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<?php |
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/** |
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* Created by PhpStorm. |
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* User: hugh.li |
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* Date: 2021/2/22 |
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* Time: 11:18 |
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*/ |
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namespace HughCube\Laravel\OTS\Commands; |
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use Aliyun\OTS\Consts\DirectionConst; |
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use Aliyun\OTS\Consts\OperationTypeConst; |
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use Aliyun\OTS\Consts\PrimaryKeyTypeConst; |
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use Aliyun\OTS\Consts\RowExistenceExpectationConst; |
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use Aliyun\OTS\OTSClientException; |
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use Aliyun\OTS\OTSServerException; |
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use Carbon\Carbon; |
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use HughCube\Laravel\OTS\Connection; |
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use Illuminate\Console\Command; |
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use Illuminate\Console\Scheduling\Schedule; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Facades\DB; |
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class ClearTableCommand extends Command |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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protected $signature = 'ots:clear-table |
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{--ots=ots : ots connection. } |
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{--name= : ots table name. }'; |
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/** |
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* @inheritdoc |
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*/ |
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protected $description = 'Clear the ots table data.'; |
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/** |
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* @param Schedule $schedule |
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* @return void |
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* @throws OTSClientException |
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* @throws OTSServerException |
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*/ |
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public function handle(Schedule $schedule) |
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{ |
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$tableName = $this->getTable(); |
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try { |
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$table = $this->getOts()->describeTable(['table_name' => $tableName]); |
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} catch (OTSServerException $exception) { |
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$this->error(sprintf("RequestId: %s", $exception->getRequestId())); |
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$this->error(sprintf("%s: %s", $exception->getOTSErrorCode(), $exception->getOTSErrorMessage())); |
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return; |
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} |
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if (!$this->confirm(sprintf('Are you sure you want to clear the %s table?', $tableName))) { |
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return; |
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} |
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/** @var array $pks 表主键 */ |
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$pks = Arr::get($table, 'table_meta.primary_key_schema'); |
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/** 起始主键 */ |
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list($startPk, $endPk) = $this->parseRangePk($pks); |
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$rowCount = 0; |
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while (!empty ($startPk)) { |
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$request = [ |
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'table_name' => $tableName, 'max_versions' => 1, |
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'direction' => DirectionConst::CONST_FORWARD, |
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'inclusive_start_primary_key' => $startPk, |
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'exclusive_end_primary_key' => $endPk, |
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'limit' => 200, |
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]; |
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$response = $this->getOts()->getRange($request); |
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/** 删除查询出来的数据 */ |
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if (!empty($rows = $this->parseDeleteRows($response))) { |
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$this->getOts()->batchWriteRow([ |
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'tables' => [['table_name' => $tableName, 'rows' => $rows]] |
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]); |
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} |
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/** 下一次轮询的key */ |
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$startPk = $response['next_start_primary_key']; |
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$rowCount += count($rows); |
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$this->comment(sprintf('%s Delete %s rows from the %s table', |
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Carbon::now()->format('Y-m-d H:i:s.u'), count($rows), $tableName |
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)); |
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} |
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$this->info(sprintf('%s The %s table has been cleared and %s data items have been deleted', |
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Carbon::now()->format('Y-m-d H:i:s.u'), $tableName, $rowCount |
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)); |
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} |
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protected function parseRangePk($pks): array |
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{ |
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/** 起始主键 */ |
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$endPk = $startPk = []; |
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foreach ($pks as $pk) { |
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$startPk[] = [$pk[0], null, PrimaryKeyTypeConst::CONST_INF_MIN]; |
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$endPk[] = [$pk[0], null, PrimaryKeyTypeConst::CONST_INF_MAX]; |
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} |
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return [$startPk, $endPk]; |
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} |
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protected function parseDeleteRows($response): array |
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{ |
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$rows = []; |
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foreach ($response['rows'] as $row) { |
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$rows[] = [ |
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'operation_type' => OperationTypeConst::CONST_DELETE, |
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'condition' => RowExistenceExpectationConst::CONST_IGNORE, |
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'primary_key' => $row['primary_key'], |
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]; |
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} |
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return $rows; |
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} |
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/** |
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* @return Connection |
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*/ |
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public function getOts(): Connection |
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{ |
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return DB::connection($this->option('ots')); |
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} |
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/** |
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* @return string |
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* @throws OTSClientException |
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* @throws OTSServerException |
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*/ |
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protected function getTable(): string |
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{ |
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$name = $this->option('name'); |
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if (!empty($name)) { |
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return $name; |
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} |
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$tables = $this->getOts()->listTable([]); |
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return $this->choice('You want to erase the data from that table?', $tables); |
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} |
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} |
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hughcube-php /
laravel-ots
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