liyubin117 commented on code in PR #24555: URL: https://github.com/apache/flink/pull/24555#discussion_r1549266972
########## flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/dql/SqlShowCreateCatalog.java: ########## @@ -0,0 +1,68 @@ +/* + * 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.dql; + +import org.apache.calcite.sql.SqlIdentifier; +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.sql.parser.SqlParserPos; + +import java.util.Collections; +import java.util.List; + +/** SHOW CREATE CATALOG sql call. */ +public class SqlShowCreateCatalog extends SqlShowCreate { + + public static final SqlSpecialOperator OPERATOR = + new SqlSpecialOperator("SHOW CREATE CATALOG", SqlKind.OTHER_DDL); + + protected final SqlIdentifier catalogName; + + public SqlShowCreateCatalog(SqlParserPos pos, SqlIdentifier catalogName) { + super(pos, catalogName); + this.catalogName = catalogName; + } + + public SqlIdentifier getCatalogName() { + return catalogName; + } + + @Override + public SqlOperator getOperator() { + return OPERATOR; + } + + @Override + public List<SqlNode> getOperandList() { + return Collections.singletonList(sqlIdentifier); + } + + @Override + public void unparse(SqlWriter writer, int leftPrec, int rightPrec) { + writer.keyword("SHOW CREATE CATALOG"); + sqlIdentifier.unparse(writer, leftPrec, rightPrec); + } + + public String catalogName() { + return catalogName.getSimple(); Review Comment: Do you mean replace the instance name? I found that `SqlCreateCatalog` also use `catalogName`, WDYT? ``` public class SqlCreateCatalog extends SqlCreate { public static final SqlSpecialOperator OPERATOR = new SqlSpecialOperator("CREATE CATALOG", SqlKind.OTHER_DDL); private final SqlIdentifier catalogName; private final SqlNodeList propertyList; ``` -- 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