Tartarus0zm commented on code in PR #20252: URL: https://github.com/apache/flink/pull/20252#discussion_r927546446
########## flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlCreateTableAs.java: ########## @@ -0,0 +1,127 @@ +/* + * 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.flink.sql.parser.ddl; + +import org.apache.flink.sql.parser.ExtendedSqlNode; +import org.apache.flink.sql.parser.ddl.constraint.SqlTableConstraint; +import org.apache.flink.sql.parser.error.SqlValidateException; + +import org.apache.calcite.sql.SqlCreate; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.SqlNode; +import org.apache.calcite.sql.SqlOperator; +import org.apache.calcite.sql.SqlSpecialOperator; +import org.apache.calcite.sql.SqlWriter; +import org.apache.calcite.util.ImmutableNullableList; + +import javax.annotation.Nonnull; + +import java.util.List; +import java.util.stream.Collectors; + +/** CREATE TABLE AS SELECT DDL sql call. */ +public class SqlCreateTableAs extends SqlCreate implements ExtendedSqlNode { + + public static final SqlSpecialOperator OPERATOR = + new SqlSpecialOperator("CREATE TABLE AS SELECT", SqlKind.OTHER_DDL); + + private final SqlCreateTable sqlCreateTable; + private final SqlNode asQuery; + + public SqlCreateTableAs(SqlCreateTable sqlCreateTable, SqlNode asQuery) { + super( + OPERATOR, + sqlCreateTable.getParserPosition(), + sqlCreateTable.getReplace(), + sqlCreateTable.isIfNotExists()); + this.sqlCreateTable = sqlCreateTable; + this.asQuery = asQuery; + } + + @Override + public @Nonnull SqlOperator getOperator() { + return OPERATOR; + } + + @Override + public @Nonnull List<SqlNode> getOperandList() { Review Comment: introduce `SqlCreateTableLike` and `SqlCreateTableAs` as subclass, so referring to the recommendations of @beyond1920 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
