add calcite config

Author: todd5167

core/src/main/java/com/dtstack/flink/sql/config/CalciteConfig.java

@@ -0,0 +1,34 @@
+/*
+ * 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 com.dtstack.flink.sql.config;
+
+import org.apache.calcite.config.Lex;
+import org.apache.calcite.sql.parser.SqlParser;
+
+public class CalciteConfig {
+
+    public static SqlParser.Config MYSQL_LEX_CONFIG = org.apache.calcite.sql.parser.SqlParser
+            .configBuilder()
+            .setLex(Lex.MYSQL)
+            .build();
+
+
+
+}