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perf(server): avoid filter doc snapshot by non-indexed updatedAt (#8160)

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forehalo
2024-09-08 12:03:55 +00:00
parent 32d3769201
commit 87e9ff01b5
1 changed files with 6 additions and 8 deletions
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14
packages/backend/server/src/core/doc/adapters/workspace.ts
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@@ -143,6 +143,8 @@ export class PgWorkspaceDocStorageAdapter extends DocStorageAdapter {
}
async getSpaceDocTimestamps(workspaceId: string, after?: number) {
// TODO(@forehalo): do we need a [Clock] table to store the last seen time of each doc?
// SLOW if query DB in large workspace by `updatedAt: { gt: after }`
const snapshots = await this.db.snapshot.findMany({
select: {
id: true,
@@ -150,13 +152,6 @@ export class PgWorkspaceDocStorageAdapter extends DocStorageAdapter {
},
where: {
workspaceId,
...(after
? {
updatedAt: {
gt: new Date(after),
},
}
: {}),
},
});
@@ -165,6 +160,7 @@ export class PgWorkspaceDocStorageAdapter extends DocStorageAdapter {
workspaceId,
...(after
? {
// [createdAt] in updates table is indexed, so it's fast
createdAt: {
gt: new Date(after),
},
@@ -180,7 +176,9 @@ export class PgWorkspaceDocStorageAdapter extends DocStorageAdapter {
const result: Record<string, number> = {};
snapshots.forEach(s => {
result[s.id] = s.updatedAt.getTime();
if (!after || s.updatedAt.getTime() > after) {
result[s.id] = s.updatedAt.getTime();
}
});
updates.forEach(u => {