PREHOOK: query: DESCRIBE FUNCTION atan
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION atan
POSTHOOK: type: DESCFUNCTION
atan(x) - returns the atan (arctan) of x (x is in radians)
PREHOOK: query: DESCRIBE FUNCTION EXTENDED atan
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED atan
POSTHOOK: type: DESCFUNCTION
atan(x) - returns the atan (arctan) of x (x is in radians)
Example:
   > SELECT atan(0) FROM src LIMIT 1;
  0
PREHOOK: query: SELECT atan(null)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT atan(null)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
NULL
PREHOOK: query: SELECT atan(1), atan(6), atan(-1.0)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT atan(1), atan(6), atan(-1.0)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0.7853981633974483	1.4056476493802699	-0.7853981633974483
PREHOOK: query: DESCRIBE FUNCTION atan
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION atan
POSTHOOK: type: DESCFUNCTION
atan(x) - returns the atan (arctan) of x (x is in radians)
PREHOOK: query: DESCRIBE FUNCTION EXTENDED atan
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED atan
POSTHOOK: type: DESCFUNCTION
atan(x) - returns the atan (arctan) of x (x is in radians)
Example:
   > SELECT atan(0) FROM src LIMIT 1;
  0
PREHOOK: query: SELECT atan(null)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT atan(null)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
NULL
PREHOOK: query: SELECT atan(1), atan(6), atan(-1.0)
FROM src LIMIT 1
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
POSTHOOK: query: SELECT atan(1), atan(6), atan(-1.0)
FROM src LIMIT 1
POSTHOOK: type: QUERY
POSTHOOK: Input: default@src
#### A masked pattern was here ####
0.7853981633974483	1.4056476493802699	-0.7853981633974483