PREHOOK: query: -- SORT_BEFORE_DIFF

-- HIVE-2901
select x from (select value as x from src order by x limit 5 union all select NULL as x from src limit 5) a
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: -- SORT_BEFORE_DIFF

-- HIVE-2901
select x from (select value as x from src order by x limit 5 union all select NULL as x from src limit 5) a
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
val_0
val_0
val_0
val_10
val_100
NULL
NULL
NULL
NULL
NULL
PREHOOK: query: -- HIVE-4837
select * from (select null as N from src1 group by key UNION ALL select null as N from src1 group by key ) a
PREHOOK: type: QUERY
PREHOOK: Input: default@src1
#### A masked pattern was here ####
POSTHOOK: query: -- HIVE-4837
select * from (select null as N from src1 group by key UNION ALL select null as N from src1 group by key ) a
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src1
#### A masked pattern was here ####
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL