去除SqlSession

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/config/GlobalConfig.java

@@ -62,10 +62,6 @@ public class GlobalConfig implements Serializable {
      * SQL注入器
      */
     private ISqlInjector sqlInjector;
-    /**
-     * 单例重用SqlSession
-     */
-    private SqlSession sqlSession;
     /**
      * 缓存当前Configuration的SqlSessionFactory
      */

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/GlobalConfigUtils.java

@@ -23,7 +23,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import org.apache.ibatis.logging.Log;
 import org.apache.ibatis.logging.LogFactory;
 import org.apache.ibatis.session.Configuration;
-import org.apache.ibatis.session.SqlSession;
 import org.apache.ibatis.session.SqlSessionFactory;
 
 import com.baomidou.mybatisplus.annotation.DbType;
@@ -161,8 +160,4 @@ public class GlobalConfigUtils {
     public static Set<String> getMapperRegistryCache(Configuration configuration) {
         return getGlobalConfig(configuration).getMapperRegistryCache();
     }
-
-    public static SqlSession getSqlSession(Configuration configuration) {
-        return getGlobalConfig(configuration).getSqlSession();
-    }
 }

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/sql/SqlHelper.java

@@ -22,7 +22,6 @@ import com.baomidou.mybatisplus.core.metadata.TableInfo;
 import com.baomidou.mybatisplus.core.toolkit.*;
 import org.apache.ibatis.logging.Log;
 import org.apache.ibatis.logging.LogFactory;
-import org.apache.ibatis.session.Configuration;
 import org.apache.ibatis.session.ExecutorType;
 import org.apache.ibatis.session.SqlSession;
 import org.apache.ibatis.session.SqlSessionFactory;
@@ -69,26 +68,6 @@ public final class SqlHelper {
         return GlobalConfigUtils.currentSessionFactory(clazz).openSession(ExecutorType.BATCH);
     }
 
-    /**
-     * <p>
-     * 获取sqlSession
-     * </p>
-     *
-     * @param clazz 对象类
-     * @return
-     */
-    private static SqlSession getSqlSession(Class<?> clazz) {
-        SqlSession session = null;
-        try {
-            SqlSessionFactory sqlSessionFactory = GlobalConfigUtils.currentSessionFactory(clazz);
-            Configuration configuration = sqlSessionFactory.getConfiguration();
-            session = GlobalConfigUtils.getGlobalConfig(configuration).getSqlSession();
-        } catch (Exception e) {
-            // ignored
-        }
-        return session;
-    }
-
     /**
      * <p>
      * 获取Session
@@ -99,8 +78,7 @@ public final class SqlHelper {
      * @return SqlSession
      */
     public static SqlSession sqlSession(Class<?> clazz, boolean autoCommit) {
-        SqlSession sqlSession = SqlHelper.getSqlSession(clazz);
-        return (sqlSession != null) ? sqlSession : GlobalConfigUtils.currentSessionFactory(clazz).openSession(autoCommit);
+        return GlobalConfigUtils.currentSessionFactory(clazz).openSession(autoCommit);
     }
 
     /**

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/toolkit/SqlRunner.java

@@ -25,7 +25,6 @@ import org.springframework.transaction.annotation.Transactional;
 
 import com.baomidou.mybatisplus.core.assist.ISqlRunner;
 import com.baomidou.mybatisplus.core.metadata.IPage;
-import com.baomidou.mybatisplus.core.toolkit.GlobalConfigUtils;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.core.toolkit.sql.SqlHelper;
 
@@ -191,7 +190,7 @@ public class SqlRunner implements ISqlRunner {
      * <p/>
      */
     private SqlSession sqlSession() {
-        return (clazz != null) ? SqlHelper.sqlSession(clazz) : GlobalConfigUtils.getSqlSession(SqlHelper.FACTORY.getConfiguration());
+        return (clazz != null) ? SqlHelper.sqlSession(clazz) : SqlHelper.FACTORY.openSession(true);
     }
 
 }