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/**
 * 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.metamodel.jdbc;

import java.util.HashSet;
import java.util.Set;

class SqlKeywords {

	private static final Set KEYWORDS;

	static {
		KEYWORDS = new HashSet();
		KEYWORDS.add("SELECT");
		KEYWORDS.add("DISTINCT");
		KEYWORDS.add("AS");
		KEYWORDS.add("COUNT");
		KEYWORDS.add("SUM");
		KEYWORDS.add("MIN");
		KEYWORDS.add("MAX");
		KEYWORDS.add("FROM");
		KEYWORDS.add("WHERE");
		KEYWORDS.add("LIKE");
		KEYWORDS.add("IN");
		KEYWORDS.add("GROUP");
		KEYWORDS.add("BY");
		KEYWORDS.add("HAVING");
		KEYWORDS.add("ORDER");
	}

	public static boolean isKeyword(String str) {
		str = str.toUpperCase();
		return KEYWORDS.contains(str);
	}
}