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