import pgtml2update
built-in function split
split(str [,sep [,maxsplit]]) -> list of strings splitfields(str [,sep [,maxsplit]]) -> list of strings
Return a list of the words in the string s, using sep as the delimiter string. If maxsplit is nonzero, splits into at most maxsplit words If sep is not specified, any whitespace string is a separator. Maxsplit defaults to 0.
(split and splitfields are synonymous)