private String BuildQuery(String table, Table conditions, Func<String, String> func)
        {
            var joinsCache = new Dictionary<String, String>();
            var alias = GetNewAlias(table);
            if (conditions?.RowCount > 0)
            {
                foreach (var row in conditions.Rows)
                {
                    var columnPath = row["column"];
                    var comparison = row["comparison"];
                    var value = row["value"];
                    BaseSteps.ExpandEscapeSequence(ref value);
                    String join;
                    row.TryGetValue("join", out join);
                    if (String.IsNullOrEmpty(join))
                        join = "INNER";
                    join = join.ToUpper();

                    String funcName;
                    IList<String> funcArgs;
                    if (ParseFunction(columnPath, out funcName, out funcArgs))
                    {
                        var selectColumnBuilder = new StringBuilder();
                        selectColumnBuilder.Append($"{funcName}(");
                        if (funcArgs.Any())
                        {
                            foreach (var funcArg in funcArgs)
                            {
                                var columnName = funcArg;
                                var columnType = GetColumnType(table, columnName);
                                columnName = String.IsNullOrEmpty(columnType) && !columnName.Contains(".")
                                    ? columnName
                                    : processColumn(columnName, alias, join, joinsCache);
                                selectColumnBuilder.Append($"{columnName}, ");
                            }
                            selectColumnBuilder.Remove(selectColumnBuilder.Length - 2, 2);
                        }
                        selectColumnBuilder.Append(")");
                        columnPath = selectColumnBuilder.ToString();
                    }
                    else
                        columnPath = processColumn(columnPath, alias, join, joinsCache);

                    columnPath = GetColumnCasted(columnPath, comparison, value);
                    where.Append(where.Length == 0
                        ? "WHERE "
                        : "  AND ");
                    if (comparison == "=" && value.ToUpper() == "NULL")
                        comparison = "IS";
                    where.Append($"{columnPath} {comparison} {value}");
                    where.AppendLine();
                }
            }