Datacache on batch func #1
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eaglemoor
commented
Apr 3, 2023
eaglemoor
commented
- Use Key[K]/Keys[K] in BatchFunc and Loader for save original context
- Add DataCache[K, V] for wrap batchFunc and use cache on real data. It's need for use not in memory caches, like redis.
added 2 commits
April 3, 2023 02:39
korotin
reviewed
Apr 3, 2023
| // Tests | ||
| /////////////////////////////////////////////////// | ||
| // ///////////////////////////////////////////////// |
dataloader.go
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| func batchWithCache[K comparable, V any](ctx context.Context, batchfn BatchFunc[K, V], keys Keys[K], cache DataCache[K, V]) []*Result[V] { | ||
| result := make([]*Result[V], len(keys)) | ||
| reqKeys := make(Keys[K], 0, len(keys)) | ||
| keyMap := make(map[int]int, len(keys)) |
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А зачем мапка? У тебя же ключ - это индекс reqKeys, который монотонно и непрерывно возрастает, можно на слайс заменить.
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Немного переделал код, map тут нужно для организации exist key, если из batchfn придет больше ключей, но со slice мы ляжем с паникой.
added 2 commits
April 4, 2023 17:57
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