remove unused field

backend/internal/data/ent/ent.go

@@ -45,6 +45,32 @@ type (
 	MutateFunc    = ent.MutateFunc
 )
 
+type clientCtxKey struct{}
+
+// FromContext returns a Client stored inside a context, or nil if there isn't one.
+func FromContext(ctx context.Context) *Client {
+	c, _ := ctx.Value(clientCtxKey{}).(*Client)
+	return c
+}
+
+// NewContext returns a new context with the given Client attached.
+func NewContext(parent context.Context, c *Client) context.Context {
+	return context.WithValue(parent, clientCtxKey{}, c)
+}
+
+type txCtxKey struct{}
+
+// TxFromContext returns a Tx stored inside a context, or nil if there isn't one.
+func TxFromContext(ctx context.Context) *Tx {
+	tx, _ := ctx.Value(txCtxKey{}).(*Tx)
+	return tx
+}
+
+// NewTxContext returns a new context with the given Tx attached.
+func NewTxContext(parent context.Context, tx *Tx) context.Context {
+	return context.WithValue(parent, txCtxKey{}, tx)
+}
+
 // OrderFunc applies an ordering on the sql selector.
 type OrderFunc func(*sql.Selector)
 
@@ -503,7 +529,7 @@ func withHooks[V Value, M any, PM interface {
 		return exec(ctx)
 	}
 	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
-		mutationT, ok := m.(PM)
+		mutationT, ok := any(m).(PM)
 		if !ok {
 			return nil, fmt.Errorf("unexpected mutation type %T", m)
 		}