Thread: [DOCS] tip to workaround trailing spaces removal on char to varcharconversion

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/9.6/static/datatype-character.html
Description:

removing trailing spaces on (implicit) cast from char to text can be
painful, and always surprising as shown in example with 
SELECT 'a '::CHAR(2) collate "C" < E'a\n'::CHAR(2)

would it be worth mentioning a tip, that this behaviour can be monkey hacked
by concat(str "any" function that accepts char and returns text, thus
respecting the spaces, eg SELECT concat('a '::CHAR(2) collate "C") <
E'a\n'::CHAR(2) will return false as expected...

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