优化本地数据库性能

internal/utils/fnv/hash.go

@@ -0,0 +1,19 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package fnv
+
+const (
+	offset64 uint64 = 14695981039346656037
+	prime64  uint64 = 1099511628211
+)
+
+// Hash
+// 非unique Hash
+func Hash(key string) uint64 {
+	var hash = offset64
+	for _, b := range key {
+		hash ^= uint64(b)
+		hash *= prime64
+	}
+	return hash
+}