🎨 Identify the database view whether is a "mirror" https://github.com/siyuan-note/siyuan/issues/9578

kernel/model/attribute_view.go

@@ -142,6 +142,33 @@ func GetBlockAttributeViewKeys(blockID string) (ret []*BlockAttributeViewKeys) {
 		}
 
 		blockIDs := av.GetMirrorBlockIDs(avID)
+		if 1 > len(blockIDs) {
+			// 老数据兼容处理
+			avBts := treenode.GetBlockTreesByType("av")
+			for _, avBt := range avBts {
+				if nil == avBt {
+					continue
+				}
+				tree, _ := loadTreeByBlockID(avBt.ID)
+				if nil == tree {
+					continue
+				}
+				node := treenode.GetNodeInTree(tree, avBt.ID)
+				if nil == node {
+					continue
+				}
+				if avID == node.AttributeViewID {
+					blockIDs = append(blockIDs, avBt.ID)
+				}
+			}
+			if 1 > len(blockIDs) {
+				continue
+			}
+			blockIDs = gulu.Str.RemoveDuplicatedElem(blockIDs)
+			for _, blockID := range blockIDs {
+				av.UpsertBlockRel(avID, blockID)
+			}
+		}
 
 		ret = append(ret, &BlockAttributeViewKeys{
 			AvID:      avID,

kernel/treenode/blocktree.go

@@ -53,6 +53,21 @@ type BlockTree struct {
 	Type     string // 类型
 }
 
+func GetBlockTreesByType(typ string) (ret []*BlockTree) {
+	blockTrees.Range(func(key, value interface{}) bool {
+		slice := value.(*btSlice)
+		slice.m.Lock()
+		for _, b := range slice.data {
+			if b.Type == typ {
+				ret = append(ret, b)
+			}
+		}
+		slice.m.Unlock()
+		return true
+	})
+	return
+}
+
 func GetBlockTreeByPath(path string) (ret *BlockTree) {
 	blockTrees.Range(func(key, value interface{}) bool {
 		slice := value.(*btSlice)