5 replies

Passing transaction to functions

Hey everyone. Quite new to the drizzle sphere. Coming from Go, i am quite used to passing db transactions from function to function, to be able to orchestrate a bigger function from smaller ones.

As an example, say i have some music track. each track can have multiple genres, and each genre could be associated with different tracks - a many-to-many relationship.

Essentially, i would love to be able to create this chain of functions:

const getCompleteTrackById(id: number): Promise<CompleteTrack> => {
  await db.transaction(async (tx) => {
    const baseEvent = await getTrackById(tx, id);
    const genres = await getTrackGenres(tx, id);
    return {
      ...baseEvent,
      genres,
    }
})

const getCompleteTrackById(id: number): Promise<CompleteTrack> => {
  await db.transaction(async (tx) => {
    const baseEvent = await getTrackById(tx, id);
    const genres = await getTrackGenres(tx, id);
    return {
      ...baseEvent,
      genres,
    }
})

This, to make me able to use the

getTrackGenres

getTrackGenres

function independently for other types of queries, aswell as make code more readable. Is this possible somehow with TypeScript?

Thanks in advance!

Drizzle Team•15mo ago•

5 replies

mattiskristensen

Passing transaction to functions

const getCompleteTrackById(id: number): Promise<CompleteTrack> => {
  await db.transaction(async (tx) => {
    const baseEvent = await getTrackById(tx, id);
    const genres = await getTrackGenres(tx, id);
    return {
      ...baseEvent,
      genres,
    }
})

const getCompleteTrackById(id: number): Promise<CompleteTrack> => {
  await db.transaction(async (tx) => {
    const baseEvent = await getTrackById(tx, id);
    const genres = await getTrackGenres(tx, id);
    return {
      ...baseEvent,
      genres,
    }
})

This, to make me able to use the

getTrackGenres

getTrackGenres

function independently for other types of queries, aswell as make code more readable. Is this possible somehow with TypeScript?

Thanks in advance!

Passing transaction to functions

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