From a668c46e89c68f8289cffb7317d0016f3e1f4f9e Mon Sep 17 00:00:00 2001
From: mask <39329477+Narcasserun@users.noreply.github.com>
Date: Fri, 31 Dec 2021 13:49:17 +0800
Subject: [PATCH] [fix-7750]Compatible historical version data source
 connection information(#7750) (#7751)

---
 .../api/provider/JdbcDataSourceProvider.java          | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/provider/JdbcDataSourceProvider.java b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/provider/JdbcDataSourceProvider.java
index 16cb02769..24a6a29fe 100644
--- a/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/provider/JdbcDataSourceProvider.java
+++ b/dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/provider/JdbcDataSourceProvider.java
@@ -98,12 +98,11 @@ public class JdbcDataSourceProvider {
                 logger.warn("Jdbc driver loading error. Driver {} cannot accept url.", drv);
                 throw new RuntimeException("Jdbc driver loading error.");
             }
-            if (dbType.equals(DbType.MYSQL)) {
-                if (driver.getMajorVersion() >= 8) {
-                    properties.setDriverClassName(drv);
-                } else {
-                    properties.setDriverClassName(Constants.COM_MYSQL_JDBC_DRIVER);
-                }
+            //Compatible historical version data source connection information
+            if (dbType.equals(DbType.MYSQL) && driver.getMajorVersion() <= 8) {
+                properties.setDriverClassName(Constants.COM_MYSQL_JDBC_DRIVER);
+            } else {
+                properties.setDriverClassName(drv);
             }
         } catch (final Exception e) {
             logger.warn("The specified driver not suitable.");
-- 
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