MYSQL case sensitive search (using hibernate) for utf8
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12-09-2019 - |
Question
I have Login Table that have utf8 charset and utf8 collation when I want check user name and retrieve other information for this specific user name the hql query give me the same result with lowercase and uppercase. what should l do for my HQL query that work case sesitive I use Mysql 5 and java hibernarte
this is my query:
return queryManager.executeQueryUniqueResult("select b.login from BranchEntity b where b.userName = ?", username);
Solution
The easiest way is to change your column's definition to use case-insensitive collation like utf8_bin
.
Details are here
OTHER TIPS
Add class
public class CollateDialect extends MySQLDialect {
@Override
public String getTableTypeString() {
return " COLLATE utf8_bin";
}
}
and use it:
cfg.setProperty("hibernate.dialect", "org.kriyak.hbm.CollateDialect");
this will make all queries case-sensitive that makes much more sence.
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