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Merge pull request #109623 from stevekuznetsov/skuznets/clarify-list-flow 

storage/etcd3: clarify the pagingation flow in LIST

Kubernetes-commit: 1ad09407329a986014502fc0d9eb845bdfdd39a4
This commit is contained in:
Kubernetes Publisher 2022-05-04 02:35:10 -07:00
parent 3cdf590495 d96402b9d6
commit cd8d01b032
1 changed files with 5 additions and 3 deletions
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8
pkg/storage/etcd3/store.go
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@ -593,9 +593,11 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// set the appropriate clientv3 options to filter the returned data set
var limitOption *clientv3.OpOption
var limit int64 = pred.Limit
limit := pred.Limit
var paging bool
options := make([]clientv3.OpOption, 0, 4)
if s.pagingEnabled && pred.Limit > 0 {
paging = true
options = append(options, clientv3.WithLimit(limit))
limitOption = &options[len(options)-1]
}
@ -722,7 +724,7 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
// take items from the response until the bucket is full, filtering as we go
for i, kv := range getResp.Kvs {
if limitOption != nil && int64(v.Len()) >= pred.Limit {
if paging && int64(v.Len()) >= pred.Limit {
hasMore = true
break
}
@ -748,7 +750,7 @@ func (s *store) GetList(ctx context.Context, key string, opts storage.ListOption
}
// no more results remain or we didn't request paging
if !hasMore || limitOption == nil {
if !hasMore || !paging {
break
}
// we're paging but we have filled our bucket