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[skip ci] Add comment for exported funcs in mem_key.go (#11877)

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Signed-off-by: shaoyue.chen <shaoyue.chen@zilliz.com>
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shaoyue 2021-11-16 13:23:10 +08:00 committed by GitHub
parent 6322eb31e7
commit 53c29088b0
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1 changed files with 3 additions and 0 deletions
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internal/kv/mem/mem_kv.go
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@ -42,6 +42,7 @@ type memoryKVItem struct {
key, value string key, value string
} }
// Less returns true if the item is less than the given one.
func (s memoryKVItem) Less(than btree.Item) bool { func (s memoryKVItem) Less(than btree.Item) bool {
return s.key < than.(memoryKVItem).key return s.key < than.(memoryKVItem).key
} }
@ -58,6 +59,7 @@ func (kv *MemoryKV) Load(key string) (string, error) {
return item.(memoryKVItem).value, nil return item.(memoryKVItem).value, nil
} }
// LoadWithDefault loads an object with @key. If the object does not exist, @defaultValue will be returned.
func (kv *MemoryKV) LoadWithDefault(key, defaultValue string) string { func (kv *MemoryKV) LoadWithDefault(key, defaultValue string) string {
kv.RLock() kv.RLock()
defer kv.RUnlock() defer kv.RUnlock()
@ -69,6 +71,7 @@ func (kv *MemoryKV) LoadWithDefault(key, defaultValue string) string {
return item.(memoryKVItem).value return item.(memoryKVItem).value
} }
// LoadRange loads objects with range @startKey to @endKey with @limit number of objects.
func (kv *MemoryKV) LoadRange(key, endKey string, limit int) ([]string, []string, error) { func (kv *MemoryKV) LoadRange(key, endKey string, limit int) ([]string, []string, error) {
kv.RLock() kv.RLock()
defer kv.RUnlock() defer kv.RUnlock()