Michael Brusser <michael(at)synchronicity(dot)com> writes:
> But when I doubled the number of backslashes:
> SELECT smth. FROM tbl WHERE situation LIKE '%\\\\%';
> - it actually worked fine.
Backslash is special to both the string-literal parser and the LIKE code.
So when you write the above, the pattern value that arrives at the LIKE
processor has one less level of backslashing:
%\\%
and the LIKE processor interprets this as percent, a literal backslash,
and another percent.
regards, tom lane