PREHOOK: query: DESCRIBE FUNCTION regexp
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION regexp
POSTHOOK: type: DESCFUNCTION
str regexp regexp - Returns true if str matches regexp and false otherwise
PREHOOK: query: DESCRIBE FUNCTION EXTENDED regexp
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED regexp
POSTHOOK: type: DESCFUNCTION
str regexp regexp - Returns true if str matches regexp and false otherwise
Synonyms: rlike
Example:
  > SELECT 'fb' regexp '.*' FROM src LIMIT 1;
  true
PREHOOK: query: SELECT 'fofo' REGEXP '^fo', 'fo\no' REGEXP '^fo\no$', 'Bn' REGEXP '^Ba*n', 'afofo' REGEXP 'fo',
'afofo' REGEXP '^fo', 'Baan' REGEXP '^Ba?n', 'axe' REGEXP 'pi|apa', 'pip' REGEXP '^(pi)*$'
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: file:/Users/carl/Projects/hd8/hive-trunk/build/ql/tmp/1188479337/10000
POSTHOOK: query: SELECT 'fofo' REGEXP '^fo', 'fo\no' REGEXP '^fo\no$', 'Bn' REGEXP '^Ba*n', 'afofo' REGEXP 'fo',
'afofo' REGEXP '^fo', 'Baan' REGEXP '^Ba?n', 'axe' REGEXP 'pi|apa', 'pip' REGEXP '^(pi)*$'
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: file:/Users/carl/Projects/hd8/hive-trunk/build/ql/tmp/1188479337/10000
true	true	true	true	false	false	false	false