diff --git a/entc/gen/internal/bindata.go b/entc/gen/internal/bindata.go
index 576dea7f0..0beaf3b92 100644
--- a/entc/gen/internal/bindata.go
+++ b/entc/gen/internal/bindata.go
@@ -186,7 +186,7 @@ func templateBuilderDeleteTmpl() (*asset, error) {
 	return a, nil
 }
 
-var _templateBuilderMutationTmpl = 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+var _templateBuilderMutationTmpl = 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
 func templateBuilderMutationTmplBytes() ([]byte, error) {
 	return bindataRead(
@@ -201,7 +201,7 @@ func templateBuilderMutationTmpl() (*asset, error) {
 		return nil, err
 	}
 
-	info := bindataFileInfo{name: "template/builder/mutation.tmpl", size: 20025, mode: os.FileMode(420), modTime: time.Unix(1, 0)}
+	info := bindataFileInfo{name: "template/builder/mutation.tmpl", size: 20144, mode: os.FileMode(420), modTime: time.Unix(1, 0)}
 	a := &asset{bytes: bytes, info: info}
 	return a, nil
 }
diff --git a/entc/gen/template/builder/mutation.tmpl b/entc/gen/template/builder/mutation.tmpl
index 60785cf64..2d3719d6d 100644
--- a/entc/gen/template/builder/mutation.tmpl
+++ b/entc/gen/template/builder/mutation.tmpl
@@ -175,7 +175,9 @@ func (m *{{ $mutation }}) ID() (id {{ $n.ID.Type }}, exists bool) {
 		return *v, true
 	}
 
-	// {{ $f.MutationGetOld }} returns the old {{ $f.Name }} value, if exists.
+	// {{ $f.MutationGetOld }} returns the old {{ $f.Name }} value of the {{ $n.Name }}.
+	// If the {{ $n.Name }} object wasn't provided to the builder, the object is fetched
+	// from the database.
 	// An error is returned if the mutation operation is not UpdateOne, or database query fails.
 	func (m *{{ $mutation }}) {{ $f.MutationGetOld }}(ctx context.Context) (v {{ if $f.Nillable }}*{{ end }}{{ $f.Type }}, err error) {
 		if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/customid/ent/mutation.go b/entc/integration/customid/ent/mutation.go
index 9bb3d65f7..453f5cdb3 100644
--- a/entc/integration/customid/ent/mutation.go
+++ b/entc/integration/customid/ent/mutation.go
@@ -153,7 +153,9 @@ func (m *BlobMutation) UUID() (r uuid.UUID, exists bool) {
 	return *v, true
 }
 
-// OldUUID returns the old uuid value, if exists.
+// OldUUID returns the old uuid value of the Blob.
+// If the Blob object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *BlobMutation) OldUUID(ctx context.Context) (v uuid.UUID, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -576,7 +578,9 @@ func (m *CarMutation) Model() (r string, exists bool) {
 	return *v, true
 }
 
-// OldModel returns the old model value, if exists.
+// OldModel returns the old model value of the Car.
+// If the Car object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CarMutation) OldModel(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/ent/mutation.go b/entc/integration/ent/mutation.go
index 5cd9d3c32..9a5e589f3 100644
--- a/entc/integration/ent/mutation.go
+++ b/entc/integration/ent/mutation.go
@@ -163,7 +163,9 @@ func (m *CardMutation) CreateTime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldCreateTime returns the old create_time value, if exists.
+// OldCreateTime returns the old create_time value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldCreateTime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -198,7 +200,9 @@ func (m *CardMutation) UpdateTime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldUpdateTime returns the old update_time value, if exists.
+// OldUpdateTime returns the old update_time value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldUpdateTime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -233,7 +237,9 @@ func (m *CardMutation) Number() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNumber returns the old number value, if exists.
+// OldNumber returns the old number value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldNumber(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -268,7 +274,9 @@ func (m *CardMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -768,7 +776,9 @@ func (m *CommentMutation) UniqueInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldUniqueInt returns the old unique_int value, if exists.
+// OldUniqueInt returns the old unique_int value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldUniqueInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -823,7 +833,9 @@ func (m *CommentMutation) UniqueFloat() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldUniqueFloat returns the old unique_float value, if exists.
+// OldUniqueFloat returns the old unique_float value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldUniqueFloat(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -878,7 +890,9 @@ func (m *CommentMutation) NillableInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt returns the old nillable_int value, if exists.
+// OldNillableInt returns the old nillable_int value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldNillableInt(ctx context.Context) (v *int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1334,7 +1348,9 @@ func (m *FieldTypeMutation) Int() (r int, exists bool) {
 	return *v, true
 }
 
-// OldInt returns the old int value, if exists.
+// OldInt returns the old int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1389,7 +1405,9 @@ func (m *FieldTypeMutation) Int8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldInt8 returns the old int8 value, if exists.
+// OldInt8 returns the old int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt8(ctx context.Context) (v int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1444,7 +1462,9 @@ func (m *FieldTypeMutation) Int16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldInt16 returns the old int16 value, if exists.
+// OldInt16 returns the old int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt16(ctx context.Context) (v int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1499,7 +1519,9 @@ func (m *FieldTypeMutation) Int32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldInt32 returns the old int32 value, if exists.
+// OldInt32 returns the old int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1554,7 +1576,9 @@ func (m *FieldTypeMutation) Int64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldInt64 returns the old int64 value, if exists.
+// OldInt64 returns the old int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt64(ctx context.Context) (v int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1609,7 +1633,9 @@ func (m *FieldTypeMutation) OptionalInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt returns the old optional_int value, if exists.
+// OldOptionalInt returns the old optional_int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1678,7 +1704,9 @@ func (m *FieldTypeMutation) OptionalInt8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt8 returns the old optional_int8 value, if exists.
+// OldOptionalInt8 returns the old optional_int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt8(ctx context.Context) (v int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1747,7 +1775,9 @@ func (m *FieldTypeMutation) OptionalInt16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt16 returns the old optional_int16 value, if exists.
+// OldOptionalInt16 returns the old optional_int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt16(ctx context.Context) (v int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1816,7 +1846,9 @@ func (m *FieldTypeMutation) OptionalInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt32 returns the old optional_int32 value, if exists.
+// OldOptionalInt32 returns the old optional_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1885,7 +1917,9 @@ func (m *FieldTypeMutation) OptionalInt64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt64 returns the old optional_int64 value, if exists.
+// OldOptionalInt64 returns the old optional_int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt64(ctx context.Context) (v int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1954,7 +1988,9 @@ func (m *FieldTypeMutation) NillableInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt returns the old nillable_int value, if exists.
+// OldNillableInt returns the old nillable_int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt(ctx context.Context) (v *int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2023,7 +2059,9 @@ func (m *FieldTypeMutation) NillableInt8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt8 returns the old nillable_int8 value, if exists.
+// OldNillableInt8 returns the old nillable_int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt8(ctx context.Context) (v *int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2092,7 +2130,9 @@ func (m *FieldTypeMutation) NillableInt16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt16 returns the old nillable_int16 value, if exists.
+// OldNillableInt16 returns the old nillable_int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt16(ctx context.Context) (v *int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2161,7 +2201,9 @@ func (m *FieldTypeMutation) NillableInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt32 returns the old nillable_int32 value, if exists.
+// OldNillableInt32 returns the old nillable_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt32(ctx context.Context) (v *int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2230,7 +2272,9 @@ func (m *FieldTypeMutation) NillableInt64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt64 returns the old nillable_int64 value, if exists.
+// OldNillableInt64 returns the old nillable_int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt64(ctx context.Context) (v *int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2299,7 +2343,9 @@ func (m *FieldTypeMutation) ValidateOptionalInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldValidateOptionalInt32 returns the old validate_optional_int32 value, if exists.
+// OldValidateOptionalInt32 returns the old validate_optional_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldValidateOptionalInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2368,7 +2414,9 @@ func (m *FieldTypeMutation) OptionalUint() (r uint, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint returns the old optional_uint value, if exists.
+// OldOptionalUint returns the old optional_uint value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint(ctx context.Context) (v uint, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2437,7 +2485,9 @@ func (m *FieldTypeMutation) OptionalUint8() (r uint8, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint8 returns the old optional_uint8 value, if exists.
+// OldOptionalUint8 returns the old optional_uint8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint8(ctx context.Context) (v uint8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2506,7 +2556,9 @@ func (m *FieldTypeMutation) OptionalUint16() (r uint16, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint16 returns the old optional_uint16 value, if exists.
+// OldOptionalUint16 returns the old optional_uint16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint16(ctx context.Context) (v uint16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2575,7 +2627,9 @@ func (m *FieldTypeMutation) OptionalUint32() (r uint32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint32 returns the old optional_uint32 value, if exists.
+// OldOptionalUint32 returns the old optional_uint32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint32(ctx context.Context) (v uint32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2644,7 +2698,9 @@ func (m *FieldTypeMutation) OptionalUint64() (r uint64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint64 returns the old optional_uint64 value, if exists.
+// OldOptionalUint64 returns the old optional_uint64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint64(ctx context.Context) (v uint64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2712,7 +2768,9 @@ func (m *FieldTypeMutation) State() (r fieldtype.State, exists bool) {
 	return *v, true
 }
 
-// OldState returns the old state value, if exists.
+// OldState returns the old state value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldState(ctx context.Context) (v fieldtype.State, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2761,7 +2819,9 @@ func (m *FieldTypeMutation) OptionalFloat() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalFloat returns the old optional_float value, if exists.
+// OldOptionalFloat returns the old optional_float value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalFloat(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2830,7 +2890,9 @@ func (m *FieldTypeMutation) OptionalFloat32() (r float32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalFloat32 returns the old optional_float32 value, if exists.
+// OldOptionalFloat32 returns the old optional_float32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalFloat32(ctx context.Context) (v float32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2898,7 +2960,9 @@ func (m *FieldTypeMutation) Datetime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldDatetime returns the old datetime value, if exists.
+// OldDatetime returns the old datetime value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldDatetime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2947,7 +3011,9 @@ func (m *FieldTypeMutation) Decimal() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldDecimal returns the old decimal value, if exists.
+// OldDecimal returns the old decimal value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldDecimal(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4127,7 +4193,9 @@ func (m *FileMutation) Size() (r int, exists bool) {
 	return *v, true
 }
 
-// OldSize returns the old size value, if exists.
+// OldSize returns the old size value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldSize(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4181,7 +4249,9 @@ func (m *FileMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4216,7 +4286,9 @@ func (m *FileMutation) User() (r string, exists bool) {
 	return *v, true
 }
 
-// OldUser returns the old user value, if exists.
+// OldUser returns the old user value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldUser(ctx context.Context) (v *string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4264,7 +4336,9 @@ func (m *FileMutation) Group() (r string, exists bool) {
 	return *v, true
 }
 
-// OldGroup returns the old group value, if exists.
+// OldGroup returns the old group value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldGroup(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4838,7 +4912,9 @@ func (m *FileTypeMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the FileType.
+// If the FileType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileTypeMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5215,7 +5291,9 @@ func (m *GroupMutation) Active() (r bool, exists bool) {
 	return *v, true
 }
 
-// OldActive returns the old active value, if exists.
+// OldActive returns the old active value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldActive(ctx context.Context) (v bool, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5250,7 +5328,9 @@ func (m *GroupMutation) Expire() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldExpire returns the old expire value, if exists.
+// OldExpire returns the old expire value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldExpire(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5285,7 +5365,9 @@ func (m *GroupMutation) GetType() (r string, exists bool) {
 	return *v, true
 }
 
-// OldType returns the old type value, if exists.
+// OldType returns the old type value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldType(ctx context.Context) (v *string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5334,7 +5416,9 @@ func (m *GroupMutation) MaxUsers() (r int, exists bool) {
 	return *v, true
 }
 
-// OldMaxUsers returns the old max_users value, if exists.
+// OldMaxUsers returns the old max_users value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldMaxUsers(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5402,7 +5486,9 @@ func (m *GroupMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6051,7 +6137,9 @@ func (m *GroupInfoMutation) Desc() (r string, exists bool) {
 	return *v, true
 }
 
-// OldDesc returns the old desc value, if exists.
+// OldDesc returns the old desc value of the GroupInfo.
+// If the GroupInfo object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupInfoMutation) OldDesc(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6087,7 +6175,9 @@ func (m *GroupInfoMutation) MaxUsers() (r int, exists bool) {
 	return *v, true
 }
 
-// OldMaxUsers returns the old max_users value, if exists.
+// OldMaxUsers returns the old max_users value of the GroupInfo.
+// If the GroupInfo object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupInfoMutation) OldMaxUsers(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6738,7 +6828,9 @@ func (m *NodeMutation) Value() (r int, exists bool) {
 	return *v, true
 }
 
-// OldValue returns the old value value, if exists.
+// OldValue returns the old value value of the Node.
+// If the Node object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *NodeMutation) OldValue(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -7214,7 +7306,9 @@ func (m *PetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -7967,7 +8061,9 @@ func (m *UserMutation) OptionalInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt returns the old optional_int value, if exists.
+// OldOptionalInt returns the old optional_int value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldOptionalInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8036,7 +8132,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8090,7 +8188,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8125,7 +8225,9 @@ func (m *UserMutation) Last() (r string, exists bool) {
 	return *v, true
 }
 
-// OldLast returns the old last value, if exists.
+// OldLast returns the old last value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldLast(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8160,7 +8262,9 @@ func (m *UserMutation) Nickname() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNickname returns the old nickname value, if exists.
+// OldNickname returns the old nickname value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldNickname(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8208,7 +8312,9 @@ func (m *UserMutation) Phone() (r string, exists bool) {
 	return *v, true
 }
 
-// OldPhone returns the old phone value, if exists.
+// OldPhone returns the old phone value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldPhone(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8256,7 +8362,9 @@ func (m *UserMutation) Password() (r string, exists bool) {
 	return *v, true
 }
 
-// OldPassword returns the old password value, if exists.
+// OldPassword returns the old password value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldPassword(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8304,7 +8412,9 @@ func (m *UserMutation) Role() (r user.Role, exists bool) {
 	return *v, true
 }
 
-// OldRole returns the old role value, if exists.
+// OldRole returns the old role value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldRole(ctx context.Context) (v user.Role, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8339,7 +8449,9 @@ func (m *UserMutation) SSOCert() (r string, exists bool) {
 	return *v, true
 }
 
-// OldSSOCert returns the old SSOCert value, if exists.
+// OldSSOCert returns the old SSOCert value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldSSOCert(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/gremlin/ent/mutation.go b/entc/integration/gremlin/ent/mutation.go
index 6188de70f..fca7ffa9d 100644
--- a/entc/integration/gremlin/ent/mutation.go
+++ b/entc/integration/gremlin/ent/mutation.go
@@ -163,7 +163,9 @@ func (m *CardMutation) CreateTime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldCreateTime returns the old create_time value, if exists.
+// OldCreateTime returns the old create_time value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldCreateTime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -198,7 +200,9 @@ func (m *CardMutation) UpdateTime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldUpdateTime returns the old update_time value, if exists.
+// OldUpdateTime returns the old update_time value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldUpdateTime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -233,7 +237,9 @@ func (m *CardMutation) Number() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNumber returns the old number value, if exists.
+// OldNumber returns the old number value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldNumber(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -268,7 +274,9 @@ func (m *CardMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -768,7 +776,9 @@ func (m *CommentMutation) UniqueInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldUniqueInt returns the old unique_int value, if exists.
+// OldUniqueInt returns the old unique_int value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldUniqueInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -823,7 +833,9 @@ func (m *CommentMutation) UniqueFloat() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldUniqueFloat returns the old unique_float value, if exists.
+// OldUniqueFloat returns the old unique_float value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldUniqueFloat(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -878,7 +890,9 @@ func (m *CommentMutation) NillableInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt returns the old nillable_int value, if exists.
+// OldNillableInt returns the old nillable_int value of the Comment.
+// If the Comment object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CommentMutation) OldNillableInt(ctx context.Context) (v *int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1334,7 +1348,9 @@ func (m *FieldTypeMutation) Int() (r int, exists bool) {
 	return *v, true
 }
 
-// OldInt returns the old int value, if exists.
+// OldInt returns the old int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1389,7 +1405,9 @@ func (m *FieldTypeMutation) Int8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldInt8 returns the old int8 value, if exists.
+// OldInt8 returns the old int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt8(ctx context.Context) (v int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1444,7 +1462,9 @@ func (m *FieldTypeMutation) Int16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldInt16 returns the old int16 value, if exists.
+// OldInt16 returns the old int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt16(ctx context.Context) (v int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1499,7 +1519,9 @@ func (m *FieldTypeMutation) Int32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldInt32 returns the old int32 value, if exists.
+// OldInt32 returns the old int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1554,7 +1576,9 @@ func (m *FieldTypeMutation) Int64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldInt64 returns the old int64 value, if exists.
+// OldInt64 returns the old int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldInt64(ctx context.Context) (v int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1609,7 +1633,9 @@ func (m *FieldTypeMutation) OptionalInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt returns the old optional_int value, if exists.
+// OldOptionalInt returns the old optional_int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1678,7 +1704,9 @@ func (m *FieldTypeMutation) OptionalInt8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt8 returns the old optional_int8 value, if exists.
+// OldOptionalInt8 returns the old optional_int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt8(ctx context.Context) (v int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1747,7 +1775,9 @@ func (m *FieldTypeMutation) OptionalInt16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt16 returns the old optional_int16 value, if exists.
+// OldOptionalInt16 returns the old optional_int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt16(ctx context.Context) (v int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1816,7 +1846,9 @@ func (m *FieldTypeMutation) OptionalInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt32 returns the old optional_int32 value, if exists.
+// OldOptionalInt32 returns the old optional_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1885,7 +1917,9 @@ func (m *FieldTypeMutation) OptionalInt64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt64 returns the old optional_int64 value, if exists.
+// OldOptionalInt64 returns the old optional_int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalInt64(ctx context.Context) (v int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1954,7 +1988,9 @@ func (m *FieldTypeMutation) NillableInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt returns the old nillable_int value, if exists.
+// OldNillableInt returns the old nillable_int value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt(ctx context.Context) (v *int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2023,7 +2059,9 @@ func (m *FieldTypeMutation) NillableInt8() (r int8, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt8 returns the old nillable_int8 value, if exists.
+// OldNillableInt8 returns the old nillable_int8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt8(ctx context.Context) (v *int8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2092,7 +2130,9 @@ func (m *FieldTypeMutation) NillableInt16() (r int16, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt16 returns the old nillable_int16 value, if exists.
+// OldNillableInt16 returns the old nillable_int16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt16(ctx context.Context) (v *int16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2161,7 +2201,9 @@ func (m *FieldTypeMutation) NillableInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt32 returns the old nillable_int32 value, if exists.
+// OldNillableInt32 returns the old nillable_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt32(ctx context.Context) (v *int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2230,7 +2272,9 @@ func (m *FieldTypeMutation) NillableInt64() (r int64, exists bool) {
 	return *v, true
 }
 
-// OldNillableInt64 returns the old nillable_int64 value, if exists.
+// OldNillableInt64 returns the old nillable_int64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldNillableInt64(ctx context.Context) (v *int64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2299,7 +2343,9 @@ func (m *FieldTypeMutation) ValidateOptionalInt32() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldValidateOptionalInt32 returns the old validate_optional_int32 value, if exists.
+// OldValidateOptionalInt32 returns the old validate_optional_int32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldValidateOptionalInt32(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2368,7 +2414,9 @@ func (m *FieldTypeMutation) OptionalUint() (r uint, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint returns the old optional_uint value, if exists.
+// OldOptionalUint returns the old optional_uint value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint(ctx context.Context) (v uint, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2437,7 +2485,9 @@ func (m *FieldTypeMutation) OptionalUint8() (r uint8, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint8 returns the old optional_uint8 value, if exists.
+// OldOptionalUint8 returns the old optional_uint8 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint8(ctx context.Context) (v uint8, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2506,7 +2556,9 @@ func (m *FieldTypeMutation) OptionalUint16() (r uint16, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint16 returns the old optional_uint16 value, if exists.
+// OldOptionalUint16 returns the old optional_uint16 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint16(ctx context.Context) (v uint16, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2575,7 +2627,9 @@ func (m *FieldTypeMutation) OptionalUint32() (r uint32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint32 returns the old optional_uint32 value, if exists.
+// OldOptionalUint32 returns the old optional_uint32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint32(ctx context.Context) (v uint32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2644,7 +2698,9 @@ func (m *FieldTypeMutation) OptionalUint64() (r uint64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalUint64 returns the old optional_uint64 value, if exists.
+// OldOptionalUint64 returns the old optional_uint64 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalUint64(ctx context.Context) (v uint64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2712,7 +2768,9 @@ func (m *FieldTypeMutation) State() (r fieldtype.State, exists bool) {
 	return *v, true
 }
 
-// OldState returns the old state value, if exists.
+// OldState returns the old state value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldState(ctx context.Context) (v fieldtype.State, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2761,7 +2819,9 @@ func (m *FieldTypeMutation) OptionalFloat() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldOptionalFloat returns the old optional_float value, if exists.
+// OldOptionalFloat returns the old optional_float value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalFloat(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2830,7 +2890,9 @@ func (m *FieldTypeMutation) OptionalFloat32() (r float32, exists bool) {
 	return *v, true
 }
 
-// OldOptionalFloat32 returns the old optional_float32 value, if exists.
+// OldOptionalFloat32 returns the old optional_float32 value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldOptionalFloat32(ctx context.Context) (v float32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2898,7 +2960,9 @@ func (m *FieldTypeMutation) Datetime() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldDatetime returns the old datetime value, if exists.
+// OldDatetime returns the old datetime value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldDatetime(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -2947,7 +3011,9 @@ func (m *FieldTypeMutation) Decimal() (r float64, exists bool) {
 	return *v, true
 }
 
-// OldDecimal returns the old decimal value, if exists.
+// OldDecimal returns the old decimal value of the FieldType.
+// If the FieldType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FieldTypeMutation) OldDecimal(ctx context.Context) (v float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4127,7 +4193,9 @@ func (m *FileMutation) Size() (r int, exists bool) {
 	return *v, true
 }
 
-// OldSize returns the old size value, if exists.
+// OldSize returns the old size value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldSize(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4181,7 +4249,9 @@ func (m *FileMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4216,7 +4286,9 @@ func (m *FileMutation) User() (r string, exists bool) {
 	return *v, true
 }
 
-// OldUser returns the old user value, if exists.
+// OldUser returns the old user value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldUser(ctx context.Context) (v *string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4264,7 +4336,9 @@ func (m *FileMutation) Group() (r string, exists bool) {
 	return *v, true
 }
 
-// OldGroup returns the old group value, if exists.
+// OldGroup returns the old group value of the File.
+// If the File object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileMutation) OldGroup(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -4838,7 +4912,9 @@ func (m *FileTypeMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the FileType.
+// If the FileType object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *FileTypeMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5215,7 +5291,9 @@ func (m *GroupMutation) Active() (r bool, exists bool) {
 	return *v, true
 }
 
-// OldActive returns the old active value, if exists.
+// OldActive returns the old active value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldActive(ctx context.Context) (v bool, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5250,7 +5328,9 @@ func (m *GroupMutation) Expire() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldExpire returns the old expire value, if exists.
+// OldExpire returns the old expire value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldExpire(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5285,7 +5365,9 @@ func (m *GroupMutation) GetType() (r string, exists bool) {
 	return *v, true
 }
 
-// OldType returns the old type value, if exists.
+// OldType returns the old type value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldType(ctx context.Context) (v *string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5334,7 +5416,9 @@ func (m *GroupMutation) MaxUsers() (r int, exists bool) {
 	return *v, true
 }
 
-// OldMaxUsers returns the old max_users value, if exists.
+// OldMaxUsers returns the old max_users value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldMaxUsers(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -5402,7 +5486,9 @@ func (m *GroupMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6051,7 +6137,9 @@ func (m *GroupInfoMutation) Desc() (r string, exists bool) {
 	return *v, true
 }
 
-// OldDesc returns the old desc value, if exists.
+// OldDesc returns the old desc value of the GroupInfo.
+// If the GroupInfo object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupInfoMutation) OldDesc(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6087,7 +6175,9 @@ func (m *GroupInfoMutation) MaxUsers() (r int, exists bool) {
 	return *v, true
 }
 
-// OldMaxUsers returns the old max_users value, if exists.
+// OldMaxUsers returns the old max_users value of the GroupInfo.
+// If the GroupInfo object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupInfoMutation) OldMaxUsers(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -6738,7 +6828,9 @@ func (m *NodeMutation) Value() (r int, exists bool) {
 	return *v, true
 }
 
-// OldValue returns the old value value, if exists.
+// OldValue returns the old value value of the Node.
+// If the Node object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *NodeMutation) OldValue(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -7214,7 +7306,9 @@ func (m *PetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -7967,7 +8061,9 @@ func (m *UserMutation) OptionalInt() (r int, exists bool) {
 	return *v, true
 }
 
-// OldOptionalInt returns the old optional_int value, if exists.
+// OldOptionalInt returns the old optional_int value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldOptionalInt(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8036,7 +8132,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8090,7 +8188,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8125,7 +8225,9 @@ func (m *UserMutation) Last() (r string, exists bool) {
 	return *v, true
 }
 
-// OldLast returns the old last value, if exists.
+// OldLast returns the old last value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldLast(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8160,7 +8262,9 @@ func (m *UserMutation) Nickname() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNickname returns the old nickname value, if exists.
+// OldNickname returns the old nickname value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldNickname(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8208,7 +8312,9 @@ func (m *UserMutation) Phone() (r string, exists bool) {
 	return *v, true
 }
 
-// OldPhone returns the old phone value, if exists.
+// OldPhone returns the old phone value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldPhone(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8256,7 +8362,9 @@ func (m *UserMutation) Password() (r string, exists bool) {
 	return *v, true
 }
 
-// OldPassword returns the old password value, if exists.
+// OldPassword returns the old password value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldPassword(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8304,7 +8412,9 @@ func (m *UserMutation) Role() (r user.Role, exists bool) {
 	return *v, true
 }
 
-// OldRole returns the old role value, if exists.
+// OldRole returns the old role value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldRole(ctx context.Context) (v user.Role, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -8339,7 +8449,9 @@ func (m *UserMutation) SSOCert() (r string, exists bool) {
 	return *v, true
 }
 
-// OldSSOCert returns the old SSOCert value, if exists.
+// OldSSOCert returns the old SSOCert value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldSSOCert(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/hooks/ent/mutation.go b/entc/integration/hooks/ent/mutation.go
index 952415d6a..06f52061c 100644
--- a/entc/integration/hooks/ent/mutation.go
+++ b/entc/integration/hooks/ent/mutation.go
@@ -141,7 +141,9 @@ func (m *CardMutation) Number() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNumber returns the old number value, if exists.
+// OldNumber returns the old number value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldNumber(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -176,7 +178,9 @@ func (m *CardMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -224,7 +228,9 @@ func (m *CardMutation) CreatedAt() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldCreatedAt returns the old created_at value, if exists.
+// OldCreatedAt returns the old created_at value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -631,7 +637,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/idtype/ent/mutation.go b/entc/integration/idtype/ent/mutation.go
index 7afb873b8..446c299d5 100644
--- a/entc/integration/idtype/ent/mutation.go
+++ b/entc/integration/idtype/ent/mutation.go
@@ -140,7 +140,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/json/ent/mutation.go b/entc/integration/json/ent/mutation.go
index c202f9f70..9a90dd85b 100644
--- a/entc/integration/json/ent/mutation.go
+++ b/entc/integration/json/ent/mutation.go
@@ -142,7 +142,9 @@ func (m *UserMutation) URL() (r *url.URL, exists bool) {
 	return *v, true
 }
 
-// OldURL returns the old url value, if exists.
+// OldURL returns the old url value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldURL(ctx context.Context) (v *url.URL, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -190,7 +192,9 @@ func (m *UserMutation) Raw() (r json.RawMessage, exists bool) {
 	return *v, true
 }
 
-// OldRaw returns the old raw value, if exists.
+// OldRaw returns the old raw value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldRaw(ctx context.Context) (v json.RawMessage, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -238,7 +242,9 @@ func (m *UserMutation) Dirs() (r []http.Dir, exists bool) {
 	return *v, true
 }
 
-// OldDirs returns the old dirs value, if exists.
+// OldDirs returns the old dirs value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldDirs(ctx context.Context) (v []http.Dir, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -286,7 +292,9 @@ func (m *UserMutation) Ints() (r []int, exists bool) {
 	return *v, true
 }
 
-// OldInts returns the old ints value, if exists.
+// OldInts returns the old ints value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldInts(ctx context.Context) (v []int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -334,7 +342,9 @@ func (m *UserMutation) Floats() (r []float64, exists bool) {
 	return *v, true
 }
 
-// OldFloats returns the old floats value, if exists.
+// OldFloats returns the old floats value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldFloats(ctx context.Context) (v []float64, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -382,7 +392,9 @@ func (m *UserMutation) Strings() (r []string, exists bool) {
 	return *v, true
 }
 
-// OldStrings returns the old strings value, if exists.
+// OldStrings returns the old strings value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldStrings(ctx context.Context) (v []string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/migrate/entv1/mutation.go b/entc/integration/migrate/entv1/mutation.go
index 86a315a6e..a7356b1dc 100644
--- a/entc/integration/migrate/entv1/mutation.go
+++ b/entc/integration/migrate/entv1/mutation.go
@@ -457,7 +457,9 @@ func (m *UserMutation) Age() (r int32, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int32, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -511,7 +513,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -546,7 +550,9 @@ func (m *UserMutation) Nickname() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNickname returns the old nickname value, if exists.
+// OldNickname returns the old nickname value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldNickname(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -581,7 +587,9 @@ func (m *UserMutation) Address() (r string, exists bool) {
 	return *v, true
 }
 
-// OldAddress returns the old address value, if exists.
+// OldAddress returns the old address value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAddress(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -629,7 +637,9 @@ func (m *UserMutation) Renamed() (r string, exists bool) {
 	return *v, true
 }
 
-// OldRenamed returns the old renamed value, if exists.
+// OldRenamed returns the old renamed value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldRenamed(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -677,7 +687,9 @@ func (m *UserMutation) Blob() (r []byte, exists bool) {
 	return *v, true
 }
 
-// OldBlob returns the old blob value, if exists.
+// OldBlob returns the old blob value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldBlob(ctx context.Context) (v []byte, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -725,7 +737,9 @@ func (m *UserMutation) State() (r user.State, exists bool) {
 	return *v, true
 }
 
-// OldState returns the old state value, if exists.
+// OldState returns the old state value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldState(ctx context.Context) (v user.State, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/migrate/entv2/mutation.go b/entc/integration/migrate/entv2/mutation.go
index 67ce345e0..6779e2a48 100644
--- a/entc/integration/migrate/entv2/mutation.go
+++ b/entc/integration/migrate/entv2/mutation.go
@@ -917,7 +917,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -971,7 +973,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1006,7 +1010,9 @@ func (m *UserMutation) Nickname() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNickname returns the old nickname value, if exists.
+// OldNickname returns the old nickname value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldNickname(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1041,7 +1047,9 @@ func (m *UserMutation) Phone() (r string, exists bool) {
 	return *v, true
 }
 
-// OldPhone returns the old phone value, if exists.
+// OldPhone returns the old phone value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldPhone(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1076,7 +1084,9 @@ func (m *UserMutation) Buffer() (r []byte, exists bool) {
 	return *v, true
 }
 
-// OldBuffer returns the old buffer value, if exists.
+// OldBuffer returns the old buffer value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldBuffer(ctx context.Context) (v []byte, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1124,7 +1134,9 @@ func (m *UserMutation) Title() (r string, exists bool) {
 	return *v, true
 }
 
-// OldTitle returns the old title value, if exists.
+// OldTitle returns the old title value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldTitle(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1159,7 +1171,9 @@ func (m *UserMutation) NewName() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNewName returns the old new_name value, if exists.
+// OldNewName returns the old new_name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldNewName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1207,7 +1221,9 @@ func (m *UserMutation) Blob() (r []byte, exists bool) {
 	return *v, true
 }
 
-// OldBlob returns the old blob value, if exists.
+// OldBlob returns the old blob value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldBlob(ctx context.Context) (v []byte, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1255,7 +1271,9 @@ func (m *UserMutation) State() (r user.State, exists bool) {
 	return *v, true
 }
 
-// OldState returns the old state value, if exists.
+// OldState returns the old state value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldState(ctx context.Context) (v user.State, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/privacy/ent/mutation.go b/entc/integration/privacy/ent/mutation.go
index 2e2ce8582..5fb416762 100644
--- a/entc/integration/privacy/ent/mutation.go
+++ b/entc/integration/privacy/ent/mutation.go
@@ -139,7 +139,9 @@ func (m *GalaxyMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Galaxy.
+// If the Galaxy object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GalaxyMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -174,7 +176,9 @@ func (m *GalaxyMutation) GetType() (r galaxy.Type, exists bool) {
 	return *v, true
 }
 
-// OldType returns the old type value, if exists.
+// OldType returns the old type value of the Galaxy.
+// If the Galaxy object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GalaxyMutation) OldType(ctx context.Context) (v galaxy.Type, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -559,7 +563,9 @@ func (m *PlanetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Planet.
+// If the Planet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PlanetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -595,7 +601,9 @@ func (m *PlanetMutation) Age() (r uint, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the Planet.
+// If the Planet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PlanetMutation) OldAge(ctx context.Context) (v uint, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/entc/integration/template/ent/mutation.go b/entc/integration/template/ent/mutation.go
index 2ce2e2f5b..40082bc22 100644
--- a/entc/integration/template/ent/mutation.go
+++ b/entc/integration/template/ent/mutation.go
@@ -141,7 +141,9 @@ func (m *GroupMutation) MaxUsers() (r int, exists bool) {
 	return *v, true
 }
 
-// OldMaxUsers returns the old max_users value, if exists.
+// OldMaxUsers returns the old max_users value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldMaxUsers(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -471,7 +473,9 @@ func (m *PetMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -525,7 +529,9 @@ func (m *PetMutation) LicensedAt() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldLicensedAt returns the old licensed_at value, if exists.
+// OldLicensedAt returns the old licensed_at value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldLicensedAt(ctx context.Context) (v *time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -941,7 +947,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/edgeindex/ent/mutation.go b/examples/edgeindex/ent/mutation.go
index d2236a140..5adc94ef4 100644
--- a/examples/edgeindex/ent/mutation.go
+++ b/examples/edgeindex/ent/mutation.go
@@ -138,7 +138,9 @@ func (m *CityMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the City.
+// If the City object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CityMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -504,7 +506,9 @@ func (m *StreetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Street.
+// If the Street object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *StreetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/m2m2types/ent/mutation.go b/examples/m2m2types/ent/mutation.go
index 56fca7ab2..c6893311d 100644
--- a/examples/m2m2types/ent/mutation.go
+++ b/examples/m2m2types/ent/mutation.go
@@ -138,7 +138,9 @@ func (m *GroupMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -507,7 +509,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -561,7 +565,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/m2mbidi/ent/mutation.go b/examples/m2mbidi/ent/mutation.go
index fc98dab92..6ff63dfee 100644
--- a/examples/m2mbidi/ent/mutation.go
+++ b/examples/m2mbidi/ent/mutation.go
@@ -139,7 +139,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -193,7 +195,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/m2mrecur/ent/mutation.go b/examples/m2mrecur/ent/mutation.go
index 2b92ad31c..cb97a4e53 100644
--- a/examples/m2mrecur/ent/mutation.go
+++ b/examples/m2mrecur/ent/mutation.go
@@ -141,7 +141,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -195,7 +197,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/o2m2types/ent/mutation.go b/examples/o2m2types/ent/mutation.go
index 98c774739..488dc4025 100644
--- a/examples/o2m2types/ent/mutation.go
+++ b/examples/o2m2types/ent/mutation.go
@@ -138,7 +138,9 @@ func (m *PetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -501,7 +503,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -555,7 +559,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/o2mrecur/ent/mutation.go b/examples/o2mrecur/ent/mutation.go
index d55703d80..6468d6994 100644
--- a/examples/o2mrecur/ent/mutation.go
+++ b/examples/o2mrecur/ent/mutation.go
@@ -140,7 +140,9 @@ func (m *NodeMutation) Value() (r int, exists bool) {
 	return *v, true
 }
 
-// OldValue returns the old value value, if exists.
+// OldValue returns the old value value of the Node.
+// If the Node object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *NodeMutation) OldValue(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/o2o2types/ent/mutation.go b/examples/o2o2types/ent/mutation.go
index d8cc2f4fe..9a3eed5cc 100644
--- a/examples/o2o2types/ent/mutation.go
+++ b/examples/o2o2types/ent/mutation.go
@@ -140,7 +140,9 @@ func (m *CardMutation) Expired() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldExpired returns the old expired value, if exists.
+// OldExpired returns the old expired value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldExpired(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -175,7 +177,9 @@ func (m *CardMutation) Number() (r string, exists bool) {
 	return *v, true
 }
 
-// OldNumber returns the old number value, if exists.
+// OldNumber returns the old number value of the Card.
+// If the Card object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CardMutation) OldNumber(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -555,7 +559,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -609,7 +615,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/o2obidi/ent/mutation.go b/examples/o2obidi/ent/mutation.go
index d1ec97a01..67b1bbaec 100644
--- a/examples/o2obidi/ent/mutation.go
+++ b/examples/o2obidi/ent/mutation.go
@@ -139,7 +139,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -193,7 +195,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/o2orecur/ent/mutation.go b/examples/o2orecur/ent/mutation.go
index 2731f9410..52a0c06f0 100644
--- a/examples/o2orecur/ent/mutation.go
+++ b/examples/o2orecur/ent/mutation.go
@@ -140,7 +140,9 @@ func (m *NodeMutation) Value() (r int, exists bool) {
 	return *v, true
 }
 
-// OldValue returns the old value value, if exists.
+// OldValue returns the old value value of the Node.
+// If the Node object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *NodeMutation) OldValue(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/start/ent/mutation.go b/examples/start/ent/mutation.go
index bad77f325..02af4b138 100644
--- a/examples/start/ent/mutation.go
+++ b/examples/start/ent/mutation.go
@@ -142,7 +142,9 @@ func (m *CarMutation) Model() (r string, exists bool) {
 	return *v, true
 }
 
-// OldModel returns the old model value, if exists.
+// OldModel returns the old model value of the Car.
+// If the Car object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CarMutation) OldModel(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -177,7 +179,9 @@ func (m *CarMutation) RegisteredAt() (r time.Time, exists bool) {
 	return *v, true
 }
 
-// OldRegisteredAt returns the old registered_at value, if exists.
+// OldRegisteredAt returns the old registered_at value of the Car.
+// If the Car object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *CarMutation) OldRegisteredAt(ctx context.Context) (v time.Time, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -554,7 +558,9 @@ func (m *GroupMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -925,7 +931,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -979,7 +987,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
diff --git a/examples/traversal/ent/mutation.go b/examples/traversal/ent/mutation.go
index 63949d6cd..0f59b6ce0 100644
--- a/examples/traversal/ent/mutation.go
+++ b/examples/traversal/ent/mutation.go
@@ -142,7 +142,9 @@ func (m *GroupMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Group.
+// If the Group object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -567,7 +569,9 @@ func (m *PetMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the Pet.
+// If the Pet object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *PetMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -999,7 +1003,9 @@ func (m *UserMutation) Age() (r int, exists bool) {
 	return *v, true
 }
 
-// OldAge returns the old age value, if exists.
+// OldAge returns the old age value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldAge(ctx context.Context) (v int, err error) {
 	if !m.op.Is(OpUpdateOne) {
@@ -1053,7 +1059,9 @@ func (m *UserMutation) Name() (r string, exists bool) {
 	return *v, true
 }
 
-// OldName returns the old name value, if exists.
+// OldName returns the old name value of the User.
+// If the User object wasn't provided to the builder, the object is fetched
+// from the database.
 // An error is returned if the mutation operation is not UpdateOne, or database query fails.
 func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
 	if !m.op.Is(OpUpdateOne) {