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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Expression; |
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use Yiisoft\Db\QueryBuilder\QueryBuilderInterface; |
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use function array_intersect_key; |
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use function array_merge; |
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use function preg_quote; |
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use function preg_replace; |
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/** |
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* It's used to build expressions for use in database queries. |
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* |
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* It provides a methods {@see build()} for creating various types of expressions, such as conditions, joins, and |
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* ordering clauses. |
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333 |
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* |
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* These expressions can be used with the query builder to build complex and customizable database queries |
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333 |
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* {@see Expression} class. |
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*/ |
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class ExpressionBuilder implements ExpressionBuilderInterface |
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{ |
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public function __construct(private QueryBuilderInterface|null $queryBuilder = null) |
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{ |
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} |
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public function build(Expression $expression, array &$params = []): string |
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{ |
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$sql = $expression->__toString(); |
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$expressionParams = $expression->getParams(); |
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if (empty($expressionParams)) { |
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return $sql; |
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} |
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if ($this->queryBuilder === null || isset($expressionParams[0])) { |
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$params = array_merge($params, $expressionParams); |
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return $sql; |
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} |
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$sql = $this->appendParams($sql, $expressionParams, $params); |
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return $this->replaceParamExpressions($sql, $expressionParams, $params); |
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} |
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private function appendParams(string $sql, array &$expressionParams, array &$params): string |
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{ |
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$nonUniqueParams = array_intersect_key($expressionParams, $params); |
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$params += $expressionParams; |
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if (empty($nonUniqueParams)) { |
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return $sql; |
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} |
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$patterns = []; |
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$replacements = []; |
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/** @var string $name */ |
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foreach ($nonUniqueParams as $name => $value) { |
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$patterns[] = $this->getPattern($name); |
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$uniqueName = $this->getUniqueName($name, $params); |
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$replacements[] = $uniqueName[0] !== ':' ? ":$uniqueName" : $uniqueName; |
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$params[$uniqueName] = $value; |
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$expressionParams[$uniqueName] = $value; |
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unset($expressionParams[$name]); |
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} |
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return preg_replace($patterns, $replacements, $sql, 1); |
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} |
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private function replaceParamExpressions(string $sql, array $expressionParams, array &$params): string |
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{ |
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$patterns = []; |
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$replacements = []; |
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/** @var string $name */ |
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foreach ($expressionParams as $name => $value) { |
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if (!$value instanceof ExpressionInterface) { |
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continue; |
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} |
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$patterns[] = $this->getPattern($name); |
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/** @psalm-suppress PossiblyNullReference */ |
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$replacements[] = $this->queryBuilder->buildExpression($value, $params); |
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unset($params[$name]); |
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} |
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if (empty($patterns)) { |
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return $sql; |
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} |
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return preg_replace($patterns, $replacements, $sql, 1); |
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} |
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/** @psalm-return non-empty-string */ |
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private function getPattern(string $name): string |
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{ |
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if ($name[0] !== ':') { |
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$name = ":$name"; |
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} |
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return '/' . preg_quote($name, '/') . '\b/'; |
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} |
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private function getUniqueName(string $name, array $params): string |
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{ |
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$uniqueName = $name . '_0'; |
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for ($i = 1; isset($params[$uniqueName]); ++$i) { |
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$uniqueName = $name . '_' . $i; |
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} |
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return $uniqueName; |
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} |
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} |
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yiisoft /
db
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.