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<?php |
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namespace ByJG\DbMigration\Database; |
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use ByJG\AnyDataset\Db\Factory; |
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use ByJG\Util\Uri; |
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use Psr\Http\Message\UriInterface; |
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class PgsqlDatabase extends AbstractDatabase |
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{ |
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public static function schema() |
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{ |
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return 'pgsql'; |
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} |
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public static function prepareEnvironment(UriInterface $uri) |
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{ |
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$database = preg_replace('~^/~', '', $uri->getPath()); |
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$dbDriver = static::getDbDriverWithoutDatabase($uri); |
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static::createDatabaseIfNotExists($dbDriver, $database); |
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} |
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protected static function getDbDriverWithoutDatabase(UriInterface $uri) |
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{ |
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$customUri = new Uri($uri->__toString()); |
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return Factory::getDbRelationalInstance($customUri->withPath('/postgres')->__toString()); |
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} |
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/** |
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* @param \ByJG\AnyDataset\Db\DbDriverInterface $dbDriver |
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* @param $database |
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*/ |
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protected static function createDatabaseIfNotExists($dbDriver, $database) |
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{ |
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$currentDbName = $dbDriver->getScalar( |
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"SELECT datname FROM pg_catalog.pg_database WHERE lower(datname) = lower(:dbname)", |
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['dbname' => $database] |
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); |
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if (empty($currentDbName)) { |
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$dbDriver->execute("CREATE DATABASE $database WITH encoding=\"UTF8\";"); |
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} |
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} |
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public function createDatabase() |
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{ |
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$database = preg_replace('~^/~', '', $this->getDbDriver()->getUri()->getPath()); |
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static::createDatabaseIfNotExists($this->getDbDriver(), $database); |
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} |
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public function dropDatabase() |
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{ |
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$iterator = $this->getDbDriver()->getIterator( |
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"select 'drop table if exists \"' || tablename || '\" cascade;' command from pg_tables where schemaname = 'public';" |
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); |
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foreach ($iterator as $singleRow) { |
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$this->getDbDriver()->execute($singleRow->get('command')); |
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} |
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} |
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/** |
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* @throws \ByJG\DbMigration\Exception\DatabaseNotVersionedException |
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* @throws \ByJG\DbMigration\Exception\OldVersionSchemaException |
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*/ |
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public function createVersion() |
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{ |
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$this->getDbDriver()->execute('CREATE TABLE IF NOT EXISTS ' . $this->getMigrationTable() . ' (version int, status varchar(20), PRIMARY KEY (version))'); |
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$this->checkExistsVersion(); |
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} |
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public function executeSql($sql) |
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{ |
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$statements = preg_split("/;(\r\n|\r|\n)/", $sql); |
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foreach ($statements as $sql) { |
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$this->executeSqlInternal($sql); |
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} |
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} |
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protected function executeSqlInternal($sql) |
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{ |
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if (empty(trim($sql))) { |
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return; |
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} |
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$this->getDbDriver()->execute($sql); |
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} |
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public function isDatabaseVersioned() |
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{ |
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return $this->isTableExists('public', $this->getMigrationTable()); |
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} |
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} |
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byjg /
migration
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