[GitHub] [shardingsphere] chakkk309 commented on a diff in pull request #18977: Support parsing `ALTER INDEX TYPE` in Oracle

[GitBox <gi...@apache.org>]

chakkk309 commented on code in PR #18977:
URL: https://github.com/apache/shardingsphere/pull/18977#discussion_r917289533


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shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/oracle/ddl/OracleAlterIndexTypeStatement.java:
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@@ -0,0 +1,29 @@
+/*
+ * 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.shardingsphere.sql.parser.sql.dialect.statement.oracle.ddl;
+
+import lombok.ToString;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
+import org.apache.shardingsphere.sql.parser.sql.dialect.statement.oracle.OracleStatement;
+
+/**
+ * Oracle alter index type statement.
+ */
+@ToString

Review Comment:
   The `@ToString` can override toString() method, but there are no fields in this class. It seems like this annotation is useless here. But I found that almost all SQLStatement class include this `@ToString`, I'm not sure if this has a corresponding design.



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