Question: How to reuse a query / share where clauses?

Issue type: [x] question

Database system/driver: [x] postgres

TypeORM version: [x] latest

Hello!

I’m trying to run a few queries which share common where clauses/joins, I thought i could do something like this:

const query = Booking.createQueryBuilder("booking")
	.where("booking.spaceId = :spaceId", { spaceId: space.id })
	.andWhere("booking.admin = FALSE")
	.andWhere("booking.date BETWEEN :begin AND :end", {
		begin,
		end,
	})

const totalBookings = await query.getCount()

const totalCancelled = await query
	.andWhere("booking.cancelled = TRUE")
	.getCount()

const totalTrial = await query
	.andWhere("booking.trial = TRUE")
	.getCount()

But it seems that by the time it runs the totalTrial query it’s combined all the previous queries, i assume this is because i’m “mutating” the original query. I’ve tried using getQuery()/getSql()/subQuery(), but i dont really know how to use those and cant find anything in the docs about sharing queries. So my question is: what is the best way to do what im trying to do?

[imnotjames]

This is not currently possible - your best bet would be to create a helper function that creates a new query builder with your desired extra options.

[imnotjames]

I’m doin’ my best! There’s about 1800 left to get through.

And for other questions, please check out the community slack or check TypeORM’s documentation page on other support avenues - cheers!