Add support for list values for Eq() predicate.

pkg/inventory/model/model_test.go

@@ -653,6 +653,17 @@ func TestList(t *testing.T) {
 	g.Expect(err).To(gomega.BeNil())
 	g.Expect(len(list)).To(gomega.Equal(1))
 	g.Expect(list[0].ID).To(gomega.Equal(0))
+	// List = (multiple).
+	list = []TestObject{}
+	err = DB.List(
+		&list,
+		ListOptions{
+			Predicate: Eq("ID", []int{2, 4}),
+		})
+	g.Expect(err).To(gomega.BeNil())
+	g.Expect(len(list)).To(gomega.Equal(2))
+	g.Expect(list[0].ID).To(gomega.Equal(2))
+	g.Expect(list[1].ID).To(gomega.Equal(4))
 	// List != AND
 	list = []TestObject{}
 	err = DB.List(

pkg/inventory/model/predicate.go

@@ -185,7 +185,36 @@ type EqPredicate struct {
 //
 // Build.
 func (p *EqPredicate) Build(options *ListOptions) error {
-	return p.build("=", options)
+	f, found := p.match(options.fields)
+	if !found {
+		return liberr.Wrap(PredicateRefErr)
+	}
+	pv := reflect.ValueOf(p.Value)
+	switch pv.Kind() {
+	case reflect.Slice:
+		params := []string{}
+		for i := 0; i < pv.Len(); i++ {
+			v, err := f.AsValue(pv.Index(i).Interface())
+			if err != nil {
+				return err
+			}
+			params = append(
+				params,
+				options.Param(f.Name, v))
+		}
+		p.expr = strings.Join(
+			[]string{
+				f.Name,
+				"IN",
+				"(",
+				strings.Join(params, ","),
+				")"},
+			" ")
+	default:
+		return p.build("=", options)
+	}
+
+	return nil
 }
 
 //