<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\db\conditions; use yii\db\ExpressionBuilderInterface; use yii\db\ExpressionBuilderTrait; use yii\db\ExpressionInterface; use yii\db\Query; use yii\helpers\ArrayHelper; /** * Class HashConditionBuilder builds objects of [[HashCondition]] * * @author Dmytro Naumenko <d.naumenko.a@gmail.com> * @since 2.0.14 */ class HashConditionBuilder implements ExpressionBuilderInterface { use ExpressionBuilderTrait; /** * Method builds the raw SQL from the $expression that will not be additionally * escaped or quoted. * * @param ExpressionInterface|HashCondition $expression the expression to be built. * @param array $params the binding parameters. * @return string the raw SQL that will not be additionally escaped or quoted. */ public function build(ExpressionInterface $expression, array &$params = []) { $hash = $expression->getHash(); $parts = []; foreach ($hash as $column => $value) { if (ArrayHelper::isTraversable($value) || $value instanceof Query) { // IN condition $parts[] = $this->queryBuilder->buildCondition(new InCondition($column, 'IN', $value), $params); } else { if (strpos($column, '(') === false) { $column = $this->queryBuilder->db->quoteColumnName($column); } if ($value === null) { $parts[] = "$column IS NULL"; } elseif ($value instanceof ExpressionInterface) { $parts[] = "$column=" . $this->queryBuilder->buildExpression($value, $params); } else { $phName = $this->queryBuilder->bindParam($value, $params); $parts[] = "$column=$phName"; } } } return count($parts) === 1 ? $parts[0] : '(' . implode(') AND (', $parts) . ')'; } }