fix: don't append CASCADE by default in drop table/column queries

db.go

@@ -125,7 +125,7 @@ func (db *DB) NewDropColumn() *DropColumnQuery {
 
 func (db *DB) ResetModel(ctx context.Context, models ...interface{}) error {
 	for _, model := range models {
-		if _, err := db.NewDropTable().Model(model).IfExists().Exec(ctx); err != nil {
+		if _, err := db.NewDropTable().Model(model).IfExists().Cascade().Exec(ctx); err != nil {
 			return err
 		}
 		if _, err := db.NewCreateTable().Model(model).Exec(ctx); err != nil {

internal/dbtest/testdata/snapshots/TestQuery-pg-34

@@ -1 +1 @@
-DROP TABLE "models" CASCADE
+DROP TABLE "models"

internal/dbtest/testdata/snapshots/TestQuery-pg-42

@@ -1 +1 @@
-DROP INDEX CONCURRENTLY IF EXISTS title_idx CASCADE
+DROP INDEX CONCURRENTLY IF EXISTS title_idx

internal/dbtest/testdata/snapshots/TestQuery-pg-45

@@ -1 +1 @@
-TRUNCATE TABLE "models" RESTART IDENTITY CASCADE
+TRUNCATE TABLE "models" RESTART IDENTITY

internal/dbtest/testdata/snapshots/TestQuery-pgx-34

@@ -1 +1 @@
-DROP TABLE "models" CASCADE
+DROP TABLE "models"

internal/dbtest/testdata/snapshots/TestQuery-pgx-42

@@ -1 +1 @@
-DROP INDEX CONCURRENTLY IF EXISTS title_idx CASCADE
+DROP INDEX CONCURRENTLY IF EXISTS title_idx

internal/dbtest/testdata/snapshots/TestQuery-pgx-45

@@ -1 +1 @@
-TRUNCATE TABLE "models" RESTART IDENTITY CASCADE
+TRUNCATE TABLE "models" RESTART IDENTITY

query_base.go

@@ -951,17 +951,19 @@ func (q setQuery) appendSet(fmter schema.Formatter, b []byte) (_ []byte, err err
 //------------------------------------------------------------------------------
 
 type cascadeQuery struct {
+	cascade  bool
 	restrict bool
 }
 
 func (q cascadeQuery) appendCascade(fmter schema.Formatter, b []byte) []byte {
 	if !fmter.HasFeature(feature.TableCascade) {
 		return b
 	}
+	if q.cascade {
+		b = append(b, " CASCADE"...)
+	}
 	if q.restrict {
 		b = append(b, " RESTRICT"...)
-	} else {
-		b = append(b, " CASCADE"...)
 	}
 	return b
 }

query_index_drop.go

@@ -50,6 +50,11 @@ func (q *DropIndexQuery) IfExists() *DropIndexQuery {
 	return q
 }
 
+func (q *DropIndexQuery) Cascade() *DropIndexQuery {
+	q.cascade = true
+	return q
+}
+
 func (q *DropIndexQuery) Restrict() *DropIndexQuery {
 	q.restrict = true
 	return q

query_table_drop.go

@@ -61,6 +61,11 @@ func (q *DropTableQuery) IfExists() *DropTableQuery {
 	return q
 }
 
+func (q *DropTableQuery) Cascade() *DropTableQuery {
+	q.cascade = true
+	return q
+}
+
 func (q *DropTableQuery) Restrict() *DropTableQuery {
 	q.restrict = true
 	return q

query_table_truncate.go

@@ -57,6 +57,11 @@ func (q *TruncateTableQuery) ContinueIdentity() *TruncateTableQuery {
 	return q
 }
 
+func (q *TruncateTableQuery) Cascade() *TruncateTableQuery {
+	q.cascade = true
+	return q
+}
+
 func (q *TruncateTableQuery) Restrict() *TruncateTableQuery {
 	q.restrict = true
 	return q