/**
* Main method builds all the targets for a typical propel project.
*/
public function main()
{
$manager = new PropelMigrationManager();
$manager->setConnections($this->getGeneratorConfig()->getBuildConnections());
$manager->setMigrationTable($this->getMigrationTable());
$manager->setMigrationDir($this->getOutputDirectory());
$previousTimestamps = $manager->getAlreadyExecutedMigrationTimestamps();
if (!($nextMigrationTimestamp = array_pop($previousTimestamps))) {
$this->log('No migration were ever executed on this database - nothing to reverse.');
return false;
}
$this->log(sprintf('Executing migration %s down', $manager->getMigrationClassName($nextMigrationTimestamp)));
if ($nbPreviousTimestamps = count($previousTimestamps)) {
$previousTimestamp = array_pop($previousTimestamps);
} else {
$previousTimestamp = 0;
}
$migration = $manager->getMigrationObject($nextMigrationTimestamp);
if (false === $migration->preDown($manager)) {
$this->log('preDown() returned false. Aborting migration.', Project::MSG_ERR);
return false;
}
foreach ($migration->getDownSQL() as $datasource => $sql) {
$connection = $manager->getConnection($datasource);
$this->log(sprintf('Connecting to database "%s" using DSN "%s"', $datasource, $connection['dsn']), Project::MSG_VERBOSE);
$pdo = $manager->getPdoConnection($datasource);
$res = 0;
$statements = PropelSQLParser::parseString($sql);
foreach ($statements as $statement) {
try {
$this->log(sprintf('Executing statement "%s"', $statement), Project::MSG_VERBOSE);
$stmt = $pdo->prepare($statement);
$stmt->execute();
$res++;
} catch (PDOException $e) {
$this->log(sprintf('Failed to execute SQL "%s"', $statement), Project::MSG_ERR);
// continue
}
}
if (!$res) {
$this->log('No statement was executed. The version was not updated.');
$this->log(sprintf('Please review the code in "%s"', $manager->getMigrationDir() . DIRECTORY_SEPARATOR . $manager->getMigrationClassName($nextMigrationTimestamp)));
$this->log('Migration aborted', Project::MSG_ERR);
return false;
}
$this->log(sprintf('%d of %d SQL statements executed successfully on datasource "%s"', $res, count($statements), $datasource));
$manager->updateLatestMigrationTimestamp($datasource, $previousTimestamp);
$this->log(sprintf('Downgraded migration date to %d for datasource "%s"', $previousTimestamp, $datasource), Project::MSG_VERBOSE);
}
$migration->postDown($manager);
if ($nbPreviousTimestamps) {
$this->log(sprintf('Reverse migration complete. %d more migrations available for reverse.', $nbPreviousTimestamps));
} else {
$this->log('Reverse migration complete. No more migration available for reverse');
}
}
/**
* Load the sql file and then execute it
*
* @throws BuildException
*/
public function main()
{
$conf = new GeneratorConfig();
$conf->setBuildProperties($this->getProject()->getProperties());
$this->setBuildConnections($conf->getBuildConnections());
if ($this->sqldbmap === null || $this->getSqlDbMap()->exists() === false) {
throw new BuildException("You haven't provided an sqldbmap, or " . "the one you specified doesn't exist: " . $this->sqldbmap->getPath());
}
if ($this->url === null) {
throw new BuildException("DSN url attribute must be set!");
}
// get an ordered list of SQL files to execute
$databases = $this->getFilesToExecute();
$this->log(sprintf('Reading SQL files...'));
foreach ($databases as $database => $files) {
$statements[$database] = array();
foreach ($files as $fileName) {
$fullFileName = $this->srcDir ? $this->srcDir . DIRECTORY_SEPARATOR . $fileName : $fileName;
if (file_exists($fullFileName)) {
$this->log(sprintf(' Loading statements from "%s"', $fullFileName));
$fileStatements = PropelSQLParser::parseFile($fullFileName);
$this->log(sprintf(' %d statements to execute', count($fileStatements)), Project::MSG_VERBOSE);
$statements[$database] = array_merge($statements[$database], $fileStatements);
} else {
$this->log(sprintf('File "%s" in sqldbmap does not exist, skipping it.', $fullFileName));
}
}
}
$successfullStatements = 0;
$this->log(sprintf('Executing SQL statements...'));
foreach ($statements as $database => $statementList) {
$successfullStatements += $this->insertDatabaseSqlFiles($database, $statementList);
}
$this->log(sprintf('SQL execution complete. %d statements successfully executed.', $successfullStatements));
}
public function createMigrationTable($datasource)
{
$platform = $this->getPlatform($datasource);
// modelize the table
$database = new Database($datasource);
$database->setPlatform($platform);
$table = new Table($this->getMigrationTable());
$database->addTable($table);
$column = new Column('version');
$column->getDomain()->copy($platform->getDomainForType('INTEGER'));
$column->setDefaultValue(0);
$table->addColumn($column);
// insert the table into the database
$statements = $platform->getAddTableDDL($table);
$pdo = $this->getPdoConnection($datasource);
$res = PropelSQLParser::executeString($statements, $pdo);
if (!$res) {
throw new Exception(sprintf('Unable to create migration table in datasource "%s"', $datasource));
}
}
/**
* @param string $datasource A datasource name.
*/
public function insertSql($datasource = null)
{
$statementsToInsert = array();
foreach ($this->getProperties($this->getSqlDbMapFilename()) as $sqlFile => $database) {
if (null !== $datasource && $database !== $datasource) {
// skip
break;
}
if (!isset($statementsToInsert[$database])) {
$statementsToInsert[$database] = array();
}
if (null === $database || null !== $database && $database === $datasource) {
$filename = $this->getWorkingDirectory() . DIRECTORY_SEPARATOR . $sqlFile;
if (file_exists($filename)) {
foreach (PropelSQLParser::parseFile($filename) as $sql) {
$statementsToInsert[$database][] = $sql;
}
}
}
}
foreach ($statementsToInsert as $database => $sqls) {
if (!$this->hasConnection($database)) {
continue;
}
$pdo = $this->getPdoConnection($database);
$pdo->beginTransaction();
try {
foreach ($sqls as $sql) {
$stmt = $pdo->prepare($sql);
$stmt->execute();
}
$pdo->commit();
} catch (PDOException $e) {
$pdo->rollback();
throw $e;
}
}
return true;
}
public function buildSQL(PDO $con)
{
$statements = PropelSQLParser::parseString($this->getSQL());
foreach ($statements as $statement) {
if (strpos($statement, 'DROP') === 0) {
// drop statements cause errors since the table doesn't exist
continue;
}
$stmt = $con->prepare($statement);
if ($stmt instanceof PDOStatement) {
// only execute if has no error
$stmt->execute();
}
}
return count($statements);
}
/**
* @dataProvider explodeIntoStatementsDataProvider
*/
public function testExplodeIntoStatements($input, $output)
{
$parser = new PropelSQLParser();
$parser->setSQL($input);
$this->assertEquals($output, $parser->explodeIntoStatements());
}