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perf(database): ⚡ Improve performance when fetching timelines by fetching all data in a single SQL query

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Jesse Wierzbinski 2024-05-08 13:19:53 -10:00
parent 26dfd14aaf
commit e48f57a3d8
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24 changed files with 158 additions and 89 deletions
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4
database/entities/Notification.ts
View file

@ -21,6 +21,7 @@ export type NotificationWithRelations = Notification & {
export const findManyNotifications = async (
query: Parameters<typeof db.query.Notifications.findMany>[0],
userId?: string,
): Promise<NotificationWithRelations[]> => {
const output = await db.query.Notifications.findMany({
...query,
@ -42,7 +43,8 @@ export const findManyNotifications = async (
output.map(async (notif) => ({
...notif,
account: transformOutputToUserWithRelations(notif.account),
status: (await Note.fromId(notif.noteId))?.getStatus() ?? null,
status:
(await Note.fromId(notif.noteId, userId))?.getStatus() ?? null,
})),
);
};

53
database/entities/Status.ts
View file

@ -61,6 +61,10 @@ export type StatusWithRelations = Status & {
reblogCount: number;
likeCount: number;
replyCount: number;
pinned: boolean;
reblogged: boolean;
muted: boolean;
liked: boolean;
};
export type StatusWithoutRecursiveRelations = Omit<
@ -75,6 +79,7 @@ export type StatusWithoutRecursiveRelations = Omit<
*/
export const findManyNotes = async (
query: Parameters<typeof db.query.Notes.findMany>[0],
userId?: string,
): Promise<StatusWithRelations[]> => {
const output = await db.query.Notes.findMany({
...query,
@ -149,6 +154,26 @@ export const findManyNotes = async (
sql`(SELECT COUNT(*) FROM "Notes" WHERE "Notes"."replyId" = "Notes_reblog".id)`.as(
"reply_count",
),
pinned: userId
? sql`EXISTS (SELECT 1 FROM "UserToPinnedNotes" WHERE "UserToPinnedNotes"."noteId" = "Notes_reblog".id AND "UserToPinnedNotes"."userId" = ${userId})`.as(
"pinned",
)
: sql`false`.as("pinned"),
reblogged: userId
? sql`EXISTS (SELECT 1 FROM "Notes" WHERE "Notes"."authorId" = ${userId} AND "Notes"."reblogId" = "Notes_reblog".id)`.as(
"reblogged",
)
: sql`false`.as("reblogged"),
muted: userId
? sql`EXISTS (SELECT 1 FROM "Relationships" WHERE "Relationships"."ownerId" = ${userId} AND "Relationships"."subjectId" = "Notes_reblog"."authorId" AND "Relationships"."muting" = true)`.as(
"muted",
)
: sql`false`.as("muted"),
liked: userId
? sql`EXISTS (SELECT 1 FROM "Likes" WHERE "Likes"."likedId" = "Notes_reblog".id AND "Likes"."likerId" = ${userId})`.as(
"liked",
)
: sql`false`.as("liked"),
},
},
reply: true,
@ -167,6 +192,26 @@ export const findManyNotes = async (
sql`(SELECT COUNT(*) FROM "Notes" WHERE "Notes"."replyId" = "Notes".id)`.as(
"reply_count",
),
pinned: userId
? sql`EXISTS (SELECT 1 FROM "UserToPinnedNotes" WHERE "UserToPinnedNotes"."noteId" = "Notes".id AND "UserToPinnedNotes"."userId" = ${userId})`.as(
"pinned",
)
: sql`false`.as("pinned"),
reblogged: userId
? sql`EXISTS (SELECT 1 FROM "Notes" WHERE "Notes"."authorId" = ${userId} AND "Notes"."reblogId" = "Notes".id)`.as(
"reblogged",
)
: sql`false`.as("reblogged"),
muted: userId
? sql`EXISTS (SELECT 1 FROM "Relationships" WHERE "Relationships"."ownerId" = ${userId} AND "Relationships"."subjectId" = "Notes"."authorId" AND "Relationships"."muting" = true)`.as(
"muted",
)
: sql`false`.as("muted"),
liked: userId
? sql`EXISTS (SELECT 1 FROM "Likes" WHERE "Likes"."likedId" = "Notes".id AND "Likes"."likerId" = ${userId})`.as(
"liked",
)
: sql`false`.as("liked"),
...query?.extras,
},
});
@ -190,10 +235,18 @@ export const findManyNotes = async (
reblogCount: Number(post.reblog.reblogCount),
likeCount: Number(post.reblog.likeCount),
replyCount: Number(post.reblog.replyCount),
pinned: Boolean(post.reblog.pinned),
reblogged: Boolean(post.reblog.reblogged),
muted: Boolean(post.reblog.muted),
liked: Boolean(post.reblog.liked),
},
reblogCount: Number(post.reblogCount),
likeCount: Number(post.likeCount),
replyCount: Number(post.replyCount),
pinned: Boolean(post.pinned),
reblogged: Boolean(post.reblogged),
muted: Boolean(post.muted),
liked: Boolean(post.liked),
}));
};