presto-jdbc/src/main/java/io/prestosql/jdbc/PrestoDatabaseMetaData.java/PrestoDatabaseMetaData/stringColumnEquals
class PrestoDatabaseMetaData:    private static String stringColumnEquals(String columnName, String value)
    {
        StringBuilder filter = new StringBuilder();
        filter.append(columnName).append(" = ");
        quoteStringLiteral(filter, value);
        return filter.toString();
    }