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<?php |
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/* |
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* This file is part of the Pomm's Foundation package. |
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* |
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* (c) 2014 - 2015 Grégoire HUBERT <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace PommProject\Foundation\QueryManager; |
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/** |
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* QueryParameterParserTrait |
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* |
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* Trait that makes query managers to parse, expand anc convert query |
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* parameters. |
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* |
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* @package Foundation |
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* @copyright 2014 - 2015 Grégoire HUBERT |
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* @author Grégoire HUBERT |
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* @license X11 {@link http://opensource.org/licenses/mit-license.php} |
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*/ |
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trait QueryParameterParserTrait |
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{ |
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abstract protected function getSession(); |
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/** |
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* unorderParameters |
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* |
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* Transform an ordered parameters list with $1, $2 to $* parameters. |
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* |
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* @access public |
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* @param string $string |
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* @return string |
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*/ |
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public function unorderParameters($string) |
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{ |
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return preg_replace('/\$[0-9]+/', '$*', $string); |
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} |
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/** |
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* orderParameters |
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* |
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* Transform an unordered parameters list $* to ordered $1, $2 parameters. |
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* |
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* @access public |
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* @param string $string |
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* @return string |
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*/ |
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public function orderParameters($string) |
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{ |
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return preg_replace_callback( |
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'/\$\*/', |
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function () { |
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static $nb = 0; |
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return sprintf("$%d", ++$nb); |
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}, |
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$string |
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); |
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} |
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/** |
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* getParametersType |
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* |
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* Return an array of the type specified with the parameters if any. It is |
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* possible to give the type when passing parameters like « SELECT … WHERE |
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* field = $*::timestamptz ». In this case, PostgreSQL will assume the |
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* given parameter is a timestamp. Pomm uses these type hints to convert |
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* PHP representation to PostgreSQL data value. |
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* |
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* @access public |
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* @param mixed $string SQL query. |
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* @return array |
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*/ |
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public function getParametersType($string) |
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{ |
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preg_match_all('/\$\*(?:::([\w\."]+(?:\[\])?))?/', $string, $matches); |
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return str_replace('"', '', $matches[1]); |
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} |
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} |
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pomm-project /
Foundation
