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72 lines
2.2 KiB
72 lines
2.2 KiB
{
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"XREAD": {
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"summary": "Return never seen elements in multiple streams, with IDs greater than the ones reported by the caller for each stream. Can block.",
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"complexity": "For each stream mentioned: O(N) with N being the number of elements being returned, it means that XREAD-ing with a fixed COUNT is O(1). Note that when the BLOCK option is used, XADD will pay O(M) time in order to serve the M clients blocked on the stream getting new data.",
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"group": "stream",
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"since": "5.0.0",
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"arity": -4,
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"function": "xreadCommand",
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"get_keys_function": "xreadGetKeys",
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"command_flags": [
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"BLOCKING",
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"READONLY",
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"BLOCKING"
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],
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"acl_categories": [
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"STREAM"
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],
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"key_specs": [
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{
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"flags": [
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"RO",
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"ACCESS"
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],
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"begin_search": {
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"keyword": {
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"keyword": "STREAMS",
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"startfrom": 1
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}
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},
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"find_keys": {
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"range": {
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"lastkey": -1,
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"step": 1,
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"limit": 2
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}
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}
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}
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],
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"arguments": [
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{
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"token": "COUNT",
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"name": "count",
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"type": "integer",
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"optional": true
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},
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{
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"token": "BLOCK",
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"name": "milliseconds",
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"type": "integer",
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"optional": true
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},
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{
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"name": "streams",
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"token": "STREAMS",
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"type": "block",
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"arguments": [
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{
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"name": "key",
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"type": "key",
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"key_spec_index": 0,
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"multiple": true
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},
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{
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"name": "ID",
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"type": "string",
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"multiple": true
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}
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]
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}
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]
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}
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}
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