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<?php |
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/** |
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* This file is part of Cycle ORM package. |
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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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declare(strict_types=1); |
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namespace Cycle\Database\Driver\Postgres\Injection; |
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use Cycle\Database\Injection\JsonExpression; |
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abstract class PostgresJsonExpression extends JsonExpression |
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{ |
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/** |
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* @param non-empty-string $statement |
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* |
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* @return non-empty-string |
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*/ |
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protected function getField(string $statement): string |
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{ |
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$path = \explode('->', $statement); |
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return $this->quoter->quote(\array_shift($path)); |
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} |
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/** |
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* @param non-empty-string $statement |
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* |
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* @return array<non-empty-string> |
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*/ |
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protected function getWrappedPath(string $statement, string $quote = "'"): array |
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{ |
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$path = \explode('->', $statement); |
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\array_shift($path); // remove field name (first element) |
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$result = []; |
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foreach ($path as $pathAttribute) { |
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$parsedAttributes = $this->parseJsonPathArrayKeys($pathAttribute); |
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foreach ($parsedAttributes as $attribute) { |
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$result[] = \filter_var($attribute, FILTER_VALIDATE_INT) !== false |
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? $attribute |
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: $quote . $attribute . $quote; |
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} |
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} |
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return $result; |
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} |
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/** |
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* @param non-empty-string $attribute |
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* |
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* @return array<non-empty-string> |
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*/ |
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private function parseJsonPathArrayKeys(string $attribute): array |
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{ |
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if (\preg_match('/(\[[^\]]+\])+$/', $attribute, $parts)) { |
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$key = \substr($attribute, 0, \strpos($attribute, $parts[0])); |
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\preg_match_all('/\[([^\]]+)\]/', $parts[0], $matches); |
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$keys = $matches[1]; |
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$cleanKeys = \array_values(\array_filter($keys, static fn ($key) => $key !== '')); |
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return \array_merge([$key], $cleanKeys); |
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} |
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return [$attribute]; |
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} |
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} |
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cycle /
database
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