diff --git a/wayang-api/wayang-api-sql/src/main/java/org/apache/wayang/api/sql/calcite/converter/functions/FilterPredicateImpl.java b/wayang-api/wayang-api-sql/src/main/java/org/apache/wayang/api/sql/calcite/converter/functions/FilterPredicateImpl.java
index 17409cb3e..65a7d2af7 100644
--- a/wayang-api/wayang-api-sql/src/main/java/org/apache/wayang/api/sql/calcite/converter/functions/FilterPredicateImpl.java
+++ b/wayang-api/wayang-api-sql/src/main/java/org/apache/wayang/api/sql/calcite/converter/functions/FilterPredicateImpl.java
@@ -102,7 +102,8 @@ private static Object sqlCast(Object input, SqlTypeName type){
          * @return true if {@code s1} like {@code s2}
          */
         private static boolean like(final String s1, final String s2) {
-            return new SqlFunctions.LikeFunction().like(s1, s2);
+            return s1 == null || s2 == null ? false : new SqlFunctions.LikeFunction().like(s1, s2);
+
         }
 
         /**
diff --git a/wayang-benchmark/src/main/java/org/apache/wayang/apps/job/JOBQ1WithSqlApi.java b/wayang-benchmark/src/main/java/org/apache/wayang/apps/job/JOBQ1WithSqlApi.java
new file mode 100644
index 000000000..878ec4242
--- /dev/null
+++ b/wayang-benchmark/src/main/java/org/apache/wayang/apps/job/JOBQ1WithSqlApi.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.wayang.apps.job;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.apache.wayang.api.sql.context.SqlContext;
+import org.apache.wayang.core.api.Configuration;
+import org.apache.wayang.java.Java;
+import org.apache.wayang.postgres.Postgres;
+import org.apache.wayang.spark.Spark;
+import org.apache.wayang.basic.data.Record;
+
+/**
+ * Runner for IMDB JO-benchmark query 1. 
+ * Host the DB on 5432
+ * 
+ * ./bin/wayang-submit org.apache.wayang.apps.job.SqlApiExample
+ */
+public class JOBQ1WithSqlApi {
+    public static void main(final String[] args) throws Exception {
+        final Configuration configuration = new Configuration();
+
+        final String calciteModel = "{\n" + "    \"version\": \"1.0\",\n" + "    \"defaultSchema\": \"wayang\",\n"
+                + "    \"schemas\": [\n" + "        {\n" + "            \"name\": \"postgres\",\n"
+                + "            \"type\": \"custom\",\n"
+                + "            \"factory\": \"org.apache.wayang.api.sql.calcite.jdbc.JdbcSchema$Factory\",\n"
+                + "            \"operand\": {\n" + "                \"jdbcDriver\": \"org.postgresql.Driver\",\n"
+                + "                \"jdbcUrl\": \"jdbc:postgresql://job:5432/job\",\n"
+                + "                \"jdbcUser\": \"postgres\",\n" + "                \"jdbcPassword\": \"postgres\"\n"
+                + "            }\n" + "        }\n" + "    ]\n" + "}";
+
+        configuration.setProperty("org.apache.calcite.sql.parser.parserTracing", "true");
+        configuration.setProperty("wayang.calcite.model", calciteModel);
+        configuration.setProperty("wayang.postgres.jdbc.url", "jdbc:postgresql://job:5432/job");
+        configuration.setProperty("wayang.postgres.jdbc.user", "postgres");
+        configuration.setProperty("wayang.postgres.jdbc.password", "postgres");
+
+        final SqlContext sqlContext = new SqlContext(configuration, List.of(Java.basicPlugin(), Postgres.plugin(), Spark.basicPlugin()));
+
+        final String query = 
+                        "SELECT\r\n" + 
+                        "    MIN(mc.note) AS production_note,\r\n" + 
+                        "    MIN(t.title) AS movie_title,\r\n" + 
+                        "    MIN(t.production_year) AS movie_year\r\n" + 
+                        "FROM\r\n" + 
+                        "    postgres.company_type AS ct\r\n" + 
+                        "    INNER JOIN postgres.movie_companies AS mc ON ct.id = mc.company_type_id\r\n" + 
+                        "    INNER JOIN postgres.title AS t ON t.id = mc.movie_id\r\n" + 
+                        "    INNER JOIN postgres.movie_info_idx AS mi_idx ON t.id = mi_idx.movie_id\r\n" + 
+                        "    INNER JOIN postgres.info_type AS it ON it.id = mi_idx.info_type_id\r\n" + 
+                        "WHERE ct.kind = 'production companies'\r\n" + 
+                        "    AND it.info = 'top 250 rank'\r\n" + 
+                        "    AND mc.note NOT LIKE '%(as Metro-Goldwyn-Mayer Pictures)%'\r\n" + 
+                        "    AND (mc.note LIKE '%(co-production)%' OR mc.note LIKE '%(presents)%')\r\n" + 
+                        "    AND mc.movie_id = mi_idx.movie_id\r\n" + 
+                        "";
+        
+        final Collection<Record> result = sqlContext.executeSql(query);
+    }
+}