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package commands
import (
"errors"
"redisClone/pkg/core"
)
func Hget(args []string, getShard func(k string) *core.Shard) interface{} {
key := args[1]
field := args[2]
s := getShard(key)
item, exists := s.Data[key]
if !exists {
return nil
}
hash, ok := item.Value.(map[string]string)
if !ok {
return errors.New("WRONGTYPE Operation against a key holding the wrong kind of value")
}
val, found := hash[field]
if !found {
return nil
}
return val
}
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