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<?php |
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namespace Graze\DataDb\Export\Table; |
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use Graze\DataDb\Export\Query\QueryExporter; |
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use Graze\DataDb\Helper\MysqlHelper; |
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use Graze\DataDb\QueryNode; |
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use Graze\DataDb\SourceTableNodeInterface; |
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use Graze\DataDb\TableNodeInterface; |
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use Graze\DataFile\Format\FormatAwareInterface; |
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use Graze\DataFile\Format\FormatInterface; |
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use Graze\DataFile\Helper\Builder\BuilderAwareInterface; |
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use Graze\DataFile\Helper\FileHelper; |
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use Graze\DataFile\Helper\OptionalLoggerTrait; |
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use Graze\DataFile\Helper\Process\ProcessTrait; |
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use Graze\DataFile\Modify\ReFormat; |
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use Graze\DataFile\Node\FileNodeInterface; |
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use Graze\DataFile\Node\LocalFileNodeInterface; |
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use InvalidArgumentException; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LogLevel; |
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class MysqlTableExporter implements TableExporterInterface, BuilderAwareInterface, LoggerAwareInterface |
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{ |
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use OptionalLoggerTrait; |
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use ProcessTrait; |
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use FileHelper; |
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/** @var FileNodeInterface */ |
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private $file; |
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/** @var FormatInterface */ |
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private $format; |
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/** @var string */ |
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private $host; |
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/** @var int */ |
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private $port; |
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/** @var string */ |
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private $user; |
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/** @var string */ |
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private $pass; |
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/** |
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* MysqlTableExporter constructor. |
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* |
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* @param string $host |
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* @param int $port |
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* @param string $user |
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* @param string $pass |
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* @param FileNodeInterface $file |
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* @param FormatInterface $format |
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*/ |
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public function __construct( |
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$host, |
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$port, |
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$user, |
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$pass, |
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FileNodeInterface $file = null, |
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FormatInterface $format = null |
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) { |
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$this->host = $host; |
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$this->port = $port; |
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$this->user = $user; |
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$this->pass = $pass; |
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$this->file = $file; |
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$this->format = $format; |
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if (!is_null($file) |
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&& is_null($this->format) |
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&& $file instanceof FormatAwareInterface |
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) { |
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$this->format = $file->getFormat(); |
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} |
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if ($this->file) { |
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if ($this->file->exists()) { |
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throw new InvalidArgumentException("The provided file: {$this->file} already exists"); |
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} |
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if (!$this->file instanceof LocalFileNodeInterface) { |
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throw new InvalidArgumentException("The provided file: {$this->file} is not a local file"); |
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} |
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} |
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} |
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/** |
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* @param TableNodeInterface $table |
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* |
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* @return FileNodeInterface |
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*/ |
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public function export(TableNodeInterface $table) |
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{ |
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if (is_null($this->file)) { |
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$this->file = $this->getTemporaryFile(); |
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} |
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$targetFormat = $this->format; |
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$helper = $this->getBuilder()->build(MysqlHelper::class); |
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if (is_null($this->format) |
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|| !$helper->isValidExportFormat($this->format) |
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) { |
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$this->format = $helper->getDefaultExportFormat(); |
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} |
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$targetFormat = $targetFormat ?: $this->format; |
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$this->log(LogLevel::INFO, "Exporting mysql table: {table} to file: {file}", [ |
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'table' => $table, |
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'file' => $this->file, |
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]); |
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if (count($table->getColumns()) > 0) { |
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$exporter = $this->getBuilder()->build(QueryExporter::class, $this->file, $targetFormat); |
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list ($sql, $bind) = $table->getAdapter()->getDialect()->getSelectSyntax($table); |
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return $exporter->export($this->getBuilder()->build(QueryNode::class, $table->getAdapter(), $sql, $bind)); |
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} |
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if ($table instanceof SourceTableNodeInterface) { |
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$where = ($table->getWhere() ? "--where=" . escapeshellarg($table->getWhere()) . " " : ''); |
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} else { |
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$where = ''; |
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} |
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$cmd = "set -e; set -o pipefail; " . |
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"mysqldump -h{$this->host} -u{$this->user} -p{$this->pass} -P{$this->port} " . |
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"--no-create-info --compact --compress --quick --skip-extended-insert --single-transaction " . |
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"--skip-tz-utc --order-by-primary " . |
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$where . |
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"{$table->getSchema()} {$table->getTable()} " . |
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"| grep '^INSERT INTO' " . |
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"| perl -p -e 's/^INSERT INTO `[^`]+` VALUES \\((.+)\\)\\;\\s?$/\\1\\n/' " . |
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"| perl -p -e 's/(?<!\\\\)((?:\\\\{2})*)\\\\n/\\1\\\\\\n/g;s/(?<!\\\\)((?:\\\\{2})*)\\\\r/\\1\\\\\\r/g' " . // convert fake new lines into actual new lines again |
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">> " . escapeshellarg($this->file->getPath()); |
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$this->log(LogLevel::DEBUG, "Executing Command:\n{cmd}", ['cmd' => $cmd]); |
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// add bash -c here to allow set -e and set -o pipefail to handle when a mid pipe process fails |
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$cmd = sprintf("bash -c %s", escapeshellarg($cmd)); |
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$process = $this->getProcess($cmd); |
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$process->setTimeout(null); // no timeout |
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$process->mustRun(); |
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if ($targetFormat !== $this->format) { |
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/** @var ReFormat $reFormat */ |
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$reFormat = $this->getBuilder()->build(ReFormat::class); |
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return $reFormat->reFormat($this->file, $targetFormat, null, $this->format, ['keepOldFile' => false]); |
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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
