/**
* Main method builds all the targets for a typical propel project.
*/
public function main()
{
$manager = new MigrationManager();
$manager->setConnections($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;
$statements = SqlParser::parseString($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');
}
}
/**
* Main method builds all the targets for a typical propel project.
*/
public function main()
{
$manager = new MigrationManager();
$manager->setConnections($this->getGeneratorConfig()->getBuildConnections());
$manager->setMigrationTable($this->getMigrationTable());
$manager->setMigrationDir($this->getOutputDirectory());
if (!($nextMigrationTimestamp = $manager->getFirstUpMigrationTimestamp())) {
$this->log('All migrations were already executed - nothing to migrate.');
return false;
}
$timestamps = $manager->getValidMigrationTimestamps();
if (count($timestamps) > 1) {
$this->log(sprintf('%d migrations to execute', count($timestamps)));
}
foreach ($timestamps as $timestamp) {
$this->log(sprintf('Executing migration %s up', $manager->getMigrationClassName($timestamp)));
$migration = $manager->getMigrationObject($timestamp);
if (false === $migration->preUp($manager)) {
$this->log('preUp() returned false. Aborting migration.', Project::MSG_ERR);
return false;
}
foreach ($migration->getUpSQL() 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;
$statements = SqlParser::parseString($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 . $manager->getMigrationClassName($timestamp)));
$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, $timestamp);
$this->log(sprintf('Updated latest migration date to %d for datasource "%s"', $timestamp, $datasource), Project::MSG_VERBOSE);
}
$migration->postUp($manager);
}
$this->log('Migration complete. No further migration to execute.');
}
public function main()
{
$manager = new MigrationManager();
$manager->setConnections($this->getGeneratorConfig()->getBuildConnections());
$manager->setMigrationTable($this->getMigrationTable());
$manager->setMigrationDir($this->getOutputDirectory());
// the following is a verbose version of MigrationManager::getValidMigrationTimestamps()
// mostly for explicit output
$this->log('Checking Database Versions...');
foreach ($manager->getConnections() as $datasource => $params) {
$this->log(sprintf('Connecting to database "%s" using DSN "%s"', $datasource, $params['dsn']), Project::MSG_VERBOSE);
if (!$manager->migrationTableExists($datasource)) {
$this->log(sprintf('Migration table does not exist in datasource "%s"; creating it.', $datasource), Project::MSG_VERBOSE);
$manager->createMigrationTable($datasource);
}
}
if ($oldestMigrationTimestamp = $manager->getOldestDatabaseVersion()) {
$this->log(sprintf('Latest migration was executed on %s (timestamp %d)', date('Y-m-d H:i:s', $oldestMigrationTimestamp), $oldestMigrationTimestamp), Project::MSG_VERBOSE);
} else {
$this->log('No migration was ever executed on these connection settings.', Project::MSG_VERBOSE);
}
$this->log('Listing Migration files...');
$dir = $this->getOutputDirectory();
$migrationTimestamps = $manager->getMigrationTimestamps();
$nbExistingMigrations = count($migrationTimestamps);
if ($migrationTimestamps) {
$this->log(sprintf('%d valid migration classes found in "%s"', $nbExistingMigrations, $dir), Project::MSG_VERBOSE);
if ($validTimestamps = $manager->getValidMigrationTimestamps()) {
$countValidTimestamps = count($validTimestamps);
if ($countValidTimestamps == 1) {
$this->log('1 migration needs to be executed:');
} else {
$this->log(sprintf('%d migrations need to be executed:', $countValidTimestamps));
}
}
foreach ($migrationTimestamps as $timestamp) {
$this->log(sprintf(' %s %s %s', $timestamp == $oldestMigrationTimestamp ? '>' : ' ', $manager->getMigrationClassName($timestamp), $timestamp <= $oldestMigrationTimestamp ? '(executed)' : ''), $timestamp <= $oldestMigrationTimestamp ? Project::MSG_VERBOSE : Project::MSG_INFO);
}
} else {
$this->log(sprintf('No migration file found in "%s".', $dir));
$this->log('Make sure you run the sql-diff task.');
return false;
}
$migrationTimestamps = $manager->getValidMigrationTimestamps();
$nbNotYetExecutedMigrations = count($migrationTimestamps);
if (!$nbNotYetExecutedMigrations) {
$this->log('All migration files were already executed - Nothing to migrate.');
return false;
}
$this->log(sprintf('Call the "migrate" task to execute %s', $countValidTimestamps == 1 ? 'it' : 'them'));
}