diff options
Diffstat (limited to 'iredis/data/commands/brpop.md')
| -rw-r--r-- | iredis/data/commands/brpop.md | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/iredis/data/commands/brpop.md b/iredis/data/commands/brpop.md new file mode 100644 index 0000000..e0bb650 --- /dev/null +++ b/iredis/data/commands/brpop.md @@ -0,0 +1,31 @@ +`BRPOP` is a blocking list pop primitive. It is the blocking version of `RPOP` +because it blocks the connection when there are no elements to pop from any of +the given lists. An element is popped from the tail of the first list that is +non-empty, with the given keys being checked in the order that they are given. + +See the [BLPOP documentation][cb] for the exact semantics, since `BRPOP` is +identical to `BLPOP` with the only difference being that it pops elements from +the tail of a list instead of popping from the head. + +[cb]: /commands/blpop + +@return + +@array-reply: specifically: + +- A `nil` multi-bulk when no element could be popped and the timeout expired. +- A two-element multi-bulk with the first element being the name of the key + where an element was popped and the second element being the value of the + popped element. + +@examples + +``` +redis> DEL list1 list2 +(integer) 0 +redis> RPUSH list1 a b c +(integer) 3 +redis> BRPOP list1 list2 0 +1) "list1" +2) "c" +``` |