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<?php |
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/** |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Repo2 |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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namespace Repo2\QueryBuilder\Expression; |
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use Repo2\QueryBuilder\DriverInterface; |
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use Repo2\QueryBuilder\Expression\Reference; |
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use Repo2\QueryBuilder\Exception\CompileException; |
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class AssignIncrement extends Assign |
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{ |
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/** |
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* @param Reference $ref |
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* @param integer $value |
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* @throws CompileException |
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*/ |
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public function __construct(Reference $ref, $value) |
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{ |
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if (!is_numeric($value)) { |
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throw new CompileException( |
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sprintf( |
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'The value must be a numeric for increment assignment. Given "%s".', |
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gettype($value) |
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) |
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); |
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} |
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parent::__construct($ref, $value); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function compile(DriverInterface $driver) |
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{ |
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$ref = $this->ref->compile($driver); |
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return $ref . ' = ' . $ref . ' ' . $this->getSign() . ' ' . $driver->escapeValue(abs($this->value)); |
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} |
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/** |
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* @return string |
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*/ |
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private function getSign() |
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{ |
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if ($this->value < 0) { |
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return '-'; |
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} |
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return '+'; |
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} |
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} |
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Repo2 /
query-builder
