ql/src/test/queries/clientpositive/udf1.q

--! qt:dataset:src
set hive.mapred.mode=nonstrict;
CREATE TABLE dest1_n1(c1 STRING, c2 STRING, c3 STRING, c4 STRING,
  c5 STRING, c6 STRING, c7 STRING, c8 STRING,
  c9 STRING, c10 STRING, c11 STRING, c12 STRING, c13 STRING,
  c14 STRING, c15 STRING, c16 STRING, c17 STRING,
  c18 STRING, c19 STRING, c20 STRING) STORED AS TEXTFILE;

EXPLAIN
FROM src INSERT OVERWRITE TABLE dest1_n1 SELECT 'a' LIKE '%a%', 'b' LIKE '%a%', 'ab' LIKE '%a%', 'ab' LIKE '%a_',
  '%_' LIKE '\%\_', 'ab' LIKE '\%\_', 'ab' LIKE '_a%', 'ab' LIKE 'a',
  '' RLIKE '.*', 'a' RLIKE '[ab]', '' RLIKE '[ab]', 'hadoop' RLIKE '[a-z]*', 'hadoop' RLIKE 'o*',
  REGEXP_REPLACE('abc', 'b', 'c'), REGEXP_REPLACE('abc', 'z', 'a'), REGEXP_REPLACE('abbbb', 'bb', 'b'),
  REGEXP_REPLACE('hadoop', '(.)[a-z]*', '$1ive'), REGEXP_REPLACE('hadoopAAA','A.*',''),
  REGEXP_REPLACE('abc', '', 'A'), 'abc' RLIKE ''
  WHERE src.key = 86;

FROM src INSERT OVERWRITE TABLE dest1_n1 SELECT 'a' LIKE '%a%', 'b' LIKE '%a%', 'ab' LIKE '%a%', 'ab' LIKE '%a_',
  '%_' LIKE '\%\_', 'ab' LIKE '\%\_', 'ab' LIKE '_a%', 'ab' LIKE 'a',
  '' RLIKE '.*', 'a' RLIKE '[ab]', '' RLIKE '[ab]', 'hadoop' RLIKE '[a-z]*', 'hadoop' RLIKE 'o*',
  REGEXP_REPLACE('abc', 'b', 'c'), REGEXP_REPLACE('abc', 'z', 'a'), REGEXP_REPLACE('abbbb', 'bb', 'b'),
  REGEXP_REPLACE('hadoop', '(.)[a-z]*', '$1ive'), REGEXP_REPLACE('hadoopAAA','A.*',''),
  REGEXP_REPLACE('abc', '', 'A'), 'abc' RLIKE ''
  WHERE src.key = 86;

SELECT dest1_n1.* FROM dest1_n1;