if idx > 0 {
				builder.WriteByte(',')
			}

			builder.WriteQuoted(column.Column)
			if column.Desc {
				builder.WriteString(" DESC")
			}
		}
	}
}

// MergeClause merge order by clauses
func (orderBy OrderBy) MergeClause(clause *Clause) {
	if v, ok := clause.Expression.(OrderBy); ok {
		for i := len(orderBy.Columns) - 1; i >= 0; i-- {
			if orderBy.Columns[i].Reorder {

	}
	if limit.Offset > 0 {
		if limit.Limit != nil && *limit.Limit >= 0 {
			builder.WriteByte(' ')
		}
		builder.WriteString("OFFSET ")
		builder.AddVar(builder, limit.Offset)
	}
}

// MergeClause merge order by clauses
func (limit Limit) MergeClause(clause *Clause) {
	clause.Name = ""

	if v, ok := clause.Expression.(Limit); ok {
		if (limit.Limit == nil || *limit.Limit == 0) && v.Limit != nil {
			limit.Limit = v.Limit

//
// If size resp. actualSize is unknown at the time of calling
// NewReader then it should be set to -1.
// When size is >=0 it *must* match the amount of data provided by r.
//
// NewReader may try merge the given size, MD5 and SHA256 values
// into src - if src is a Reader - to avoid computing the same
// checksums multiple times.
// NewReader enforces S3 compatibility strictly by ensuring caller

		}
	}

	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if err := json.Unmarshal(data, &srvCfg); err != nil {
		return nil, err
	}

	// Add any missing entries
	return srvCfg.Merge(), nil
}

// ConfigSys - config system.
type ConfigSys struct{}

// Init - initializes config system from config.json.
func (sys *ConfigSys) Init(objAPI ObjectLayer) error {
	if objAPI == nil {

				Enabled:  true,
				Endpoint: url,
			}
		}

	}
	return cfg
}

func lookupAuditKafkaConfig(scfg config.Config, cfg Config) (Config, error) {
	for k, kv := range config.Merge(scfg[config.AuditKafkaSubSys], EnvKafkaEnable, DefaultAuditKafkaKVS) {
		enabledCfgVal := getCfgVal(EnvKafkaEnable, k, kv.Get(config.Enable))
		enabled, err := config.ParseBool(enabledCfgVal)
		if err != nil {

				"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031580",
				"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589",
			},
		},
		{
			desc:       "Nested hash reader NewReader() should merge.",
			src:        mustReader(t, bytes.NewReader([]byte("abcd")), 4, "", "", 4),
			size:       4,
			actualSize: 4,
		},
		{
			desc:       "Incorrect sha256, nested",

			if disks[index] == nil {
				return errDiskNotFound
			}
			return disks[index].ReadMultiple(ctx, req, resps[index])
		}, index)
	}

	dataArray := make([]ReadMultipleResp, 0, len(req.Files))
	// Merge results. They should come in order from each.
	for _, wantFile := range req.Files {
		quorum := 0
		toAdd := ReadMultipleResp{
			Bucket: req.Bucket,
			Prefix: req.Prefix,
			File:   wantFile,
		}

	var mu sync.Mutex
	var wg sync.WaitGroup
	var errs []error
	allAtEOF := true
	var inputs []chan metaCacheEntry
	mu.Lock()
	// Ask all sets and merge entries.
	listCtx, cancelList := context.WithCancel(ctx)
	defer cancelList()
	for _, pool := range z.serverPools {
		for _, set := range pool.sets {
			wg.Add(1)
			innerResults := make(chan metaCacheEntry, 100)

	combined := Mask(atomic.LoadUint64(&ps.types))
	combined.Merge(Mask(mask.Mask()))
	atomic.StoreUint64(&ps.types, uint64(combined))

	go func() {
		<-doneCh

		ps.Lock()
		defer ps.Unlock()
		var remainTypes Mask
		for i, s := range ps.subs {
			if s == sub {
				ps.subs = append(ps.subs[:i], ps.subs[i+1:]...)
			} else {
				remainTypes.Merge(s.types)
			}
		}

	go func() {
		updateTicker := time.NewTicker(30 * time.Second)
		defer updateTicker.Stop()
		var lastUpdate time.Time

		// We need to merge since we will get the same buckets from each pool.
		// Therefore to get the exact bucket sizes we must merge before we can convert.
		var allMerged dataUsageCache

		update := func() {
			mu.Lock()
			defer mu.Unlock()