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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 DblibDatabase extends AbstractDatabase |
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{ |
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public static function schema() |
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{ |
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return ['dblib', 'sqlsrv']; |
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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('~^/~', '', $uri->getPath()); |
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$customUri = new Uri($uri->__toString()); |
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$dbDriver = Factory::getDbRelationalInstance($customUri->withPath('/')->__toString()); |
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$dbDriver->execute("IF NOT EXISTS(select * from sys.databases where name='$database') CREATE DATABASE $database"); |
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} |
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public function createDatabase() |
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{ |
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$database = preg_replace('~^/~', '', $this->getDbDriver()->getUri()->getPath()); |
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$this->getDbDriver()->execute("IF NOT EXISTS(select * from sys.databases where name='$database') CREATE DATABASE $database"); |
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$this->getDbDriver()->execute("USE $database"); |
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} |
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public function dropDatabase() |
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{ |
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$database = preg_replace('~^/~', '', $this->getDbDriver()->getUri()->getPath()); |
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$this->getDbDriver()->execute("use master"); |
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$this->getDbDriver()->execute("drop database $database"); |
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} |
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protected function createTableIfNotExists($database, $createTable) |
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{ |
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$this->getDbDriver()->execute("use $database"); |
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$sql = "IF (NOT EXISTS (SELECT * |
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FROM INFORMATION_SCHEMA.TABLES |
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WHERE TABLE_SCHEMA = 'dbo' |
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AND TABLE_NAME = '" . $this->getMigrationTable() . "')) |
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BEGIN |
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$createTable |
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END"; |
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$this->getDbDriver()->execute($sql); |
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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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$database = preg_replace('~^/~', '', $this->getDbDriver()->getUri()->getPath()); |
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$createTable = 'CREATE TABLE ' . $this->getMigrationTable() . ' (version int, status varchar(20), PRIMARY KEY (version))'; |
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$this->createTableIfNotExists($database, $createTable); |
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$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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/** |
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* @param $schema |
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* @param $table |
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* @return bool |
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*/ |
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protected function isTableExists($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_catalog = [[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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} |
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byjg /
migration
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