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Diffstat (limited to 'iredis/data/commands/exists.md')
| -rw-r--r-- | iredis/data/commands/exists.md | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/iredis/data/commands/exists.md b/iredis/data/commands/exists.md index 83c2043..a9a89af 100644 --- a/iredis/data/commands/exists.md +++ b/iredis/data/commands/exists.md @@ -1,26 +1,10 @@ Returns if `key` exists. -Since Redis 3.0.3 it is possible to specify multiple keys instead of a single -one. In such a case, it returns the total number of keys existing. Note that -returning 1 or 0 for a single key is just a special case of the variadic usage, -so the command is completely backward compatible. - -The user should be aware that if the same existing key is mentioned in the -arguments multiple times, it will be counted multiple times. So if `somekey` -exists, `EXISTS somekey somekey` will return 2. +The user should be aware that if the same existing key is mentioned in the arguments multiple times, it will be counted multiple times. So if `somekey` exists, `EXISTS somekey somekey` will return 2. @return -@integer-reply, specifically: - -- `1` if the key exists. -- `0` if the key does not exist. - -Since Redis 3.0.3 the command accepts a variable number of keys and the return -value is generalized: - -- The number of keys existing among the ones specified as arguments. Keys - mentioned multiple times and existing are counted multiple times. +@integer-reply, specifically the number of keys that exist from those specified as arguments. @examples |