fix: fixPackageError (#1152)

dlink-executor/src/main/java/com/dlink/interceptor/FlinkInterceptor.java

@@ -34,6 +34,8 @@ import org.apache.flink.table.api.TableResult;
  * @since 2021/6/11 22:17
  */
 public class FlinkInterceptor {
+    private FlinkInterceptor() {
+    }
 
     public static String pretreatStatement(Executor executor, String statement) {
         statement = SqlUtil.removeNote(statement);

dlink-executor/src/test/java/com.dlink.executor/FlinkInterceptorTest.java → dlink-executor/src/test/java/com/dlink/interceptor/FlinkInterceptorTest.java

@@ -17,10 +17,9 @@
  *
  */
 
-package com.dlink.core;
+package com.dlink.interceptor;
 
 import com.dlink.executor.Executor;
-import com.dlink.interceptor.FlinkInterceptor;
 
 import org.junit.Assert;
 import org.junit.Test;
@@ -39,6 +38,6 @@ public class FlinkInterceptorTest {
             + "nullif2:=NULLIF(0, 0) as val$null;"
             + "select ${nullif1},${nullif2}";
         String pretreatStatement = FlinkInterceptor.pretreatStatement(Executor.build(), statement);
-        Assert.assertEquals("select NULLIF(1, 0) as val,NULLIF(0, 0) as val$null",pretreatStatement);
+        Assert.assertEquals("select NULLIF(1, 0) as val,NULLIF(0, 0) as val$null", pretreatStatement);
     }
 }