}

	// update with gorm exprs
	if err := DB.Model(&user3).Updates(map[string]interface{}{"age": gorm.Expr("age + ?", 100)}).Error; err != nil {
		t.Errorf("Not error should happen when updating with gorm expr, but got %v", err)
	}
	var user4 User
	DB.First(&user4, user3.ID)

	user3.Age += 100

	} else {
		if join.Type != "" {
			builder.WriteString(string(join.Type))
			builder.WriteByte(' ')
		}

		builder.WriteString("JOIN ")
		builder.WriteQuoted(join.Table)

		if len(join.ON.Exprs) > 0 {
			builder.WriteString(" ON ")
			join.ON.Build(builder)
		} else if len(join.Using) > 0 {
			builder.WriteString(" USING (")
			for idx, c := range join.Using {
				if idx > 0 {
					builder.WriteByte(',')

		if withCondition {
			if _, withSoftDelete := db.Statement.Clauses["soft_delete_enabled"]; withSoftDelete {
				whereClause, _ := where.Expression.(clause.Where)
				withCondition = len(whereClause.Exprs) > 1
			}
		}
		if !withCondition {
			db.AddError(gorm.ErrMissingWhereClause)
		}
		return
	}
}

type visitMap = map[reflect.Value]bool

	}

	// Where
	tx = tx.Where("age = ?", 20)
	c, ok := tx.Statement.Clauses["WHERE"]
	if !ok {
		t.Fatalf("WHERE clause expected")
	}
	if where, ok := c.Expression.(clause.Where); !ok || len(where.Exprs) == 0 {
		t.Fatalf("WHERE expressions expected, got %v", c.Expression)
	}

	// Order
	tx = tx.Order("name DESC")
	if _, ok := tx.Statement.Clauses["ORDER BY"]; !ok {
		t.Fatalf("ORDER BY clause expected")
	}

		e.aggregate = newAggVal(funcName)

		var exprA qProp
		if funcName == aggFnCount {
			if e.Count.StarArg {
				return qProp{isAggregation: true}
			}

			exprA = e.Count.ExprArg.analyze(s)
		} else {
			if len(e.SFunc.ArgsList) != 1 {
				return qProp{err: fmt.Errorf("%s takes exactly one argument", funcName)}
			}
			exprA = e.SFunc.ArgsList[0].analyze(s)
		}

		if exprA.err != nil {

      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (server) (minio_node_replication_average_active_workers{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{server}}",
          "refId": "A"

      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum by (server) (minio_cluster_replication_received_bytes{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{server}}",
          "refId": "A"
        }

	NegationBuild(builder Builder)
}

// Expr raw expression
type Expr struct {
	SQL                string
	Vars               []interface{}
	WithoutParentheses bool
}

// Build build raw expression
func (expr Expr) Build(builder Builder) {
	var (
		afterParenthesis bool
		idx              int
	)

	for _, v := range []byte(expr.SQL) {
		if v == '?' && len(expr.Vars) > idx {

      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "time() - max(minio_node_process_starttime_seconds{job=~\"$scrape_jobs\"})",
          "format": "time_series",
          "instant": true,
          "interval": "",
          "intervalFactor": 1,

      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "max(minio_node_drive_total{job=~\"$scrape_jobs\",server=\"$server\"})",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "intervalFactor": 1,