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update parser_sql

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This commit is contained in:
shreesh arora
2021-05-03 01:06:30 +05:30
parent b7ef2391cc
commit d91def3d84
172 changed files with 8743 additions and 2571 deletions
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148
tools/parser_sql/processors/DropProcessor.php
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@@ -4,105 +4,139 @@
*
* This file implements the processor for the DROP statements.
*
* Copyright (c) 2010-2012, Justin Swanhart
* with contributions by André Rothe <arothe@phosco.info, phosco@gmx.de>
* PHP version 5
*
* LICENSE:
* Copyright (c) 2010-2014 Justin Swanhart and André Rothe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author André Rothe <andre.rothe@phosco.info>
* @copyright 2010-2014 Justin Swanhart and André Rothe
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version SVN: $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
require_once(dirname(__FILE__) . '/../utils/ExpressionToken.php');
require_once(dirname(__FILE__) . '/../utils/ExpressionType.php');
require_once(dirname(__FILE__) . '/AbstractProcessor.php');
namespace PHPSQLParser\processors;
use PHPSQLParser\utils\ExpressionType;
/**
*
* This class processes the DROP statements.
*
* @author arothe
*
*
* @author André Rothe <andre.rothe@phosco.info>
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
*
*/
class DropProcessor extends AbstractProcessor {
// TODO: we should enhance it to get the positions for the IF EXISTS keywords
// look into the CreateProcessor to get an idea.
public function process($tokenList) {
$skip = 0;
$warning = true;
$base_expr = "";
$expr_type = false;
$exists = false;
$base_expr = '';
$objectType = '';
$subTree = array();
$option = false;
$resultList = array();
foreach ($tokenList as $k => $v) {
$token = new ExpressionToken($k, $v);
foreach ($tokenList as $token) {
$base_expr .= $token;
$trim = trim($token);
if ($token->isWhitespaceToken()) {
if ($trim === '') {
continue;
}
if ($skip > 0) {
$skip --;
continue;
}
switch ($token->getUpper()) {
$upper = strtoupper($trim);
switch ($upper) {
case 'VIEW':
case 'SCHEMA':
case 'DATABASE':
case 'TABLE':
$expr_type = strtolower($token->getTrim());
if ($objectType === '') {
$objectType = constant('PHPSQLParser\utils\ExpressionType::' . $upper);
}
$base_expr = '';
break;
case 'INDEX':
if ( $objectType === '' ) {
$objectType = constant( 'PHPSQLParser\utils\ExpressionType::' . $upper );
}
$base_expr = '';
break;
case 'IF':
$warning = false;
$skip = 1;
case 'EXISTS':
$exists = true;
$base_expr = '';
break;
case 'TEMPORARY':
$expr_type = ExpressionType::TEMPORARY_TABLE;
$skip = 1;
$objectType = ExpressionType::TEMPORARY_TABLE;
$base_expr = '';
break;
case 'RESTRICT':
case 'CASCADE':
$option = $token->getUpper();
$option = $upper;
if (!empty($objectList)) {
$subTree[] = array('expr_type' => ExpressionType::EXPRESSION,
'base_expr' => trim(substr($base_expr, 0, -strlen($token))),
'sub_tree' => $objectList);
$objectList = array();
}
$base_expr = '';
break;
case ',':
$resultList[] = array('expr_type' => $expr_type, 'base_expr' => $base_expr);
$base_expr = "";
break;
$last = array_pop($objectList);
$last['delim'] = $trim;
$objectList[] = $last;
continue 2;
default:
$base_expr .= $token->getToken();
$object = array();
$object['expr_type'] = $objectType;
if ($objectType === ExpressionType::TABLE || $objectType === ExpressionType::TEMPORARY_TABLE) {
$object['table'] = $trim;
$object['no_quotes'] = false;
$object['alias'] = false;
}
$object['base_expr'] = $trim;
$object['no_quotes'] = $this->revokeQuotation($trim);
$object['delim'] = false;
$objectList[] = $object;
continue 2;
}
$subTree[] = array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $trim);
}
if ($base_expr !== "") {
$resultList[] = array('expr_type' => $expr_type, 'base_expr' => $base_expr);
if (!empty($objectList)) {
$subTree[] = array('expr_type' => ExpressionType::EXPRESSION, 'base_expr' => trim($base_expr),
'sub_tree' => $objectList);
}
return array('option' => $option, 'warning' => $warning, 'object_list' => $resultList);
return array('expr_type' => $objectType, 'option' => $option, 'if-exists' => $exists, 'sub_tree' => $subTree);
}
}
?>
?>