[fix-7671][plugin] Supports whether SQL is placed in the same session for configuration(fix-7671) (#7675)

-Supports whether SQL is placed in the same session for configuration

dolphinscheduler-common/src/main/resources/common.properties

@@ -75,6 +75,9 @@ datasource.encryption.enable=false
 # datasource encryption salt
 datasource.encryption.salt=!@#$%^&*
 
+# Whether hive SQL is executed in the same session
+support.hive.oneSession=false
+
 # use sudo or not, if set true, executing user is tenant user and deploy user needs sudo permissions; if set false, executing user is the deploy user and doesn't need sudo permissions
 sudo.enable=true
 

dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/provider/JDBCDataSourceProvider.java

@@ -77,8 +77,9 @@ public class JDBCDataSourceProvider {
         dataSource.setUsername(properties.getUser());
         dataSource.setPassword(PasswordUtils.decodePassword(properties.getPassword()));
 
-        dataSource.setMinimumIdle(1);
-        dataSource.setMaximumPoolSize(1);
+        Boolean isOneSession = PropertyUtils.getBoolean(Constants.SUPPORT_HIVE_ONE_SESSION, false);
+        dataSource.setMinimumIdle(isOneSession ? 1 : PropertyUtils.getInt(Constants.SPRING_DATASOURCE_MIN_IDLE, 5));
+        dataSource.setMaximumPoolSize(isOneSession ? 1 : PropertyUtils.getInt(Constants.SPRING_DATASOURCE_MAX_ACTIVE, 50));
         dataSource.setConnectionTestQuery(properties.getValidationQuery());
 
         if (properties.getProps() != null) {

dolphinscheduler-spi/src/main/java/org/apache/dolphinscheduler/spi/utils/Constants.java

@@ -118,6 +118,11 @@ public class Constants {
      */
     public static final String KERBEROS = "kerberos";
 
+    /**
+     *  support hive datasource in one session
+     */
+    public static final String SUPPORT_HIVE_ONE_SESSION = "support.hive.oneSession";
+
     /**
      * driver
      */