHOOK: Output: database:default
POSTHOOK: Output: default@nzhang_test1
PREHOOK: query: select * from nzhang_test1
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select * from nzhang_test1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
key1	value
1

http://asdf
PREHOOK: query: select count(*) from nzhang_test1
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select count(*) from nzhang_test1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
1
PREHOOK: query: explain
select * from nzhang_test1 where key='key1'
PREHOOK: type: QUERY
POSTHOOK: query: explain
select * from nzhang_test1 where key='key1'
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: nzhang_test1
            Statistics: Num rows: 1 Data size: 25 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (key = 'key1') (type: boolean)
              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
              Select Operator
                expressions: 'key1' (type: string), value (type: string)
                outputColumnNames: _col0, _col1
                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
                  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 * from nzhang_test1 where key='key1'
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select * from nzhang_test1 where key='key1'
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
key1	value
1	NULL
	NULL
http://asdf	NULL
PREHOOK: query: select * from nzhang_test1
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select * from nzhang_test1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
key1	value
1

http://asdf
PREHOOK: query: select count(*) from nzhang_test1
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select count(*) from nzhang_test1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
1
PREHOOK: query: explain
select * from nzhang_test1 where key='key1'
PREHOOK: type: QUERY
POSTHOOK: query: explain
select * from nzhang_test1 where key='key1'
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: nzhang_test1
            Statistics: Num rows: 1 Data size: 25 Basic stats: COMPLETE Column stats: NONE
            Filter Operator
              predicate: (key = 'key1') (type: boolean)
              Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
              Select Operator
                expressions: 'key1' (type: string), value (type: string)
                outputColumnNames: _col0, _col1
                Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
                File Output Operator
                  compressed: false
                  Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
                  table:
                      input format: org.apache.hadoop.mapred.SequenceFileInputFormat
                      output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat
                      serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe

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

PREHOOK: query: select * from nzhang_test1 where key='key1'
PREHOOK: type: QUERY
PREHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
POSTHOOK: query: select * from nzhang_test1 where key='key1'
POSTHOOK: type: QUERY
POSTHOOK: Input: default@nzhang_test1
#### A masked pattern was here ####
key1	value
1

http://asdf