:zap: Improve performance for rendering databases, due flashcards

kernel/api/notebook.go

@@ -244,7 +244,7 @@ func openNotebook(c *gin.Context) {
 					"20240530133126-axarxgx": "20240530101000-4qitucx",
 				}
 				startID = guideStartID[notebook]
-				if nil != treenode.GetBlockTree(startID) {
+				if treenode.ExistBlockTree(startID) {
 					util.BroadcastByTypeAndApp("main", app, "openFileById", 0, "", map[string]interface{}{
 						"id": startID,
 					})

kernel/model/attribute_view.go

@@ -199,7 +199,7 @@ func GetAttributeViewPrimaryKeyValues(avID, keyword string, page, pageSize int)
 			switch view.LayoutType {
 			case av.LayoutTypeTable:
 				if !kv.IsDetached {
-					if nil == treenode.GetBlockTree(kv.BlockID) {
+					if !treenode.ExistBlockTree(kv.BlockID) {
 						break
 					}
 				}

kernel/model/blockinfo.go

@@ -71,17 +71,17 @@ func GetDocInfo(blockID string) (ret *BlockInfo) {
 			delete(ret.IAL, "scroll")
 		} else {
 			if zoomInId := scroll["zoomInId"]; nil != zoomInId {
-				if nil == treenode.GetBlockTree(zoomInId.(string)) {
+				if !treenode.ExistBlockTree(zoomInId.(string)) {
 					delete(ret.IAL, "scroll")
 				}
 			} else {
 				if startId := scroll["startId"]; nil != startId {
-					if nil == treenode.GetBlockTree(startId.(string)) {
+					if !treenode.ExistBlockTree(startId.(string)) {
 						delete(ret.IAL, "scroll")
 					}
 				}
 				if endId := scroll["endId"]; nil != endId {
-					if nil == treenode.GetBlockTree(endId.(string)) {
+					if !treenode.ExistBlockTree(endId.(string)) {
 						delete(ret.IAL, "scroll")
 					}
 				}

kernel/model/flashcard.go

@@ -1085,7 +1085,7 @@ func getDeckDueCards(deck *riff.Deck, reviewedCardIDs, blockIDs []string, newCar
 			continue
 		}
 
-		if nil == treenode.GetBlockTree(c.BlockID()) {
+		if !treenode.ExistBlockTree(c.BlockID()) {
 			continue
 		}
 

kernel/sql/av.go

@@ -111,6 +111,7 @@ func RenderAttributeViewTable(attrView *av.AttributeView, view *av.View, query s
 
 	// 过滤掉不存在的行
 	var notFound []string
+	var toCheckBlockIDs []string
 	for blockID, keyValues := range rows {
 		blockValue := getRowBlockValue(keyValues)
 		if nil == blockValue {
@@ -127,7 +128,11 @@ func RenderAttributeViewTable(attrView *av.AttributeView, view *av.View, query s
 			continue
 		}
 
-		if nil == treenode.GetBlockTree(blockID) {
+		toCheckBlockIDs = append(toCheckBlockIDs, blockID)
+	}
+	checkRet := treenode.ExistBlockTrees(toCheckBlockIDs)
+	for blockID, exist := range checkRet {
+		if !exist {
 			notFound = append(notFound, blockID)
 		}
 	}

kernel/treenode/blocktree.go

@@ -304,6 +304,30 @@ func ExistBlockTree(id string) bool {
 	return 0 < count
 }
 
+func ExistBlockTrees(ids []string) (ret map[string]bool) {
+	ret = map[string]bool{}
+	for _, id := range ids {
+		ret[id] = false
+	}
+
+	sqlStmt := "SELECT id FROM blocktrees WHERE id IN ('" + strings.Join(ids, "','") + "')"
+	rows, err := db.Query(sqlStmt)
+	if nil != err {
+		logging.LogErrorf("sql query [%s] failed: %s", sqlStmt, err)
+		return
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var id string
+		if err = rows.Scan(&id); nil != err {
+			logging.LogErrorf("query scan field failed: %s", err)
+			return
+		}
+		ret[id] = true
+	}
+	return
+}
+
 func GetBlockTrees(ids []string) (ret map[string]*BlockTree) {
 	ret = map[string]*BlockTree{}
 	sqlStmt := "SELECT * FROM blocktrees WHERE id IN ('" + strings.Join(ids, "','") + "')"