PREHOOK: query: DESCRIBE FUNCTION cos
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION cos
POSTHOOK: type: DESCFUNCTION
cos(x) - returns the cosine of x (x is in radians)
PREHOOK: query: DESCRIBE FUNCTION EXTENDED cos
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED cos
POSTHOOK: type: DESCFUNCTION
cos(x) - returns the cosine of x (x is in radians)
Example:
   > SELECT cos(0) FROM src LIMIT 1;
  1
PREHOOK: query: SELECT cos(null)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: file:/Users/carl/Projects/hd9/hive-trunk/build/ql/tmp/2017515612/10000
POSTHOOK: query: SELECT cos(null)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: file:/Users/carl/Projects/hd9/hive-trunk/build/ql/tmp/2017515612/10000
NULL
PREHOOK: query: SELECT cos(0.98), cos(1.57), cos(-0.5)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
PREHOOK: Output: file:/Users/carl/Projects/hd9/hive-trunk/build/ql/tmp/1873387849/10000
POSTHOOK: query: SELECT cos(0.98), cos(1.57), cos(-0.5)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
POSTHOOK: Output: file:/Users/carl/Projects/hd9/hive-trunk/build/ql/tmp/1873387849/10000
0.5570225467662173	7.963267107332633E-4	0.8775825618903728