PHP Constraint::getConstraintString示例

示例#1

文件： ForeignKey.php 项目： HaldunA/phpwebsite

 public function getConstraintString()
 {
     $sql[] = parent::getConstraintString();
     foreach ($this->references as $rk) {
         $reference_keys[] = $rk->getName();
     }
     $reference_table_name = $rk->getTable()->getFullName();
     $sql[] = 'REFERENCES';
     $sql[] = $reference_table_name . '(' . implode(', ', $reference_keys) . ')';
     $sql[] = 'ON DELETE ' . $this->getOptionString($this->on_delete);
     $sql[] = 'ON UPDATE ' . $this->getOptionString($this->on_update);
     return implode(' ', $sql);
 }