String getColumnSQL() { StringBuffer result = new StringBuffer(); result.append(" "); if (getName() != null) { result.append("constraint " + getName() + "\n "); } result.append("references "); result.append(m_key.getTable().getName()); result.append(m_key.getColumnList()); if (m_cascade) { result.append(" on delete cascade"); } return result.toString(); }