PREHOOK: query: EXPLAIN
SELECT
    'abc',        "abc",
    'abc\'',      "abc\"",
    'abc\\',      "abc\\",
    'abc\\\'',    "abc\\\"",
    'abc\\\\',    "abc\\\\",
    'abc\\\\\'',  "abc\\\\\"",
    'abc\\\\\\',  "abc\\\\\\",
    'abc""""\\',  "abc''''\\",
    'mysql_%\\_\%', 'mysql\\\_\\\\\%',
    "awk '{print NR\"\\t\"$0}'",
    'tab\ttab',   "tab\ttab"
FROM src
LIMIT 1
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
SELECT
    'abc',        "abc",
    'abc\'',      "abc\"",
    'abc\\',      "abc\\",
    'abc\\\'',    "abc\\\"",
    'abc\\\\',    "abc\\\\",
    'abc\\\\\'',  "abc\\\\\"",
    'abc\\\\\\',  "abc\\\\\\",
    'abc""""\\',  "abc''''\\",
    'mysql_%\\_\%', 'mysql\\\_\\\\\%',
    "awk '{print NR\"\\t\"$0}'",
    'tab\ttab',   "tab\ttab"
FROM src
LIMIT 1
POSTHOOK: type: QUERY
STAGE DEPENDENCIES:
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-0
    Fetch Operator
      limit: 1
      Processor Tree:
        TableScan
          alias: src
          Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE Column stats: COMPLETE
          Select Operator
            expressions: 'abc' (type: string), 'abc' (type: string), 'abc'' (type: string), 'abc"' (type: string), 'abc\' (type: string), 'abc\' (type: string), 'abc\'' (type: string), 'abc\"' (type: string), 'abc\\' (type: string), 'abc\\' (type: string), 'abc\\'' (type: string), 'abc\\"' (type: string), 'abc\\\' (type: string), 'abc\\\' (type: string), 'abc""""\' (type: string), 'abc''''\' (type: string), 'mysql_%\_\%' (type: string), 'mysql\\_\\\%' (type: string), 'awk '{print NR"\t"$0}'' (type: string), 'tab	tab' (type: string), 'tab	tab' (type: string)
            outputColumnNames: _col0, _col1, _col2, _col3, _col4, _col5, _col6, _col7, _col8, _col9, _col10, _col11, _col12, _col13, _col14, _col15, _col16, _col17, _col18, _col19, _col20
            Statistics: Num rows: 500 Data size: 952500 Basic stats: COMPLETE Column stats: COMPLETE
            Limit
              Number of rows: 1
              Statistics: Num rows: 1 Data size: 1905 Basic stats: COMPLETE Column stats: COMPLETE
              ListSink

PREHOOK: query: SELECT
    'abc',        "abc",
    'abc\'',      "abc\"",
    'abc\\',      "abc\\",
    'abc\\\'',    "abc\\\"",
    'abc\\\\',    "abc\\\\",
    'abc\\\\\'',  "abc\\\\\"",
    'abc\\\\\\',  "abc\\\\\\",
    'abc""""\\',  "abc''''\\",
    'mysql_%\\_\%', 'mysql\\\_\\\\\%',
    "awk '{print NR\"\\t\"$0}'",
    'tab\ttab',   "tab\ttab"
FROM src
LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT
    'abc',        "abc",
    'abc\'',      "abc\"",
    'abc\\',      "abc\\",
    'abc\\\'',    "abc\\\"",
    'abc\\\\',    "abc\\\\",
    'abc\\\\\'',  "abc\\\\\"",
    'abc\\\\\\',  "abc\\\\\\",
    'abc""""\\',  "abc''''\\",
    'mysql_%\\_\%', 'mysql\\\_\\\\\%',
    "awk '{print NR\"\\t\"$0}'",
    'tab\ttab',   "tab\ttab"
FROM src
LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
abc	abc	abc'	abc"	abc\	abc\	abc\'	abc\"	abc\\	abc\\	abc\\'	abc\\"	abc\\\	abc\\\	abc""""\	abc''''\	mysql_%\_\%	mysql\\_\\\%	awk '{print NR"\t"$0}'	tab	tab	tab	tab