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dfahlander avatar dfahlander commented on June 7, 2024 1
function executePaginatedQuery(t: Table, params: {
  start: number,
  length: number,
  filter?: (x: object) => boolean,
  order: {name: string, dir: 'asc' | 'desc'}})
{
  let collection = t
    .orderBy(params.order.name) // Requires that this property is indexed
    .offset(params.start)
    .limit(params.length);
  if (params.order.dir === 'desc') {
    collection = collection.reverse();
  }
  if (params.filter) {
    collection = collection.filter(params.filter);
  }
  return collection.toArray();
}

from dexie.js.

tacman avatar tacman commented on June 7, 2024 1

Thanks!

Shouldn't the offset and limit be at the end? That is, sort and filter first, then slice?

I've tweaked my code and now it's working, thanks very much! I see the problem is that I wasn't cascading the promise, but it makes sense now.

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dfahlander avatar dfahlander commented on June 7, 2024

That's true, filter should be first, logically

from dexie.js.

tacman avatar tacman commented on June 7, 2024

Thanks!

from dexie.js.

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