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Hi!
I am trying to paginate my request which uses offset pagination. My response looks like this. The response.countEmail is the total number of items and I would like to set my limit to 100.
{
"meta": {
"uuid": "01838f28-8c7d-c2b1-a515-827392568e57",
"errors": []
},
"response": {
"countEmail": 99356,
"countSMS": 0,
"sent": 176775,
"opened": 77419,
"clicked": 14406,
"responded": 5924,
"invitations": [
{
"firstName": "XXX",
"lastName": "XXX",
"contact": "XXX",
"templateId": 2164,
"status": "ACCEPTED",
"entity": {
"id": "200"
},
"type": "EMAIL",
"requested": 1664201450000,
"sent": 1664201475000,
"opened": 1664536963000,
"invitationUid": "1a41ae53-d7d9-46c7-b53a-6b1a60a0fcb5",
"feedbackUrl": "XXX"
}
...
What is the proper way to set the offset = to the previous limit + 100 until all of the countEmails have ben returned?
I have already tried a solution similar to this one https://community.powerbi.com/t5/Desktop/Automatic-pagination-with-incrementing-offset/m-p/1797504#M... and it is not working for my query.
Solved! Go to Solution.
So you know your total count, and your desired return size. You don't need to worry about the previous limit. Use a generator to craft all the URLs, then call all the URLs, then combine the results.
Note that the list starts at 100 since you already fetched the entry at offset 0.
let
Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WsrQ0NjVTio0FAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [CountEmail = _t]),
#"Changed Type" = Table.TransformColumnTypes(Source,{{"CountEmail", Int64.Type}}),
#"Added Custom" = Table.AddColumn(#"Changed Type", "Custom", each let c = [CountEmail] in List.Generate(()=>100,each _ < c, each _+ 100)),
#"Expanded Custom" = Table.ExpandListColumn(#"Added Custom", "Custom"),
#"Added Custom1" = Table.AddColumn(#"Expanded Custom", "URL", each "https:///api.site.com?offset=" & Text.From([Custom]))
in
#"Added Custom1"
How to use this code: Create a new Blank Query. Click on "Advanced Editor". Replace the code in the window with the code provided here. Click "Done".
So you know your total count, and your desired return size. You don't need to worry about the previous limit. Use a generator to craft all the URLs, then call all the URLs, then combine the results.
Note that the list starts at 100 since you already fetched the entry at offset 0.
let
Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WsrQ0NjVTio0FAA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [CountEmail = _t]),
#"Changed Type" = Table.TransformColumnTypes(Source,{{"CountEmail", Int64.Type}}),
#"Added Custom" = Table.AddColumn(#"Changed Type", "Custom", each let c = [CountEmail] in List.Generate(()=>100,each _ < c, each _+ 100)),
#"Expanded Custom" = Table.ExpandListColumn(#"Added Custom", "Custom"),
#"Added Custom1" = Table.AddColumn(#"Expanded Custom", "URL", each "https:///api.site.com?offset=" & Text.From([Custom]))
in
#"Added Custom1"
How to use this code: Create a new Blank Query. Click on "Advanced Editor". Replace the code in the window with the code provided here. Click "Done".
Thanks, @lbendlin.
Are you suggesting to then create a second query to make all of the calls from the generated URLs and combine them into a single table? Is it possile to make all of the calls in a single query?
My only concern with this approach is if the number of responses increases, is the second query going to be dynamic to handle (or add) additional URLs generated by the query you provided?
Yes, that is what I am suggesting. If you are concerned about the number of calls then you can increase the return row count and the offset.
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