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<?php |
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namespace Padosoft\SuperCacheInvalidate\Console; |
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use Illuminate\Console\Command; |
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use Illuminate\Support\Facades\DB; |
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class PruneCacheInvalidationDataCommand extends Command |
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{ |
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/** |
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* The name and signature of the console command. |
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* |
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* @var string |
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*/ |
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protected $signature = 'supercache:prune-invalidation-data |
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{--months=1 : The number of months to retain data}'; |
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/** |
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* The console command description. |
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* |
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* @var string |
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*/ |
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protected $description = 'Prune old cache invalidation data by dropping partitions'; |
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/** |
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* Prune partitions in a table older than the retention partition key. |
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* |
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* @param string $tableName The name of the table |
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* @param int $retentionPartitionKey The partition key cutoff |
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*/ |
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protected function pruneTable(string $tableName, int $retentionPartitionKey, ?int $minPartitionValueToExclude = 0): void |
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{ |
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// Fetch partition names |
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$partitions = $this->getPartitionsFromDb($tableName, $retentionPartitionKey, $minPartitionValueToExclude); |
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if (empty($partitions)) { |
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$this->info("No partitions to prune for table {$tableName}."); |
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return; |
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} |
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// Build DROP PARTITION statement |
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$partitionNames = implode(', ', array_map(function ($partition) { |
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return $partition->PARTITION_NAME; |
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}, $partitions)); |
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DB::statement("ALTER TABLE `{$tableName}` DROP PARTITION {$partitionNames}"); |
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$this->info("Pruned partitions: {$partitionNames} from table {$tableName}."); |
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} |
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/** |
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* Execute the console command. |
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*/ |
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public function handle(): void |
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{ |
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$months = (int) $this->option('months'); |
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$retentionDate = now()->subMonths($months); |
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// Prune tables |
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$this->pruneTable('cache_invalidation_timestamps', ($retentionDate->year * 100 + $retentionDate->week) + 1); |
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$this->pruneTable('cache_invalidation_event_associations', ($retentionDate->year * 100 + $retentionDate->week) + 1); |
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$shards = config('super_cache_invalidate.total_shards', 10); |
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$priorities = [0, 1]; |
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$minPartitionValueToExclude = 0; |
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foreach ($priorities as $priority) { |
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for ($shard = 0; $shard < $shards; $shard++) { |
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$minPartitionValueToExclude = ($priority * $shards) + $shard + 1; |
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} |
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} |
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$arrPartitionValues = []; |
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foreach ($priorities as $priority) { |
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for ($shard = 0; $shard < $shards; $shard++) { |
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$arrPartitionValues[] = (($retentionDate->year * 10000) + ($retentionDate->week * 100) + ($priority * $shards) + $shard) + 1; |
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} |
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} |
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$maxPartitionValueToInclude = max($arrPartitionValues); |
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$this->pruneTable('cache_invalidation_events', $maxPartitionValueToInclude, $minPartitionValueToExclude); |
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$this->info('Old cache invalidation data has been pruned.'); |
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} |
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/** |
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* @param string $tableName |
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* @param int $maxPartitionValueToInclude |
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* @return array |
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*/ |
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protected function getPartitionsFromDb(string $tableName, int $maxPartitionValueToInclude, $minPartitionValueToExclude): array |
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{ |
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$partitions = DB::select(' |
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SELECT PARTITION_NAME, PARTITION_DESCRIPTION |
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FROM INFORMATION_SCHEMA.PARTITIONS |
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WHERE TABLE_SCHEMA = DATABASE() |
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AND TABLE_NAME = ? |
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AND PARTITION_NAME IS NOT NULL |
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AND PARTITION_DESCRIPTION < ? AND PARTITION_DESCRIPTION > ? |
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', [$tableName, $maxPartitionValueToInclude, $minPartitionValueToExclude]); |
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return $partitions; |
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} |
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} |
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padosoft /
laravel-super-cache-invalidate
