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Hey, is there a way to log the generated query?

I tried this but it did not printed out the queries.

export const db = new Kysely<ModelTypeMap>({
  dialect: new PostgresDialect({
    host: "localhost",
    database: "postgres",
    password: "postgres",
    user: "postgres",
    log: (message) => {;

// Output

checking client timeout
connecting new client
new client connected
pulse queue
no queued requests
    id: 2,
    slug: 'a',
    name: 'a',
    last_updated: 2021-11-29T11:51:27.581Z,
    thumbnail_url: 'aa',
    default_source: 'a',
    status: 'ENABLED'
remove idle client

Issue Analytics

  • State:closed
  • Created 2 years ago
  • Comments:9 (7 by maintainers)

github_iconTop GitHub Comments

koskimascommented, Dec 11, 2021

@AzSiAz 0.11.3 now supports a custom logger function:

const db = new Kysely<Database>({
  dialect: new PostgresDialect(postgresConfig),
  log(event) {
    if (event.level === 'query') {
koskimascommented, Nov 30, 2021

There’s currently no built-in way to log queries in Kysely. The parameters the PostgresDialect takes are passed directly to the pg module.

You can get the compiled sql like this for any query:

const sql = db


I’ll add an easier way to debug queries soon.

Read more comments on GitHub >

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