Firestore querysnapshot size

[Jean Omberto]

Good day,

Can someone let me know if there is a cost associated with checking the querysnapshot size ?
Eg a collection of 5000 documentsnapshots, checked using the size property, is there any read-cost for that?

I don't seem to find that on the billing documentation page at :

https://firebase.google.com/docs/firestore/pricing

Regards,
Jean.

[Sam Stern]

Hi Jean,

Fetching a snapshot with 5000 documents from the server will cost 5000 reads ($0.009 in a US multiregion).  Calling .size() on the snapshot does not affect that cost at all, that's a local operation.

- Sam

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[Jean Omberto]

Hallo Sam,
Thank you for the explanation.
It is enlightening to know that getting the snapshot size alone doesn't cost a dime.
Again, thanks
Jean.

On 2 Nov 2020 12:34, "'Sam Stern' via Firebase Google Group" <fireba...@googlegroups.com> wrote:

Hi Jean,

Fetching a snapshot with 5000 documents from the server will cost 5000 reads ($0.009 in a US multiregion).  Calling .size() on the snapshot does not affect that cost at all, that's a local operation.

- Sam

On Sat, Oct 31, 2020 at 6:30 PM Jean Omberto <ombe...@gmail.com> wrote:

Good day,

Can someone let me know if there is a cost associated with checking the querysnapshot size ?
Eg a collection of 5000 documentsnapshots, checked using the size property, is there any read-cost for that?

I don't seem to find that on the billing documentation page at :

https://firebase.google.com/docs/firestore/pricing

Regards,
Jean.

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