entc/gen: move predicates to mutation object (#825)

examples/m2m2types/ent/group_delete.go

@@ -20,14 +20,13 @@ import (
 // GroupDelete is the builder for deleting a Group entity.
 type GroupDelete struct {
 	config
-	hooks      []Hook
-	mutation   *GroupMutation
-	predicates []predicate.Group
+	hooks    []Hook
+	mutation *GroupMutation
 }
 
 // Where adds a new predicate to the delete builder.
 func (gd *GroupDelete) Where(ps ...predicate.Group) *GroupDelete {
-	gd.predicates = append(gd.predicates, ps...)
+	gd.mutation.predicates = append(gd.mutation.predicates, ps...)
 	return gd
 }
 
@@ -79,7 +78,7 @@ func (gd *GroupDelete) sqlExec(ctx context.Context) (int, error) {
 			},
 		},
 	}
-	if ps := gd.predicates; len(ps) > 0 {
+	if ps := gd.mutation.predicates; len(ps) > 0 {
 		_spec.Predicate = func(selector *sql.Selector) {
 			for i := range ps {
 				ps[i](selector)

examples/m2m2types/ent/group_update.go

@@ -21,14 +21,13 @@ import (
 // GroupUpdate is the builder for updating Group entities.
 type GroupUpdate struct {
 	config
-	hooks      []Hook
-	mutation   *GroupMutation
-	predicates []predicate.Group
+	hooks    []Hook
+	mutation *GroupMutation
 }
 
 // Where adds a new predicate for the builder.
 func (gu *GroupUpdate) Where(ps ...predicate.Group) *GroupUpdate {
-	gu.predicates = append(gu.predicates, ps...)
+	gu.mutation.predicates = append(gu.mutation.predicates, ps...)
 	return gu
 }
 
@@ -141,7 +140,7 @@ func (gu *GroupUpdate) sqlSave(ctx context.Context) (n int, err error) {
 			},
 		},
 	}
-	if ps := gu.predicates; len(ps) > 0 {
+	if ps := gu.mutation.predicates; len(ps) > 0 {
 		_spec.Predicate = func(selector *sql.Selector) {
 			for i := range ps {
 				ps[i](selector)

examples/m2m2types/ent/mutation.go

@@ -12,6 +12,7 @@ import (
 	"sync"
 
 	"github.com/facebook/ent/examples/m2m2types/ent/group"
+	"github.com/facebook/ent/examples/m2m2types/ent/predicate"
 	"github.com/facebook/ent/examples/m2m2types/ent/user"
 
 	"github.com/facebook/ent"
@@ -44,6 +45,7 @@ type GroupMutation struct {
 	clearedusers  bool
 	done          bool
 	oldValue      func(context.Context) (*Group, error)
+	predicates    []predicate.Group
 }
 
 var _ ent.Mutation = (*GroupMutation)(nil)
@@ -431,6 +433,7 @@ type UserMutation struct {
 	clearedgroups bool
 	done          bool
 	oldValue      func(context.Context) (*User, error)
+	predicates    []predicate.User
 }
 
 var _ ent.Mutation = (*UserMutation)(nil)

examples/m2m2types/ent/user_delete.go

@@ -20,14 +20,13 @@ import (
 // UserDelete is the builder for deleting a User entity.
 type UserDelete struct {
 	config
-	hooks      []Hook
-	mutation   *UserMutation
-	predicates []predicate.User
+	hooks    []Hook
+	mutation *UserMutation
 }
 
 // Where adds a new predicate to the delete builder.
 func (ud *UserDelete) Where(ps ...predicate.User) *UserDelete {
-	ud.predicates = append(ud.predicates, ps...)
+	ud.mutation.predicates = append(ud.mutation.predicates, ps...)
 	return ud
 }
 
@@ -79,7 +78,7 @@ func (ud *UserDelete) sqlExec(ctx context.Context) (int, error) {
 			},
 		},
 	}
-	if ps := ud.predicates; len(ps) > 0 {
+	if ps := ud.mutation.predicates; len(ps) > 0 {
 		_spec.Predicate = func(selector *sql.Selector) {
 			for i := range ps {
 				ps[i](selector)

examples/m2m2types/ent/user_update.go

@@ -21,14 +21,13 @@ import (
 // UserUpdate is the builder for updating User entities.
 type UserUpdate struct {
 	config
-	hooks      []Hook
-	mutation   *UserMutation
-	predicates []predicate.User
+	hooks    []Hook
+	mutation *UserMutation
 }
 
 // Where adds a new predicate for the builder.
 func (uu *UserUpdate) Where(ps ...predicate.User) *UserUpdate {
-	uu.predicates = append(uu.predicates, ps...)
+	uu.mutation.predicates = append(uu.mutation.predicates, ps...)
 	return uu
 }
 
@@ -154,7 +153,7 @@ func (uu *UserUpdate) sqlSave(ctx context.Context) (n int, err error) {
 			},
 		},
 	}
-	if ps := uu.predicates; len(ps) > 0 {
+	if ps := uu.mutation.predicates; len(ps) > 0 {
 		_spec.Predicate = func(selector *sql.Selector) {
 			for i := range ps {
 				ps[i](selector)