001/* 
002 * JKNIV, SQLegance keeping queries maintainable.
003 * 
004 * Copyright (C) 2017, the original author or authors.
005 *
006 * This library is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 2.1 of the License.
010 * 
011 * This library is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 * 
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with this library; if not, write to the Free Software Foundation, Inc., 
018 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
019 */
020package net.sf.jkniv.sqlegance.statement;
021
022/**
023 * Parser the columns names from SQL.
024 * 
025 * @author Alisson Gomes
026 * @since 0.6.0
027 *
028 */
029public interface ColumnParser
030{
031    /**
032     * Extract the column or alias names from SQL.
033     * @param sql statement query language
034     * @return an array with the column or aliases names.
035     */
036    String[] extract(String sql);
037}