presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/BaseJdbcClient.java/BaseJdbcClient/listTablesByLowerCase
class BaseJdbcClient:    protected Map<String, String> listTablesByLowerCase(Connection connection, String remoteSchema)
    {
        try (ResultSet resultSet = getTables(connection, Optional.of(remoteSchema), Optional.empty())) {
            ImmutableMap.Builder<String, String> map = ImmutableMap.builder();
            while (resultSet.next()) {
                String tableName = resultSet.getString("TABLE_NAME");
                map.put(tableName.toLowerCase(ENGLISH), tableName);
            }
            return map.build();
        }
        catch (SQLException e) {
            throw new PrestoException(JDBC_ERROR, e);
        }
    }