"Splitting string into char array with string_to_array" <valgog@gmail.com> writes:
> I cannot really remember now for sure, but the splitting string into array
> using an empty string ('') worked for me on pre-9.0 versions to get array of
> string chars.
Really? I get this in all versions since 7.4, where string_to_array was
introduced:
regression=# select string_to_array('ab', '' );
string_to_array
-----------------
{ab}
(1 row)
regards, tom lane
