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<?php |
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/** |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup Database |
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*/ |
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/** |
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* @ingroup Database |
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*/ |
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class DBQueryError extends DBExpectedError { |
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/** @var string */ |
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public $error; |
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/** @var integer */ |
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public $errno; |
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/** @var string */ |
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public $sql; |
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/** @var string */ |
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public $fname; |
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/** |
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* @param IDatabase $db |
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* @param string $error |
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* @param int|string $errno |
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* @param string $sql |
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* @param string $fname |
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*/ |
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function __construct( IDatabase $db, $error, $errno, $sql, $fname ) { |
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if ( $db instanceof Database && $db->wasConnectionError( $errno ) ) { |
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$message = "A connection error occured. \n" . |
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"Query: $sql\n" . |
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"Function: $fname\n" . |
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"Error: $errno $error\n"; |
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} else { |
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$message = "A database query error has occurred. Did you forget to run " . |
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"your application's database schema updater after upgrading? \n" . |
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"Query: $sql\n" . |
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"Function: $fname\n" . |
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"Error: $errno $error\n"; |
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} |
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parent::__construct( $db, $message ); |
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$this->error = $error; |
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$this->errno = $errno; |
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$this->sql = $sql; |
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$this->fname = $fname; |
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} |
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} |
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Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountIdthat can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theidproperty of an instance of theAccountclass. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.