JPA EntityManager find with case sensitive key?

The MySQL guide has information on how to do so.

The MySQL guide has information on how to do so. This is more or less what you found with the BINARY operator but it applies to the column type instead of when you run a SELECT.

In JPA you have nice string functions that you can use in your queries (see EJB Persistence Specification, section 4.6.16.1). Something like the following should do the trick for you, in case you are using EJB QL: User findUserByName(String userName) { Query q = em. CreateQuery("FROM User WHERE lower(username) = :username"); q.

SetParameter("username", userName.toLowerCase()); return (User) q.getSingleResult(); } As you said you were using you can always go for criteria queries, with their built in option for ignore case. It just looks cleaner, and hopefully we get something similar for the next JPA spec. As the previous commenter pointed out, it might be better to do this on the DB level for large tables.

Most DBs should support that.

Had a similar Problem. You have to set the collation of the table or of the whole database to one which is case-sensitive. See: Reference Manual 12.1.10 CREATE DATABASE SYNTAX and 9.1. 3.2.Database Character Set and Collation.

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