presto-jdbc/src/main/java/io/prestosql/jdbc/PrestoDatabaseMetaData.java/PrestoDatabaseMetaData/getProcedureColumns
class PrestoDatabaseMetaData:    @Override
    public ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern)
            throws SQLException
    {
        return selectEmpty("" +
                "SELECT PROCEDURE_CAT, PROCEDURE_SCHEM, PROCEDURE_NAME, " +
                "  COLUMN_NAME, COLUMN_TYPE, DATA_TYPE, TYPE_NAME,\n" +
                "  PRECISION, LENGTH, SCALE, RADIX,\n" +
                "  NULLABLE, REMARKS, COLUMN_DEF, SQL_DATA_TYPE, SQL_DATETIME_SUB,\n" +
                "  CHAR_OCTET_LENGTH, ORDINAL_POSITION, IS_NULLABLE, SPECIFIC_NAME\n" +
                "FROM system.jdbc.procedure_columns\n" +
                "ORDER BY PROCEDURE_CAT, PROCEDURE_SCHEM, PROCEDURE_NAME, SPECIFIC_NAME, COLUMN_NAME");
    }