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{
"HRANDFIELD": {
"summary": "Returns one or more random fields from a hash.",
"complexity": "O(N) where N is the number of fields returned",
"group": "hash",
"since": "6.2.0",
"arity": -2,
"function": "hrandfieldCommand",
"command_flags": [
"READONLY"
],
"acl_categories": [
"HASH"
],
"command_tips": [
"NONDETERMINISTIC_OUTPUT"
],
"key_specs": [
{
"flags": [
"RO",
"ACCESS"
],
"begin_search": {
"index": {
"pos": 1
}
},
"find_keys": {
"range": {
"lastkey": 0,
"step": 1,
"limit": 0
}
}
}
],
"reply_schema": {
"anyOf": [
{
"description": "Key doesn't exist",
"type": "null"
},
{
"description": "A single random field. Returned in case `COUNT` was not used.",
"type": "string"
},
{
"description": "A list of fields. Returned in case `COUNT` was used.",
"type": "array",
"items": {
"type": "string"
}
},
{
"description": "Fields and their values. Returned in case `COUNT` and `WITHVALUES` were used. In RESP2 this is returned as a flat array.",
"type": "array",
"items": {
"type": "array",
"minItems": 2,
"maxItems": 2,
"items": [
{
"description": "Field",
"type": "string"
},
{
"description": "Value",
"type": "string"
}
]
}
}
]
},
"arguments": [
{
"name": "key",
"type": "key",
"key_spec_index": 0
},
{
"name": "options",
"type": "block",
"optional": true,
"arguments": [
{
"name": "count",
"type": "integer"
},
{
"name": "withvalues",
"token": "WITHVALUES",
"type": "pure-token",
"optional": true
}
]
}
]
}
}