2017-04-26



In PHP you can use `or' as a replacement for `||' in logical  ex-
pressions  (although  with a different precedence). In Mysql, you
might use `||' as as replacement for `OR' ...  but  it  might  as
well be a replacement for `CONCAT()'!  [0]

Thus: Don't use `||' in Mysql!


[0]  https://dev.mysql.com/doc/refman/5.7/en/sql-
mode.html#sqlmode_pipes_as_concat


http://marmaro.de/lue/        markus schnalke <meillo@marmaro.de>