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<?php |
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namespace Graze\DataDb\Export\Query; |
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use Graze\DataDb\Helper\RedshiftHelper; |
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use Graze\DataDb\QueryNodeInterface; |
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use Graze\DataFile\Format\FormatAwareInterface; |
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use Graze\DataFile\Helper\Builder\BuilderAwareInterface; |
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use Graze\DataFile\Helper\Builder\BuilderTrait; |
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use Graze\DataFile\Helper\OptionalLoggerTrait; |
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use Graze\DataFile\Node\FileNodeInterface; |
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use InvalidArgumentException; |
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use League\Flysystem\AwsS3v3\AwsS3Adapter; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LogLevel; |
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class RedshiftQueryExporter implements QueryExporterInterface, BuilderAwareInterface, LoggerAwareInterface |
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{ |
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use OptionalLoggerTrait; |
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use BuilderTrait; |
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/** @var FileNodeInterface */ |
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private $file; |
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/** |
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* RedshiftQueryExporter constructor. |
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* |
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* @param FileNodeInterface $file |
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*/ |
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public function __construct(FileNodeInterface $file) |
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{ |
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if (!$this->validateFile($file)) { |
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throw new InvalidArgumentException("The supplied file: $file should be a s3 file"); |
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} |
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$this->file = $file; |
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} |
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/** |
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* @param FileNodeInterface $file |
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* |
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* @return bool |
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*/ |
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private function validateFile(FileNodeInterface $file) |
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{ |
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$filesystem = $file->getFilesystem(); |
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$adapter = $filesystem->getAdapter(); |
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return ($adapter instanceof AwsS3Adapter); |
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} |
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/** |
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* Export a table to somethingMysqlTableExporter |
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* |
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* @param QueryNodeInterface $query |
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* |
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* @return FileNodeInterface |
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*/ |
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public function export(QueryNodeInterface $query) |
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{ |
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$helper = $this->getBuilder()->build(RedshiftHelper::class, $query->getAdapter()->getDialect()); |
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$format = $helper->getDefaultExportFormat(); |
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$this->log(LogLevel::INFO, "Exporting redshift query to file: {file}", ['file' => $this->file]); |
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/** @var RedshiftExportQuery $exportQuery */ |
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$exportQuery = $this->getBuilder()->build(RedshiftExportQuery::class, $query, $this->file, $format); |
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$exportQuery->query(); |
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if ($this->file instanceof FormatAwareInterface) { |
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$this->file->setFormat($format); |
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} |
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return $this->file; |
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} |
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} |
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graze /
data-db
