How to Escape the Colon Character in JPA Queries for MySQL User Variables?

Escaping the Colon Character in JPA Queries

When using native JPA queries that include the colon character (':'), developers may encounter exceptions related to invalid syntax. This is especially true when using MySQL user variables within the query.

In the provided example, the native query attempts to manipulate the '@rownum' and '@id' variables, but JPA fails to parse the query due to the syntax error. To resolve this issue, it's crucial to properly escape the colon character.

While escaping with backslashes and doubling up the colons are common approaches, they are not suitable in this case. The solution is to escape the colon character using a backslash, followed by a second backslash.

Therefore, the updated JPA query should look like this:

By double-escaping the colon character, you can effectively escape it within the JPA query and prevent the syntax error. This approach allows you to use MySQL user variables within native JPA queries without any issues.

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