semantically insignificant and disregarded when comparing two values
of type character. In collations where whitespace
is significant, this behavior can produce unexpected results,
- e.g. SELECT 'a '::CHAR(2) collate "C" < 'a\n'::CHAR(2)
- returns true.
+ e.g. SELECT 'a '::CHAR(2) collate "C" <
+ 'a\n'::CHAR(2) returns true.
Trailing spaces are removed when converting a character value
to one of the other string types. Note that trailing spaces
are> semantically significant in