/**
* Returns list of constraints that should be added.
*
* @param old_table original table
* @param new_table new table
* @param type whether primary keys should be processed or other constraints should be processed
*
* @return list of constraints that should be added
*/
private static function get_new_constraints($old_schema, $old_table, $new_schema, $new_table, $type)
{
$list = array();
if ($new_table != null) {
if ($old_table == null) {
foreach (pgsql8_constraint::get_table_constraints(dbsteward::$new_database, $new_schema, $new_table, $type) as $constraint) {
$list[] = $constraint;
}
} else {
foreach (pgsql8_constraint::get_table_constraints(dbsteward::$new_database, $new_schema, $new_table, $type) as $constraint) {
$old_constraint = pgsql8_constraint::get_table_constraint(dbsteward::$old_database, $old_schema, $old_table, $constraint['name']);
if (!pgsql8_table::contains_constraint(dbsteward::$old_database, $old_schema, $old_table, $constraint['name']) || !pgsql8_table::constraint_equals($old_constraint, $constraint) || pgsql8_table::constraint_depends_on_renamed_table(dbsteward::$new_database, $constraint)) {
$list[] = $constraint;
}
}
}
}
return $list;
}
