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SQL Parser and Optimizer

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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 com.hazelcast.org.apache.calcite.sql;

import java.sql.Connection;
import java.sql.DatabaseMetaData;

/**
 * Creates a SqlDialect appropriate
 * for a given database metadata object.
 */
public interface SqlDialectFactory {

  /**
   * Creates a SqlDialect from a DatabaseMetaData.
   *
   * Does not maintain a reference to the DatabaseMetaData -- or, more
   * importantly, to its {@link Connection} -- after this call has
   * returned.
   *
   * @param databaseMetaData used to determine which dialect of SQL to
   *                         generate
   *
   * @throws RuntimeException if there was an error creating the dialect
   */
  SqlDialect create(DatabaseMetaData databaseMetaData);

}