Function RM_RandomKey

app/redis-6.2.6/src/module.c:2436–2440

Returns a name of a random key, or NULL if current db is empty. */

/* Returns a name of a random key, or NULL if current db is empty. */
RedisModuleString *RM_RandomKey(RedisModuleCtx *ctx) {
    robj *key = dbRandomKey(ctx->client->db);
    autoMemoryAdd(ctx,REDISMODULE_AM_STRING,key);
    return key;
}

/* --------------------------------------------------------------------------
 * ## Key API for String type