feat: redis hgetall

docs/2022-07-10-bootstrap-go.html

@@ -567,6 +567,14 @@ internal
       >Connect Redis with
       <a href="https://github.com/redis/go-redis">redis/go-redis</a>
     </h3>
+    <p>
+      Be careful when use
+      <a href="https://redis.io/commands/hgetall/" rel="nofollow">HGETALL</a>.
+      If key not found, empty data will be returned not nil error. See
+      <a href="https://github.com/redis/go-redis/issues/1668"
+        >redis/go-redis/issues/1668</a
+      >
+    </p>
     <p>
       Use
       <a

posts/2022-07-10-bootstrap-go.md

@@ -288,6 +288,10 @@ I hear that [go-gorm/gorm](https://github.com/go-gorm/gorm), [ent/ent](https://g
 
 ### Connect Redis with [redis/go-redis](https://github.com/redis/go-redis)
 
+Be careful when use [HGETALL](https://redis.io/commands/hgetall/).
+If key not found, empty data will be returned not nil error.
+See [redis/go-redis/issues/1668](https://github.com/redis/go-redis/issues/1668)
+
 Use [Pipelines](https://redis.uptrace.dev/guide/go-redis-pipelines.html) for:
 
 - HSET and EXPIRE in 1 command.