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feat: improve workspace list perf

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This commit is contained in:
DarkSky
2025-12-31 22:59:52 +08:00
parent bc03fab649
commit 20c4951847
4 changed files with 43 additions and 4 deletions
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7
packages/backend/server/src/models/doc.ts
View File

@@ -149,6 +149,7 @@ export class DocModel extends BaseModel {
async upsert(doc: Doc) {
const { spaceId, docId, blob, timestamp, editorId } = doc;
const updatedAt = new Date(timestamp);
const size = blob.byteLength ?? blob.length;
// CONCERNS:
// i. Because we save the real user's last seen action time as `updatedAt`,
// it's possible to simply compare the `updatedAt` to determine if the snapshot is older than the one we are going to save.
@@ -158,10 +159,10 @@ export class DocModel extends BaseModel {
// where: { workspaceId_id: {}, updatedAt: { lt: updatedAt } }
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
const result: { updatedAt: Date }[] = await this.db.$queryRaw`
INSERT INTO "snapshots" ("workspace_id", "guid", "blob", "created_at", "updated_at", "created_by", "updated_by")
VALUES (${spaceId}, ${docId}, ${blob}, DEFAULT, ${updatedAt}, ${editorId}, ${editorId})
INSERT INTO "snapshots" ("workspace_id", "guid", "blob", "size", "created_at", "updated_at", "created_by", "updated_by")
VALUES (${spaceId}, ${docId}, ${blob}, ${size}, DEFAULT, ${updatedAt}, ${editorId}, ${editorId})
ON CONFLICT ("workspace_id", "guid")
DO UPDATE SET "blob" = ${blob}, "updated_at" = ${updatedAt}, "updated_by" = ${editorId}
DO UPDATE SET "blob" = ${blob}, "size" = ${size}, "updated_at" = ${updatedAt}, "updated_by" = ${editorId}
WHERE "snapshots"."workspace_id" = ${spaceId} AND "snapshots"."guid" = ${docId} AND "snapshots"."updated_at" <= ${updatedAt}
RETURNING "snapshots"."workspace_id" as "workspaceId", "snapshots"."guid" as "id", "snapshots"."updated_at" as "updatedAt"
`;

2
packages/backend/server/src/models/workspace.ts
View File

@@ -211,7 +211,7 @@ export class WorkspaceModel extends BaseModel {
),
snapshot_stats AS (
SELECT workspace_id,
SUM(octet_length(blob)) AS snapshot_size,
SUM(COALESCE(size, octet_length(blob))) AS snapshot_size,
COUNT(*) AS snapshot_count
FROM snapshots
GROUP BY workspace_id