Finds all tables that are like the specified base table name.
$table_expression: An SQL expression, for example "simpletest%" (without the quotes). BEWARE: this is not prefixed, the caller should take care of that.
Array, both the keys and the values are the matching tables.
function db_find_tables($table_expression) {
return Database::getConnection()
->schema()
->findTables($table_expression);
}