fix: append slice values

internal/dbtest/query_test.go

@@ -662,6 +662,15 @@ func TestQuery(t *testing.T) {
 			}
 			return db.NewInsert().Model(new(Model))
 		},
+		func(db *bun.DB) schema.QueryAppender {
+			models := []Model{
+				{42, "hello"},
+				{43, "foo"},
+			}
+			return db.NewInsert().
+				Model(&models).
+				Value("extra", "?", "custom")
+		},
 	}
 
 	timeRE := regexp.MustCompile(`'\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+(\+\d{2}:\d{2})?'`)

internal/dbtest/testdata/snapshots/TestQuery-mariadb-107

@@ -0,0 +1 @@
+INSERT INTO `models` (`id`, `str`, `extra`) VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

internal/dbtest/testdata/snapshots/TestQuery-mysql5-107

@@ -0,0 +1 @@
+INSERT INTO `models` (`id`, `str`, `extra`) VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

internal/dbtest/testdata/snapshots/TestQuery-mysql8-107

@@ -0,0 +1 @@
+INSERT INTO `models` (`id`, `str`, `extra`) VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

internal/dbtest/testdata/snapshots/TestQuery-pg-107

@@ -0,0 +1 @@
+INSERT INTO "models" ("id", "str", "extra") VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

internal/dbtest/testdata/snapshots/TestQuery-pgx-107

@@ -0,0 +1 @@
+INSERT INTO "models" ("id", "str", "extra") VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

internal/dbtest/testdata/snapshots/TestQuery-sqlite-107

@@ -0,0 +1 @@
+INSERT INTO "models" ("id", "str", "extra") VALUES (42, 'hello', 'custom'), (43, 'foo', 'custom', 'custom')

query_insert.go

@@ -353,17 +353,6 @@ func (q *InsertQuery) appendSliceValues(
 		}
 	}
 
-	for i, v := range q.extraValues {
-		if i > 0 || len(fields) > 0 {
-			b = append(b, ", "...)
-		}
-
-		b, err = v.value.AppendQuery(fmter, b)
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	return b, nil
 }