private function importConstraints(OrmProperty $property)
 {
     $name = $this->dbTable->getName() . '_' . $property->getName();
     $fields = $property->getFields();
     if ($property->isIdentifier()) {
         $this->dbTable->addConstraint(new DBPrimaryKeyConstraint($name . '_pk', $this->dbTable, $fields));
     } else {
         if ($property->isUnique()) {
             $this->dbTable->addConstraint(new DBUniqueConstraint($name . '_uq', $this->dbTable, $fields));
         }
     }
     $type = $property->getType();
     if ($type instanceof AssociationPropertyType) {
         $this->dbTable->addConstraint(new DBOneToOneConstraint($name . '_fk', $this->dbTable, $fields, $this->dbSchema->getTable($property->getType()->getContainer()->getTable()), $property->getType()->getAssociationBreakAction()));
     } else {
         if ($type instanceof CompositePropertyType) {
             foreach ($type->getProperties($property) as $_property) {
                 $this->importConstraints($_property);
             }
         }
     }
     if ($property->isQueryable()) {
         $this->dbTable->addIndex(new DBIndex($name . '_idx', $this->dbTable, $fields));
     }
 }
 /**
  * @return void
  */
 private function importProperty()
 {
     if (!sizeof($this->ormProperty->getFields())) {
         // columnless properties are skipped
         return;
     }
     $columns = array_combine($this->ormProperty->getFields(), $this->ormProperty->getType()->getSqlTypes());
     $dbColumns = array();
     foreach ($columns as $name => $dbType) {
         $dbColumns[$name] = new DBColumn($name, $dbType);
     }
     $fields = array_keys($dbColumns);
     $this->dbTable->addColumns($dbColumns);
     if ($this->ormProperty->getType() instanceof AssociationPropertyType) {
         $this->dbTable->addConstraint(new DBOneToOneConstraint($fields, $this->dbSchema->getTable($this->ormProperty->getType()->getContainer()->getTable()), $this->ormProperty->getType()->getAssociationBreakAction()));
     }
     if ($this->ormProperty->isIdentifier()) {
         $this->dbTable->addConstraint(new DBPrimaryKeyConstraint($fields));
     } else {
         if ($this->ormProperty->isUnique()) {
             $this->dbTable->addConstraint(new DBUniqueConstraint($fields));
         }
     }
 }