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<?php |
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namespace ByJG\DbMigration\Database; |
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use ByJG\AnyDataset\Db\DbDriverInterface; |
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use ByJG\AnyDataset\Db\Factory; |
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use ByJG\DbMigration\Exception\DatabaseNotVersionedException; |
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use ByJG\DbMigration\Exception\OldVersionSchemaException; |
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use ByJG\DbMigration\Migration; |
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use Psr\Http\Message\UriInterface; |
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abstract class AbstractDatabase implements DatabaseInterface |
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{ |
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/** |
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* @var DbDriverInterface |
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*/ |
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private $dbDriver; |
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/** |
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* @var UriInterface |
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*/ |
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private $uri; |
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/** |
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* @var string |
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*/ |
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private $migrationTable; |
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/** |
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* Command constructor. |
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* |
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* @param UriInterface $uri |
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* @param string $migrationTable |
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*/ |
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public function __construct(UriInterface $uri, $migrationTable = 'migration_version') |
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{ |
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$this->uri = $uri; |
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$this->migrationTable = $migrationTable; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMigrationTable() |
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{ |
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return $this->migrationTable; |
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} |
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/** |
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* @return DbDriverInterface |
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*/ |
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public function getDbDriver() |
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{ |
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if (is_null($this->dbDriver)) { |
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$this->dbDriver = Factory::getDbRelationalInstance($this->uri->__toString()); |
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} |
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return $this->dbDriver; |
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} |
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/** |
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* @return array |
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* @throws \ByJG\DbMigration\Exception\DatabaseNotVersionedException |
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* @throws \ByJG\DbMigration\Exception\OldVersionSchemaException |
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*/ |
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public function getVersion() |
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{ |
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$result = []; |
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try { |
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$result['version'] = $this->getDbDriver()->getScalar('SELECT version FROM ' . $this->getMigrationTable()); |
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} catch (\Exception $ex) { |
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throw new DatabaseNotVersionedException('This database does not have a migration version. Please use "migrate reset" or "migrate install" to create one.'); |
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} |
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try { |
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$result['status'] = $this->getDbDriver()->getScalar('SELECT status FROM ' . $this->getMigrationTable()); |
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} catch (\Exception $ex) { |
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throw new OldVersionSchemaException('This database does not have a migration version. Please use "migrate install" for update it.'); |
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} |
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return $result; |
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} |
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/** |
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* @param $version |
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* @param $status |
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*/ |
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public function setVersion($version, $status) |
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{ |
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$this->getDbDriver()->execute( |
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'UPDATE ' . $this->getMigrationTable() . ' SET version = :version, status = :status', |
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[ |
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'version' => $version, |
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'status' => $status, |
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] |
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); |
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} |
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/** |
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* @throws \ByJG\DbMigration\Exception\DatabaseNotVersionedException |
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* @throws \ByJG\DbMigration\Exception\OldVersionSchemaException |
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*/ |
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protected function checkExistsVersion() |
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{ |
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// Get the version to check if exists |
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$versionInfo = $this->getVersion(); |
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if ($versionInfo['version'] === false) { |
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$this->getDbDriver()->execute(sprintf( |
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"insert into %s values(0, '%s')", |
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$this->getMigrationTable(), |
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Migration::VERSION_STATUS_UNKNOWN) |
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); |
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} |
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} |
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/** |
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* |
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*/ |
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public function updateVersionTable() |
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{ |
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$currentVersion = $this->getDbDriver()->getScalar(sprintf('select version from %s', $this->getMigrationTable())); |
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$this->getDbDriver()->execute(sprintf('drop table %s', $this->getMigrationTable())); |
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$this->createVersion(); |
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$this->setVersion($currentVersion, Migration::VERSION_STATUS_UNKNOWN); |
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} |
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protected function isTableExists($schema, $table) |
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{ |
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$count = $this->getDbDriver()->getScalar( |
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'SELECT count(*) FROM information_schema.tables ' . |
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' WHERE table_schema = [[schema]] ' . |
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' AND table_name = [[table]] ', |
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[ |
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"schema" => $schema, |
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"table" => $table |
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] |
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); |
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return (intval($count) !== 0); |
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} |
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public function isDatabaseVersioned() |
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{ |
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return $this->isTableExists(ltrim($this->getDbDriver()->getUri()->getPath(), "/"), $this->getMigrationTable()); |
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} |
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} |
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byjg /
migration
