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diff --git a/iredis/data/commands/xinfo-stream.md b/iredis/data/commands/xinfo-stream.md new file mode 100644 index 0000000..f697608 --- /dev/null +++ b/iredis/data/commands/xinfo-stream.md @@ -0,0 +1,118 @@ +This command returns information about the stream stored at `<key>`. + +The informative details provided by this command are: + +* **length**: the number of entries in the stream (see `XLEN`) +* **radix-tree-keys**: the number of keys in the underlying radix data structure +* **radix-tree-nodes**: the number of nodes in the underlying radix data structure +* **groups**: the number of consumer groups defined for the stream +* **last-generated-id**: the ID of the least-recently entry that was added to the stream +* **max-deleted-entry-id**: the maximal entry ID that was deleted from the stream +* **entries-added**: the count of all entries added to the stream during its lifetime +* **first-entry**: the ID and field-value tuples of the first entry in the stream +* **last-entry**: the ID and field-value tuples of the last entry in the stream + +The optional `FULL` modifier provides a more verbose reply. +When provided, the `FULL` reply includes an **entries** array that consists of the stream entries (ID and field-value tuples) in ascending order. +Furthermore, **groups** is also an array, and for each of the consumer groups it consists of the information reported by `XINFO GROUPS` and `XINFO CONSUMERS`. + +The `COUNT` option can be used to limit the number of stream and PEL entries that are returned (The first `<count>` entries are returned). +The default `COUNT` is 10 and a `COUNT` of 0 means that all entries will be returned (execution time may be long if the stream has a lot of entries). + +@return + +@array-reply: a list of informational bits + +@examples + +Default reply: + +``` +> XINFO STREAM mystream + 1) "length" + 2) (integer) 2 + 3) "radix-tree-keys" + 4) (integer) 1 + 5) "radix-tree-nodes" + 6) (integer) 2 + 7) "last-generated-id" + 8) "1638125141232-0" + 9) "max-deleted-entry-id" +10) "0-0" +11) "entries-added" +12) (integer) 2 +13) "groups" +14) (integer) 1 +15) "first-entry" +16) 1) "1638125133432-0" + 2) 1) "message" + 2) "apple" +17) "last-entry" +18) 1) "1638125141232-0" + 2) 1) "message" + 2) "banana" +``` + +Full reply: + +``` +> XADD mystream * foo bar +"1638125133432-0" +> XADD mystream * foo bar2 +"1638125141232-0" +> XGROUP CREATE mystream mygroup 0-0 +OK +> XREADGROUP GROUP mygroup Alice COUNT 1 STREAMS mystream > +1) 1) "mystream" + 2) 1) 1) "1638125133432-0" + 2) 1) "foo" + 2) "bar" +> XINFO STREAM mystream FULL + 1) "length" + 2) (integer) 2 + 3) "radix-tree-keys" + 4) (integer) 1 + 5) "radix-tree-nodes" + 6) (integer) 2 + 7) "last-generated-id" + 8) "1638125141232-0" + 9) "max-deleted-entry-id" +10) "0-0" +11) "entries-added" +12) (integer) 2 +13) "entries" +14) 1) 1) "1638125133432-0" + 2) 1) "foo" + 2) "bar" + 2) 1) "1638125141232-0" + 2) 1) "foo" + 2) "bar2" +15) "groups" +16) 1) 1) "name" + 2) "mygroup" + 3) "last-delivered-id" + 4) "1638125133432-0" + 5) "entries-read" + 6) (integer) 1 + 7) "lag" + 8) (integer) 1 + 9) "pel-count" + 10) (integer) 1 + 11) "pending" + 12) 1) 1) "1638125133432-0" + 2) "Alice" + 3) (integer) 1638125153423 + 4) (integer) 1 + 13) "consumers" + 14) 1) 1) "name" + 2) "Alice" + 3) "seen-time" + 4) (integer) 1638125153423 + 5) "pel-count" + 6) (integer) 1 + 7) "pending" + 8) 1) 1) "1638125133432-0" + 2) (integer) 1638125153423 + 3) (integer) 1 +> +``` |