protected function appendForeignKeys()
{
if ($this->table->disableForeignKeys) {
return;
}
foreach ($this->table->getForeignKeys() as $foreignKey) {
$this->fkLines->commaExpr($this->database()->getUtility()->generateForeignKeyExpression($foreignKey));
}
}
/**
* @return bool
*/
public function apply()
{
if (self::$enableStateCache && isset(self::$applied[$this->table->entityClassName])) {
if ($this->log) {
$this->log->push(Expression::create('# Migration for table ? (?) already applied, skipping', $this->table->schemaName, $this->table->entityClassName));
}
return true;
}
/** @var Migration[] $dependentMigrations */
$dependentMigrations = array();
foreach ($this->table->getForeignKeys() as $foreignKey) {
$referenceMigration = $foreignKey->getReferencedTable()->migration();
$referenceMigration->dryRun = $this->dryRun;
$referenceMigration->log = $this->log;
$dependentMigrations[$referenceMigration->table->schemaName] = $referenceMigration;
}
try {
$statement = $this->checkRun();
if ($dependentMigrations) {
$fkStatement = $statement->extractForeignKeysStatement();
if (!$this->applyRequired($statement)) {
return false;
}
$this->runStatement($statement);
self::setApplied($this->table->entityClassName);
if ($this->log) {
$this->log->push('# Dependent tables found: ' . implode(', ', array_keys($dependentMigrations)));
}
foreach ($dependentMigrations as $migration) {
$migration->apply();
}
$this->runStatement($fkStatement);
} else {
if (!$this->applyRequired($statement)) {
return false;
}
$this->runStatement($statement);
}
if ($this->log) {
$this->log->push('# OK', Log::TYPE_SUCCESS);
}
} catch (Exception $exception) {
if ($this->log) {
$this->log->push($exception->getMessage(), Log::TYPE_ERROR);
}
return false;
}
return true;
}
protected function processForeignKeys()
{
/** @var ForeignKey[] $beforeForeignKeys */
$beforeForeignKeys = array();
if (!$this->before->disableForeignKeys) {
foreach ($this->before->getForeignKeys() as $foreignKey) {
$beforeForeignKeys[$foreignKey->getName()] = $foreignKey;
}
}
$afterForeignKeys = $this->after->getForeignKeys();
if ($this->after->disableForeignKeys) {
$afterForeignKeys = array();
}
foreach ($afterForeignKeys as $foreignKey) {
if (!isset($beforeForeignKeys[$foreignKey->getName()])) {
$this->addFkExpression->commaExpr('ADD');
$this->addFkExpression->appendExpr($this->database()->getUtility()->generateForeignKeyExpression($foreignKey));
} else {
unset($beforeForeignKeys[$foreignKey->getName()]);
}
}
foreach ($beforeForeignKeys as $foreignKey) {
$this->alterLines->commaExpr('DROP FOREIGN KEY ?', new Symbol($foreignKey->getName()));
}
}
