/*
 * 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.sql;

import org.apache.calcite.sql.parser.SqlParserPos;

/**
 * A <code>SqlColumnAttributeCaseSpecific</code> is the column CASESPECIFIC
 * attribute.
 */
public class SqlColumnAttributeCaseSpecific extends SqlColumnAttribute {

  private final boolean isCaseSpecific;

  /**
   * Creates a {@code SqlColumnAttributeCaseSpecific}.
   *
   * @param pos  Parser position, must not be null
   * @param isCaseSpecific  Whether or not the column is case specific
   */
  public SqlColumnAttributeCaseSpecific(SqlParserPos pos, boolean isCaseSpecific) {
    super(pos);
    this.isCaseSpecific = isCaseSpecific;
  }

  @Override public void unparse(SqlWriter writer, int leftPrec, int rightPrec) {
    if (!isCaseSpecific) {
      writer.keyword("NOT");
    }
    writer.keyword("CASESPECIFIC");
  }
}

/*
 * 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.sql;

import org.apache.calcite.sql.parser.SqlParserPos;

/**
 * A <code>SqlColumnAttributeCaseSpecific</code> is the column CASESPECIFIC
 * attribute.
 */
public class SqlColumnAttributeCaseSpecific extends SqlColumnAttribute {

  public final boolean isCaseSpecific;

  /**
   * Creates a {@code SqlColumnAttributeCaseSpecific}.
   *
   * @param pos  Parser position, must not be null
   * @param isCaseSpecific  Whether or not the column is case specific
   */
  public SqlColumnAttributeCaseSpecific(SqlParserPos pos, boolean isCaseSpecific) {
    super(pos);
    this.isCaseSpecific = isCaseSpecific;
  }

  @Override public void unparse(SqlWriter writer, int leftPrec, int rightPrec) {
    if (!isCaseSpecific) {
      writer.keyword("NOT");
    }
    writer.keyword("CASESPECIFIC");
  }
}

Make isCaseSpecific field public (#353)