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redis commands hashes hexists
HEXISTS
Apply for Redis Developer Course
|
Redis Regular Inspection / Technical Support
|
Redis Enterprise Server
|
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Check whether a field exists
Usage: hexists key field
Returns 1 if it exists, 0 if it does not.
Example
| Command> | hexists user-1 email |
| Result> | 1 |
| Command> | hexists user-1 xxx |
| Result> | 0 |
Syntax
HEXISTS key field
- Available since version 2.0.0.
- Time complexity is O(1).
| Related commands | HSET, HMGET, MSET, LPUSH, SADD, ZSET |
| Clients for Java | Jedis, Lettuce, Redisson | Clients for C | Hiredis |
| << HINCRBYFLOAT | HEXISTS | HSETNX >> |
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Email
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