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go-gorm · Aug 1, 2024 · 38fb45f · 38fb45f
1 parent e483cd9
commit 38fb45f
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/migrator/migrator.go b/migrator/migrator.go
@@ -759,7 +759,8 @@ func (m Migrator) CreateConstraint(value interface{}, name string) error {
 func (m Migrator) DropConstraint(value interface{}, name string) error {
 	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
 		if !m.HasConstraint(value, name) {
-			return nil
+			constraint, _ := m.GuessConstraintInterfaceAndTable(stmt, name)
+			return errors.New(fmt.Sprintf("Can't find constraint for %q, with guessed name %q", name, constraint))
 		}
 		constraint, table := m.GuessConstraintInterfaceAndTable(stmt, name)
 		if constraint != nil {

diff --git a/tests/migrate_test.go b/tests/migrate_test.go
@@ -681,6 +681,10 @@ func TestMigrateConstraint(t *testing.T) {
 			DB.Migrator().CreateConstraint(&User{}, name)
 		}
 
+		if !DB.Migrator().HasConstraint(&User{}, name) {
+			t.Fatalf("failed to create constraint %v", name)
+		}
+
 		if err := DB.Migrator().DropConstraint(&User{}, name); err != nil {
 			t.Fatalf("failed to drop constraint %v, got error %v", name, err)
 		}