Does Eclipselink support regular expression queries?
1 answer
MySQL uses REGEX or RLIKE for regular expression queries. JPQL does not support these operators, so you can use your own SQL query.
In EclipseLink, you can define your own ExpressionOperator and use it in your Expression query, but not currently with JPQL. JPQL supports functions to call the database using FUNC, but they have a different syntax than functions. You can extend MySQLPlatform to do # like us REGEX or RLIKE.
Please file a bug for this on EclipseLink. Most databases now support regex, so this support should be available in JPQL.
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