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feat: add transaction support to postgres provider

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This commit is contained in:
kodemon
2025-10-05 21:51:04 +00:00
parent d55573b2db
commit 737d22ecf5
6 changed files with 97 additions and 68 deletions
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14
adapters/postgres/providers/snapshot.ts
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@@ -1,7 +1,7 @@
import type { Helper } from "postgres";
import type { Snapshot, SnapshotsProvider } from "../../../types/adapter.ts";
import type { PostgresDatabase } from "../database.ts";
import type { Options, PostgresDatabase } from "../database.ts";
type PGSnapshot = Omit<Snapshot, "state"> & { state: string };
@@ -26,8 +26,8 @@ export class PostgresSnapshotsProvider implements SnapshotsProvider {
* @param cursor - Cursor timestamp for the last event used in the snapshot.
* @param state - State of the reduced events.
*/
async insert(name: string, stream: string, cursor: string, state: any): Promise<void> {
await this.db.sql`
async insert(name: string, stream: string, cursor: string, state: any, { tx }: Options = {}): Promise<void> {
await (tx ?? this.db.sql)`
INSERT INTO ${this.table} ${this.db.sql(this.#toDriver({ name, stream, cursor, state }))}`.catch((error) => {
throw new Error(`EventStore > 'snapshots.insert' failed with postgres error: ${error.message}`);
});
@@ -39,8 +39,8 @@ export class PostgresSnapshotsProvider implements SnapshotsProvider {
* @param name - Name of the reducer which the state was created.
* @param stream - Stream the state was reduced for.
*/
async getByStream(name: string, stream: string): Promise<Snapshot | undefined> {
return this.db.sql<PGSnapshot[]>`SELECT * FROM ${this.table} WHERE name = ${name} AND stream = ${stream}`
async getByStream(name: string, stream: string, { tx }: Options = {}): Promise<Snapshot | undefined> {
return (tx ?? this.db.sql)<PGSnapshot[]>`SELECT * FROM ${this.table} WHERE name = ${name} AND stream = ${stream}`
.then(this.#fromDriver)
.then(([snapshot]) => snapshot)
.catch((error) => {
@@ -54,8 +54,8 @@ export class PostgresSnapshotsProvider implements SnapshotsProvider {
* @param name - Name of the reducer the snapshot is attached to.
* @param stream - Stream to remove from snapshots.
*/
async remove(name: string, stream: string): Promise<void> {
await this.db.sql`DELETE FROM ${this.table} WHERE name = ${name} AND stream = ${stream}`.catch((error) => {
async remove(name: string, stream: string, { tx }: Options = {}): Promise<void> {
await (tx ?? this.db.sql)`DELETE FROM ${this.table} WHERE name = ${name} AND stream = ${stream}`.catch((error) => {
throw new Error(`EventStore > 'snapshots.remove' failed with postgres error: ${error.message}`);
});
}