for idx, column := range groupBy.Columns {
		if idx > 0 {
			builder.WriteByte(',')
		}

		builder.WriteQuoted(column)
	}

	if len(groupBy.Having) > 0 {
		builder.WriteString(" HAVING ")
		Where{Exprs: groupBy.Having}.Build(builder)
	}
}

// MergeClause merge group by clause
func (groupBy GroupBy) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(GroupBy); ok {

        dstIndex += 2;
        dst[ dstIndex++ ] = (byte) 0x00;
        dst[ dstIndex++ ] = (byte) 0x00;
        dst[ dstIndex++ ] = (byte) 0x00;
        dst[ dstIndex++ ] = (byte) 0x00;
        dstIndex += writeString(this.path, dst, dstIndex);

        return dstIndex - start;
    }


    /**
     * @param informationLevel2
     * @return
     */
    static long mapInformationLevel ( int il ) {

	// Remove sensitive information
	crypto.RemoveSensitiveHeaders(w.Header())
}

// Encodes the response headers into XML format.
func encodeResponse(response interface{}) []byte {
	var buf bytes.Buffer
	buf.WriteString(xml.Header)
	if err := xml.NewEncoder(&buf).Encode(response); err != nil {
		bugLogIf(GlobalContext, err)
		return nil
	}
	return buf.Bytes()
}

// Use this encodeResponseList() to support control characters

			err = msgp.WrapError(err)
			return
		}
		(*z) = StatusType(zb0001)
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z StatusType) EncodeMsg(en *msgp.Writer) (err error) {
	err = en.WriteString(string(z))
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z StatusType) MarshalMsg(b []byte) (o []byte, err error) {

			// Can only happen if buffer is silly small.
			return b.WriteString(string(r))
		}
	}
	size = utf8.EncodeRune(b.buf[b.n:], r)
	b.n += size
	return size, nil
}

// WriteString writes a string.
// It returns the number of bytes written.
// If the count is less than len(s), it also returns an error explaining
// why the write is short.
func (b *Writer) WriteString(s string) (int, error) {
	var sw io.StringWriter

        dstIndex += 2;
        writeInt2( informationLevel, dst, dstIndex );
        dstIndex += 2;
        writeInt4( searchStorageType, dst, dstIndex );
        dstIndex += 4;
        dstIndex += writeString( path + wildcard, dst, dstIndex );

        return dstIndex - start;
    }
    int writeDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }

        dstIndex += 2;
        dst[dstIndex++] = (byte)0x00;
        dst[dstIndex++] = (byte)0x00;
        dst[dstIndex++] = (byte)0x00;
        dst[dstIndex++] = (byte)0x00;
        dstIndex += writeString( path, dst, dstIndex );

        return dstIndex - start;
    }
    int writeDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }

        return len;
    }


    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dst[ dstIndex++ ] = (byte) 0x04;
        dstIndex += writeString(this.path, dst, dstIndex);
        return dstIndex - start;
    }


    @Override
    protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
        return 0;
    }

			b.uint32(uint32(h.offset))
		}
		if _, err := w.cw.Write(buf[:]); err != nil {
			return err
		}
		if _, err := io.WriteString(w.cw, h.Name); err != nil {
			return err
		}
		if _, err := w.cw.Write(h.Extra); err != nil {
			return err
		}
		if _, err := io.WriteString(w.cw, h.Comment); err != nil {
			return err
		}
	}
	end := w.cw.count

	records := uint64(len(w.dir))

	if err != nil {
		return
	}
	err = en.WriteString(z.DeploymentID)
	if err != nil {
		err = msgp.WrapError(err, "DeploymentID")
		return
	}
	// write "Endpoint"
	err = en.Append(0xa8, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Endpoint)
	if err != nil {
		err = msgp.WrapError(err, "Endpoint")
		return
	}