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fix: check if the shard exists to avoid returning nil (#3396)

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Signed-off-by: fukua95 <fukua95@gmail.com>
This commit is contained in:
fukua95
2025-06-09 16:06:21 +08:00
committed by GitHub
parent 858ecda7fd
commit 0f40ae3ff2
1 changed files with 6 additions and 1 deletions
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7
ring.go
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@ -405,7 +405,12 @@ func (c *ringSharding) GetByName(shardName string) (*ringShard, error) {
c.mu.RLock() c.mu.RLock()
defer c.mu.RUnlock() defer c.mu.RUnlock()
return c.shards.m[shardName], nil shard, ok := c.shards.m[shardName]
if !ok {
return nil, errors.New("redis: the shard is not in the ring")
}
return shard, nil
} }
func (c *ringSharding) Random() (*ringShard, error) { func (c *ringSharding) Random() (*ringShard, error) {