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<?php | |
final class BigIdSingleStreamStrategy implements PersistenceStrategy, HasQueryHint | |
{ | |
/** | |
* @param string $tableName | |
* @return string[] | |
*/ | |
public function createSchema(string $tableName): array | |
{ | |
$statement = <<<EOT | |
CREATE TABLE `$tableName` ( | |
`no` BIGINT(20) NOT NULL AUTO_INCREMENT, | |
`event_id` CHAR(36) COLLATE utf8_bin NOT NULL, | |
`event_name` VARCHAR(100) COLLATE utf8_bin NOT NULL, | |
`payload` JSON NOT NULL, | |
`metadata` JSON NOT NULL, | |
`created_at` DATETIME(6) NOT NULL, | |
`aggregate_version` INT(11) UNSIGNED GENERATED ALWAYS AS (JSON_EXTRACT(metadata, '$._aggregate_version')) STORED NOT NULL, | |
`aggregate_id` VARCHAR(50) CHARACTER SET utf8 COLLATE utf8_bin GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(metadata, '$._aggregate_id'))) STORED NOT NULL, | |
`aggregate_type` VARCHAR(200) GENERATED ALWAYS AS (JSON_UNQUOTE(JSON_EXTRACT(metadata, '$._aggregate_type'))) STORED NOT NULL, | |
PRIMARY KEY (`no`), | |
UNIQUE KEY `ix_event_id` (`event_id`), | |
UNIQUE KEY `ix_unique_event` (`aggregate_type`, `aggregate_id`, `aggregate_version`), | |
KEY `ix_query_aggregate` (`aggregate_type`,`aggregate_id`,`no`) | |
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin; | |
EOT; | |
return [$statement]; | |
} | |
public function columnNames(): array | |
{ | |
return [ | |
'event_id', | |
'event_name', | |
'payload', | |
'metadata', | |
'created_at', | |
]; | |
} | |
public function prepareData(Iterator $streamEvents): array | |
{ | |
$data = []; | |
foreach ($streamEvents as $event) { | |
$data[] = $event->uuid()->toString(); | |
$data[] = $event->messageName(); | |
$data[] = json_encode($event->payload()); | |
$data[] = json_encode($event->metadata()); | |
$data[] = $event->createdAt()->format('Y-m-d\TH:i:s.u'); | |
} | |
return $data; | |
} | |
public function generateTableName(StreamName $streamName): string | |
{ | |
return '_' . preg_replace('/[^a-zA-Z0-9\-_]/', '', str_replace('-', '_', $streamName)); | |
} | |
public function indexName(): string | |
{ | |
return 'ix_query_aggregate'; | |
} | |
} |
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