PREHOOK: query: DESCRIBE FUNCTION log
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION log
POSTHOOK: type: DESCFUNCTION
log([b], x) - Returns the logarithm of x with base b
PREHOOK: query: DESCRIBE FUNCTION EXTENDED log
PREHOOK: type: DESCFUNCTION
POSTHOOK: query: DESCRIBE FUNCTION EXTENDED log
POSTHOOK: type: DESCFUNCTION
log([b], x) - Returns the logarithm of x with base b
Example:
  > SELECT log(13, 13) FROM src LIMIT 1;
  1