* @return an array of EOSQLExpressions for deleting this column
*/
@SuppressWarnings("unchecked")
public NSArray<EOSQLExpression> _deleteExpressions() {
EOSchemaSynchronization schemaSynchronization = _table.database().synchronizationFactory();
NSArray<EOSQLExpression> expressions = schemaSynchronization.statementsToDeleteColumnNamed(name(), _table.name(), NSDictionary.EmptyDictionary);
ERXMigrationDatabase._ensureNotEmpty(expressions, "delete column", true);
return expressions;
}
/**