[Plugin][Task]Fix Sql Task NPE (#6290)

dolphinscheduler-task-plugin/dolphinscheduler-task-sql/src/main/java/org/apache/dolphinscheduler/plugin/task/sql/SqlTask.java

@@ -17,7 +17,7 @@
 
 package org.apache.dolphinscheduler.plugin.task.sql;
 
-import org.apache.dolphinscheduler.plugin.task.api.AbstractYarnTask;
+import org.apache.dolphinscheduler.plugin.task.api.AbstractTaskExecutor;
 import org.apache.dolphinscheduler.plugin.task.api.TaskException;
 import org.apache.dolphinscheduler.plugin.task.datasource.BaseConnectionParam;
 import org.apache.dolphinscheduler.plugin.task.datasource.DatasourceUtil;
@@ -59,7 +59,7 @@ import org.slf4j.Logger;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 
-public class SqlTask extends AbstractYarnTask {
+public class SqlTask extends AbstractTaskExecutor {
 
     /**
      * taskExecutionContext
@@ -99,17 +99,7 @@ public class SqlTask extends AbstractYarnTask {
 
     @Override
     public AbstractParameters getParameters() {
-        return null;
-    }
-
-    @Override
-    protected String buildCommand() {
-        return null;
-    }
-
-    @Override
-    protected void setMainJarName() {
-
+        return sqlParameters;
     }
 
     @Override