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improved code comment

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kim 2024-04-30 10:41:10 +01:00
parent 9b5cc7f19b
commit 1db536e825
1 changed files with 29 additions and 19 deletions
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48
internal/paging/boundary.go
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@ -23,26 +23,36 @@ package paging
func EitherMinID(minID, sinceID string) Boundary {
/*
Paging with `since_id` vs `min_id`:
Paging with `since_id` vs `min_id`:
limit = 4 limit = 4
+----------+ +----------+
max_id--> |xxxxxxxxxx| | | <-- max_id
+----------+ +----------+
|xxxxxxxxxx| | |
+----------+ +----------+
|xxxxxxxxxx| | |
+----------+ +----------+
|xxxxxxxxxx| |xxxxxxxxxx|
+----------+ +----------+
| | |xxxxxxxxxx|
+----------+ +----------+
| | |xxxxxxxxxx|
+----------+ +----------+
since_id--> | | |xxxxxxxxxx| <-- min_id
+----------+ +----------+
| | | |
+----------+ +----------+
limit = 4 limit = 4
+----------+ +----------+
max_id--> |xxxxxxxxxx| | | <-- max_id
+----------+ +----------+
|xxxxxxxxxx| | |
+----------+ +----------+
|xxxxxxxxxx| | |
+----------+ +----------+
|xxxxxxxxxx| |xxxxxxxxxx|
+----------+ +----------+
| | |xxxxxxxxxx|
+----------+ +----------+
| | |xxxxxxxxxx|
+----------+ +----------+
since_id--> | | |xxxxxxxxxx| <-- min_id
+----------+ +----------+
| | | |
+----------+ +----------+
To sum it up in words:
when paging with since_id, max_id is used as
the cursor value, and since_id provides a
limiting value to the results.
when paging with min_id, min_id is used as
the cursor value, and max_id provides a
limiting value to the results.
*/
switch {