Hello list,
I am currently trying to fix a bug in a search function with a request
like this one :
select * from forum where topic like '%[...]%' ;
where [...] is a string escaped by mysql_real_escape_string (C API) and
topic is a varchar field (not null).
It works, but there is a bug if someone is searching the character
backslash only ('\'), so the request become :
select * from forum where topic like '%\\%' ;
and it returns only topics who have a '%' in them, not a '\'. It is the
same result as if I were doing :
select * from forum where topic like '%\%' ;
To get the topics with a '\' (but it returns only the topics that ends
with a '\'), I must do :
select * from forum where topic like '%\\' ;
So it seems to me that the ending % is escaped even with '\\'. Is this a
normal behaviour ? Or am I missing something ?
Here are some infos about the server version, might be useful :
version = 4.0.20-standard
version_comment = Official MySQL-standard binary
version_compile_os = linux
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