Adding upstream version 1.13.0.upstream/1.13.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

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+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.