/**
*
* @param array $classes
* @return array
*/
public function getDropSchemaSQL(array $classes)
{
$sm = $this->_em->getConnection()->getSchemaManager();
$sql = array();
$orderedTables = array();
foreach ($classes AS $class) {
if ($class->isIdGeneratorSequence() && $class->name == $class->rootEntityName && $this->_platform->supportsSequences()) {
$sql[] = $this->_platform->getDropSequenceSQL($class->sequenceGeneratorDefinition['sequenceName']);
}
}
$commitOrder = $this->_getCommitOrder($classes);
$associationTables = $this->_getAssociationTables($commitOrder);
// Drop association tables first
foreach ($associationTables as $associationTable) {
if (!in_array($associationTable, $orderedTables)) {
$orderedTables[] = $associationTable;
}
}
// Drop tables in reverse commit order
for ($i = count($commitOrder) - 1; $i >= 0; --$i) {
$class = $commitOrder[$i];
if (($class->isInheritanceTypeSingleTable() && $class->name != $class->rootEntityName)
|| $class->isMappedSuperclass) {
continue;
}
if (!in_array($class->getTableName(), $orderedTables)) {
$orderedTables[] = $class->getTableName();
}
}
$dropTablesSql = array();
foreach ($orderedTables AS $tableName) {
/* @var $sm \Doctrine\DBAL\Schema\AbstractSchemaManager */
$foreignKeys = $sm->listTableForeignKeys($tableName);
foreach ($foreignKeys AS $foreignKey) {
$sql[] = $this->_platform->getDropForeignKeySQL($foreignKey, $tableName);
}
$dropTablesSql[] = $this->_platform->getDropTableSQL($tableName);
}
return array_merge($sql, $dropTablesSql);
}
/**
* @return array
*/
public function getQueries()
{
$sql = array();
foreach ($this->constraints as $fkConstraint) {
$localTable = $this->constraints[$fkConstraint];
$sql[] = $this->platform->getDropForeignKeySQL($fkConstraint, $localTable);
}
foreach ($this->sequences as $sequence) {
$sql[] = $this->platform->getDropSequenceSQL($sequence);
}
foreach ($this->tables as $table) {
$sql[] = $this->platform->getDropTableSQL($table);
}
return $sql;
}
/**
* @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
* @param boolean $saveMode
*
* @return array
*/
protected function _toSql(AbstractPlatform $platform, $saveMode = false)
{
$sql = array();
if ($platform->supportsSchemas()) {
foreach ($this->newNamespaces as $newNamespace) {
$sql[] = $platform->getCreateSchemaSQL($newNamespace);
}
}
if ($platform->supportsForeignKeyConstraints() && $saveMode == false) {
foreach ($this->orphanedForeignKeys as $orphanedForeignKey) {
$sql[] = $platform->getDropForeignKeySQL($orphanedForeignKey, $orphanedForeignKey->getLocalTableName());
}
}
if ($platform->supportsSequences() == true) {
foreach ($this->changedSequences as $sequence) {
$sql[] = $platform->getAlterSequenceSQL($sequence);
}
if ($saveMode === false) {
foreach ($this->removedSequences as $sequence) {
$sql[] = $platform->getDropSequenceSQL($sequence);
}
}
foreach ($this->newSequences as $sequence) {
$sql[] = $platform->getCreateSequenceSQL($sequence);
}
}
$foreignKeySql = array();
foreach ($this->newTables as $table) {
$sql = array_merge($sql, $platform->getCreateTableSQL($table, AbstractPlatform::CREATE_INDEXES));
if ($platform->supportsForeignKeyConstraints()) {
foreach ($table->getForeignKeys() as $foreignKey) {
$foreignKeySql[] = $platform->getCreateForeignKeySQL($foreignKey, $table);
}
}
}
$sql = array_merge($sql, $foreignKeySql);
if ($saveMode === false) {
foreach ($this->removedTables as $table) {
$sql[] = $platform->getDropTableSQL($table);
}
}
foreach ($this->changedTables as $tableDiff) {
$sql = array_merge($sql, $platform->getAlterTableSQL($tableDiff));
}
return $sql;
}
/**
* Drops a sequence with a given name.
*
* @param string $name The name of the sequence to drop.
*/
public function dropSequence($name)
{
$this->_execSql($this->_platform->getDropSequenceSQL($name));
}
/**
* @param Sequence $sequence
*/
public function acceptSequence(Sequence $sequence)
{
$this->_sequences[] = $this->_platform->getDropSequenceSQL($sequence->getQuotedName($this->_platform));
}