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Diffstat (limited to 'iredis/data/commands/bitfield_ro.md')
| -rw-r--r-- | iredis/data/commands/bitfield_ro.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/iredis/data/commands/bitfield_ro.md b/iredis/data/commands/bitfield_ro.md new file mode 100644 index 0000000..94057a1 --- /dev/null +++ b/iredis/data/commands/bitfield_ro.md @@ -0,0 +1,19 @@ +Read-only variant of the `BITFIELD` command. +It is like the original `BITFIELD` but only accepts `!GET` subcommand and can safely be used in read-only replicas. + +Since the original `BITFIELD` has `!SET` and `!INCRBY` options it is technically flagged as a writing command in the Redis command table. +For this reason read-only replicas in a Redis Cluster will redirect it to the master instance even if the connection is in read-only mode (see the `READONLY` command of Redis Cluster). + +Since Redis 6.2, the `BITFIELD_RO` variant was introduced in order to allow `BITFIELD` behavior in read-only replicas without breaking compatibility on command flags. + +See original `BITFIELD` for more details. + +@examples + +``` +BITFIELD_RO hello GET i8 16 +``` + +@return + +@array-reply: An array with each entry being the corresponding result of the subcommand given at the same position. |