无需hibernate_show_sql = true即可将Hql转换为Sql查询 [英] Convert Hql to Sql Query without hibernate_show_sql=true

问题描述

我执行以下HQL并正确执行

  String hql =FROM Employee; 
 Query query = session.createQuery（hql）; 
列表结果= query.list（）; 
  

现在我还想在日志中为后端日志生成支持用户的SQL，我想请使用QueryTranslator请告诉我如何为相应的HQL生成sql请告知如何实现这一点。 您可以使用hibernate QueryTranslator：

 字符串hqlQueryString = hqlQuery.getQueryString（）; 
 ASTQueryTranslatorFactory queryTranslatorFactory = new ASTQueryTranslatorFactory（）; 
 SessionImplementor hibernateSession = entityManager.unwrap（SessionImplementor.class）; 
 QueryTranslator queryTranslator = queryTranslatorFactory.createQueryTranslator（，hqlQueryString，java.util.Collections.EMPTY_MAP，hibernateSession.getFactory（））; 
 queryTranslator.compile（java.util.Collections.EMPTY_MAP，false）; 
 String sqlQueryString = queryTranslator.getSQLString（）; 
  

I am executing the following HQL and it is executing properly

String hql = "FROM Employee";
Query query = session.createQuery(hql);
List results = query.list();

Now i also want to log the sql generated at the backend in logs for support users , I want to make use of QueryTranslator please advise how can I generate the sql for corresponding HQL please advise how to achieve this.

解决方案

You can use hibernate QueryTranslator:

String hqlQueryString = hqlQuery.getQueryString();
ASTQueryTranslatorFactory queryTranslatorFactory = new ASTQueryTranslatorFactory();
SessionImplementor hibernateSession = entityManager.unwrap(SessionImplementor.class);
QueryTranslator queryTranslator = queryTranslatorFactory.createQueryTranslator("", hqlQueryString, java.util.Collections.EMPTY_MAP, hibernateSession.getFactory());
queryTranslator.compile(java.util.Collections.EMPTY_MAP, false);
String sqlQueryString = queryTranslator.getSQLString();

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