connection: rewrote query execution, batching, added generic sqlite, added node/bun sqlite, aligned repo/mutator results

This commit is contained in:
dswbx
2025-06-12 09:02:18 +02:00
parent 88419548c7
commit 6c2e579596
40 changed files with 990 additions and 649 deletions

View File

@@ -1,65 +1,42 @@
/// <reference types="@cloudflare/workers-types" />
import { KyselyPluginRunner, SqliteConnection, SqliteIntrospector } from "bknd/data";
import type { QB } from "data/connection/Connection";
import { type DatabaseIntrospector, Kysely, ParseJSONResultsPlugin } from "kysely";
import { SqliteConnection } from "bknd/data";
import type { ConnQuery, ConnQueryResults } from "data/connection/Connection";
import { D1Dialect } from "kysely-d1";
export type D1ConnectionConfig<DB extends D1Database | D1DatabaseSession = D1Database> = {
binding: DB;
};
class CustomD1Dialect extends D1Dialect {
override createIntrospector(db: Kysely<any>): DatabaseIntrospector {
return new SqliteIntrospector(db, {
excludeTables: ["_cf_KV", "_cf_METADATA"],
});
}
}
export class D1Connection<
DB extends D1Database | D1DatabaseSession = D1Database,
> extends SqliteConnection {
> extends SqliteConnection<DB> {
override name = "sqlite-d1";
protected override readonly supported = {
batching: true,
softscans: false,
};
constructor(private config: D1ConnectionConfig<DB>) {
const plugins = [new ParseJSONResultsPlugin()];
const kysely = new Kysely({
dialect: new CustomD1Dialect({ database: config.binding as D1Database }),
plugins,
super({
excludeTables: ["_cf_KV", "_cf_METADATA"],
dialect: D1Dialect,
dialectArgs: [{ database: config.binding as D1Database }],
});
super(kysely, {}, plugins);
}
get client(): DB {
return this.config.binding;
}
override async executeQueries<O extends ConnQuery[]>(...qbs: O): Promise<ConnQueryResults<O>> {
const compiled = this.getCompiled(...qbs);
protected override async batch<Queries extends QB[]>(
queries: [...Queries],
): Promise<{
[K in keyof Queries]: Awaited<ReturnType<Queries[K]["execute"]>>;
}> {
const db = this.config.binding;
const res = await db.batch(
queries.map((q) => {
const { sql, parameters } = q.compile();
compiled.map(({ sql, parameters }) => {
return db.prepare(sql).bind(...parameters);
}),
);
// let it run through plugins
const kyselyPlugins = new KyselyPluginRunner(this.plugins);
const data: any = [];
for (const r of res) {
const rows = await kyselyPlugins.transformResultRows(r.results);
data.push(rows);
}
return data;
return this.withTransformedRows(res, "results") as any;
}
}