Fix default mode set KV V2 bug

Author: edocsss

internal/google/store/kv_v2.go

@@ -3,6 +3,7 @@ package store
 import (
 	"context"
 	"fmt"
+
 	"github.com/FreeLeh/GoFreeDB/internal/codec"
 	"github.com/FreeLeh/GoFreeDB/internal/google/sheets"
 	"github.com/FreeLeh/GoFreeDB/internal/models"
@@ -67,6 +68,14 @@ func (s *GoogleSheetKVStoreV2) Set(ctx context.Context, key string, value []byte
 		return err
 	}
 
+	if s.mode == models.KVModeDefault {
+		if err := s.rowStore.Delete().
+			Where("key = ?", key).
+			Exec(ctx); err != nil {
+			return err
+		}
+	}
+
 	row := googleSheetKVStoreV2Row{
 		Key:   key,
 		Value: encoded,

internal/google/store/kv_v2_test.go

@@ -3,11 +3,12 @@ package store
 import (
 	"context"
 	"fmt"
-	"github.com/FreeLeh/GoFreeDB/internal/common"
-	"github.com/FreeLeh/GoFreeDB/internal/models"
 	"testing"
 	"time"
 
+	"github.com/FreeLeh/GoFreeDB/internal/common"
+	"github.com/FreeLeh/GoFreeDB/internal/models"
+
 	"github.com/FreeLeh/GoFreeDB/google/auth"
 	"github.com/stretchr/testify/assert"
 )
@@ -102,6 +103,11 @@ func TestNewGoogleSheetKVStoreV2_Default_Integration(t *testing.T) {
 	err = kv.Set(context.Background(), "k1", []byte("test2"))
 	assert.Nil(t, err)
 
+	time.Sleep(time.Second)
+	value, err = kv.Get(context.Background(), "k1")
+	assert.Equal(t, []byte("test2"), value)
+	assert.Nil(t, err)
+
 	time.Sleep(time.Second)
 	err = kv.Delete(context.Background(), "k1")
 	assert.Nil(t, err)