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perf(svelte-ui): use drizzle select API
This patch uses the Drizzle select API instead of the query API to reduce overhead. We only select the first look for each collection and use a single query with two LEFT JOINs to accomplish a nearly identical UX that is 10x faster.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,54 +1,30 @@ | ||
| import { asc, ilike, sql } from "drizzle-orm" | ||
| import { desc, ilike, and, eq, sql } from "drizzle-orm" | ||
| import * as tables from "$lib/server/db/schema/tables" | ||
| import { db } from "$lib/server/db" | ||
|
|
||
| const collectionsPageQuery = db.query.collection | ||
| .findMany({ | ||
| columns: { id: true, name: true, level: true, location: true, sex: true }, | ||
| with: { | ||
| brand: { | ||
| columns: { | ||
| id: true, | ||
| name: true, | ||
| }, | ||
| }, | ||
| season: { | ||
| columns: { id: true, year: true, name: true }, | ||
| }, | ||
| looks: { | ||
| columns: { id: true, number: true }, | ||
| with: { | ||
| images: { | ||
| limit: 1, | ||
| columns: { id: true, url: true }, | ||
| }, | ||
| }, | ||
| orderBy: [asc(tables.look.number)], | ||
| }, | ||
| }, | ||
| where: ilike(tables.collection.name, sql.placeholder("search")), | ||
| orderBy: [ | ||
| asc(tables.collection.name), | ||
| asc(tables.collection.level), | ||
| asc(tables.collection.sex), | ||
| ], | ||
| limit: sql.placeholder("limit"), | ||
| const query = db | ||
| .selectDistinctOn([tables.collection.name], { | ||
| collectionId: tables.collection.id, | ||
| collectionName: tables.collection.name, | ||
| collectionDate: tables.collection.date, | ||
| collectionLocation: tables.collection.location, | ||
| lookNumber: tables.look.number, | ||
| lookImageUrl: tables.image.url, | ||
| }) | ||
| .prepare("collectionsPageQuery") | ||
| .from(tables.collection) | ||
| .leftJoin( | ||
| tables.look, | ||
| and( | ||
| eq(tables.look.collectionId, tables.collection.id), | ||
| eq(tables.look.number, 1), | ||
| ), | ||
| ) | ||
| .leftJoin(tables.image, eq(tables.image.lookId, tables.look.id)) | ||
| .orderBy(desc(tables.collection.name)) | ||
| .where(ilike(tables.collection.name, sql.placeholder("search"))) | ||
| .prepare("collections") | ||
|
|
||
| export async function load({ url }) { | ||
| const search = url.searchParams.get("q") ?? "" | ||
| const query = collectionsPageQuery.getQuery() | ||
| let sql = query.sql | ||
| for (let i = 0; i < query.params.length; i++) { | ||
| sql = sql.replace(`$${i + 1}`, `${query.params[i]}`) | ||
| } | ||
| return { | ||
| search, | ||
| sql, | ||
| collections: collectionsPageQuery.execute({ | ||
| search: `%${search}%`, | ||
| limit: search ? 100_000 : 100, | ||
| }), | ||
| } | ||
| return { collections: query.execute({ search: `%${search}%` }) } | ||
| } |
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