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

--! qt:dataset:src
set hive.mapred.mode=nonstrict;
set hive.fetch.task.conversion=more;

DESCRIBE FUNCTION like;
DESCRIBE FUNCTION EXTENDED like;

EXPLAIN
SELECT '_%_' LIKE '%\_\%\_%', '__' LIKE '%\_\%\_%', '%%_%_' LIKE '%\_\%\_%', '%_%_%' LIKE '%\%\_\%',
  '_%_' LIKE '\%\_%', '%__' LIKE '__\%%', '_%' LIKE '\_\%\_\%%', '_%' LIKE '\_\%_%',
  '%_' LIKE '\%\_', 'ab' LIKE '\%\_', 'ab' LIKE '_a%', 'ab' LIKE 'a','ab' LIKE '','' LIKE ''
FROM src WHERE src.key = 86;

SELECT '_%_' LIKE '%\_\%\_%', '__' LIKE '%\_\%\_%', '%%_%_' LIKE '%\_\%\_%', '%_%_%' LIKE '%\%\_\%',
  '_%_' LIKE '\%\_%', '%__' LIKE '__\%%', '_%' LIKE '\_\%\_\%%', '_%' LIKE '\_\%_%',
  '%_' LIKE '\%\_', 'ab' LIKE '\%\_', 'ab' LIKE '_a%', 'ab' LIKE 'a','ab' LIKE '','' LIKE ''
FROM src WHERE src.key = 86;


SELECT '1+2' LIKE '_+_', 
       '1+2' LIKE '1+_',
       '112' LIKE '1+_',
       '|||' LIKE '|_|', 
       '+++' LIKE '1+_' 
FROM src tablesample (1 rows);


CREATE TEMPORARY TABLE SplitLines(`id` string) STORED AS ORC;
INSERT INTO SplitLines SELECT 'withdraw\ncash';
SELECT `id` LIKE '%withdraw%cash' FROM SplitLines ;