copy(exprs, w.Exprs)
		copy(exprs[len(w.Exprs):], where.Exprs)
		where.Exprs = exprs
	}

	clause.Expression = where
}

func And(exprs ...Expression) Expression {
	if len(exprs) == 0 {
		return nil
	}

	if len(exprs) == 1 {
		if _, ok := exprs[0].(OrConditions); !ok {
			return exprs[0]
		}
	}

	return AndConditions{Exprs: exprs}
}

type AndConditions struct {

	for _, e := range elems {
		if elem == e {
			return true
		}
	}
	return false
}

func AssertEqual(x, y interface{}) bool {
	if reflect.DeepEqual(x, y) {
		return true
	}
	if x == nil || y == nil {
		return false
	}

	xval := reflect.ValueOf(x)
	yval := reflect.ValueOf(y)
	if xval.Kind() == reflect.Ptr && xval.IsNil() ||
		yval.Kind() == reflect.Ptr && yval.IsNil() {
		return false
	}

	}

	if c.wantException {
		if fErr == nil {
			t.Fatalf("Wanted an exception for 'istioctl %s', didn't get one, output was %q",
				strings.Join(c.args, " "), output)
		}
	} else {
		if fErr != nil {
			t.Fatalf("Unwanted exception for 'istioctl %s': %v", strings.Join(c.args, " "), fErr)
		}
	}
}

func init() {

		text := scanner.Text()
		if text == "" || strings.HasPrefix(text, KvComment) {
			continue
		}
		_, _, tgt, err := GetSubSys(text)
		if err != nil {
			return nil, err
		}
		ids[tgt] = true
	}
	if err := scanner.Err(); err != nil {
		return nil, err
	}
	return
}

// ReadConfig - read content from input and write into c.
// Returns whether all parameters were dynamic.

		"name":       "valuer_and_setter_2",
		"id":         2,
		"created_at": time.Now(),
		"updated_at": nil,
		"deleted_at": time.Now(),
		"age":        20,
		"birthday":   time.Now(),
		"active":     f,
	}

	for k, v := range newValues {
		if err := userSchema.FieldsByDBName[k].Set(context.Background(), reflectValue, v); err != nil {
			t.Errorf("no error should happen when assign value to field %v, but got %v", k, err)
		}
	}

func loadBucketReplicationMetrics(ctx context.Context, m MetricValues, c *metricsCache, buckets []string) error {
	if globalSiteReplicationSys.isEnabled() {
		return nil
	}

	dataUsageInfo, err := c.dataUsageInfo.Get()
	if err != nil {
		metricsLogIf(ctx, err)
		return nil
	}

	bucketReplStats := globalReplicationStats.Load().getAllLatest(dataUsageInfo.BucketsUsage)
	for _, bucket := range buckets {

	for _, query := range strings.Split(encodedQuery, "&") {
		var unescapedQuery string
		unescapedQuery, err = url.QueryUnescape(query)
		if err != nil {
			return nil, err
		}
		unescapedQueries = append(unescapedQueries, unescapedQuery)
	}
	return unescapedQueries, nil
}

// doesPresignV2SignatureMatch - Verify query headers with presigned signature

func (stats *HTTPAPIStats) Inc(api string) {
	if stats == nil {
		return
	}
	stats.Lock()
	defer stats.Unlock()
	if stats.apiStats == nil {
		stats.apiStats = make(map[string]int)
	}
	stats.apiStats[api]++
}

// Dec increments the api stats counter.
func (stats *HTTPAPIStats) Dec(api string) {
	if stats == nil {
		return
	}
	stats.Lock()
	defer stats.Unlock()

				NoncurrentDays:          90,
				NewerNoncurrentVersions: 0,
				set:                     true,
			},
			err: nil,
		},
		{
			n: NoncurrentVersionExpiration{
				NoncurrentDays:          90,
				NewerNoncurrentVersions: 2,
				set:                     true,
			},
			err: nil,
		},
		{
			n: NoncurrentVersionExpiration{
				NoncurrentDays: -1,
				set:            true,
			},

	ifModifiedSinceHeader := r.Header.Get(xhttp.AmzCopySourceIfModifiedSince)
	if ifModifiedSinceHeader != "" {
		if givenTime, err := amztime.ParseHeader(ifModifiedSinceHeader); err == nil {
			if !ifModifiedSince(objInfo.ModTime, givenTime) {
				// If the object is not modified since the specified time.
				writeHeaders()
				writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)