Add dialects

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

storage/ent/db/offlinesession_update.go

@@ -20,9 +20,9 @@ type OfflineSessionUpdate struct {
 	mutation *OfflineSessionMutation
 }
 
-// Where adds a new predicate for the OfflineSessionUpdate builder.
+// Where appends a list predicates to the OfflineSessionUpdate builder.
 func (osu *OfflineSessionUpdate) Where(ps ...predicate.OfflineSession) *OfflineSessionUpdate {
-	osu.mutation.predicates = append(osu.mutation.predicates, ps...)
+	osu.mutation.Where(ps...)
 	return osu
 }
 
@@ -87,6 +87,9 @@ func (osu *OfflineSessionUpdate) Save(ctx context.Context) (int, error) {
 			return affected, err
 		})
 		for i := len(osu.hooks) - 1; i >= 0; i-- {
+			if osu.hooks[i] == nil {
+				return 0, fmt.Errorf("db: uninitialized hook (forgotten import db/runtime?)")
+			}
 			mut = osu.hooks[i](mut)
 		}
 		if _, err := mut.Mutate(ctx, osu.mutation); err != nil {
@@ -188,8 +191,8 @@ func (osu *OfflineSessionUpdate) sqlSave(ctx context.Context) (n int, err error)
 	if n, err = sqlgraph.UpdateNodes(ctx, osu.driver, _spec); err != nil {
 		if _, ok := err.(*sqlgraph.NotFoundError); ok {
 			err = &NotFoundError{offlinesession.Label}
-		} else if cerr, ok := isSQLConstraintError(err); ok {
-			err = cerr
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{err.Error(), err}
 		}
 		return 0, err
 	}
@@ -272,6 +275,9 @@ func (osuo *OfflineSessionUpdateOne) Save(ctx context.Context) (*OfflineSession,
 			return node, err
 		})
 		for i := len(osuo.hooks) - 1; i >= 0; i-- {
+			if osuo.hooks[i] == nil {
+				return nil, fmt.Errorf("db: uninitialized hook (forgotten import db/runtime?)")
+			}
 			mut = osuo.hooks[i](mut)
 		}
 		if _, err := mut.Mutate(ctx, osuo.mutation); err != nil {
@@ -393,8 +399,8 @@ func (osuo *OfflineSessionUpdateOne) sqlSave(ctx context.Context) (_node *Offlin
 	if err = sqlgraph.UpdateNode(ctx, osuo.driver, _spec); err != nil {
 		if _, ok := err.(*sqlgraph.NotFoundError); ok {
 			err = &NotFoundError{offlinesession.Label}
-		} else if cerr, ok := isSQLConstraintError(err); ok {
-			err = cerr
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{err.Error(), err}
 		}
 		return nil, err
 	}