PREHOOK: query: EXPLAIN
SELECT x.* FROM SRC x LIMIT 20
PREHOOK: type: QUERY
POSTHOOK: query: EXPLAIN
SELECT x.* FROM SRC x LIMIT 20
POSTHOOK: type: QUERY
ABSTRACT SYNTAX TREE:
  (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME SRC) x)) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_ALLCOLREF (TOK_TABNAME x)))) (TOK_LIMIT 20)))

STAGE DEPENDENCIES:
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-0
    Fetch Operator
      limit: 20
      Processor Tree:
        TableScan
          alias: x
          Select Operator
            expressions:
                  expr: key
                  type: string
                  expr: value
                  type: string
            outputColumnNames: _col0, _col1
            Limit
              ListSink


PREHOOK: query: SELECT x.* FROM SRC x LIMIT 20
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT x.* FROM SRC x LIMIT 20
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
238	val_238
86	val_86
311	val_311
27	val_27
165	val_165
409	val_409
255	val_255
278	val_278
98	val_98
484	val_484
265	val_265
193	val_193
401	val_401
150	val_150
273	val_273
224	val_224
369	val_369
66	val_66
128	val_128
213	val_213