124 lines
4.5 KiB
PHP
124 lines
4.5 KiB
PHP
<?php
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/**
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* CreateProcessor.php
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*
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* This file implements the processor for the CREATE statements.
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*
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* PHP version 5
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*
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* LICENSE:
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* Copyright (c) 2010-2014 Justin Swanhart and André Rothe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @author André Rothe <andre.rothe@phosco.info>
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* @copyright 2010-2014 Justin Swanhart and André Rothe
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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* @version SVN: $Id$
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*
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*/
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namespace PHPSQLParser\processors;
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use PHPSQLParser\utils\ExpressionType;
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/**
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* This class processes the CREATE statements.
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*
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* @author André Rothe <andre.rothe@phosco.info>
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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*
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*/
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class CreateProcessor extends AbstractProcessor {
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public function process($tokens) {
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$result = $expr = array();
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$base_expr = "";
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foreach ($tokens as $token) {
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$trim = trim($token);
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$base_expr .= $token;
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if ($trim === "") {
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continue;
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}
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$upper = strtoupper($trim);
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switch ($upper) {
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case 'TEMPORARY':
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// CREATE TEMPORARY TABLE
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$result['expr_type'] = ExpressionType::TEMPORARY_TABLE;
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$result['not-exists'] = false;
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'TABLE':
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// CREATE TABLE
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$result['expr_type'] = ExpressionType::TABLE;
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$result['not-exists'] = false;
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'INDEX':
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// CREATE INDEX
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$result['expr_type'] = ExpressionType::INDEX;
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'UNIQUE':
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case 'FULLTEXT':
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case 'SPATIAL':
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// options of CREATE INDEX
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$result['base_expr'] = $result['expr_type'] = false;
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$result['constraint'] = $upper;
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'IF':
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// option of CREATE TABLE
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'NOT':
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// option of CREATE TABLE
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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case 'EXISTS':
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// option of CREATE TABLE
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$result['not-exists'] = true;
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$expr[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
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break;
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default:
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break;
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}
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}
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$result['base_expr'] = trim($base_expr);
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$result['sub_tree'] = $expr;
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return $result;
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}
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}
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?>
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