/*
 * 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.calcite.avatica.util;

/** Policy for converting case of identifiers before storing them.
 *
 * <p>A database often has policies for quoted versus unquoted identifiers.
 * For example, Oracle converts unquoted identifiers to upper-case, but
 * quoted identifiers are unchanged.</p> */
public enum Casing {
  /** The case of identifiers is not changed. */
  UNCHANGED,

  /** Identifiers are converted to upper-case. */
  TO_UPPER,

  /** Identifiers are converted to lower-case. */
  TO_LOWER
}

// End Casing.java