{"id":44387,"date":"2023-11-03T20:59:01","date_gmt":"2023-07-08T09:51:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90golang%e3%80%91%e5%88%9d%e6%ac%a1%e4%bd%bf%e7%94%a8cassandra%e6%95%b0%e6%8d%ae%e5%ba%93\/"},"modified":"2024-05-04T07:22:53","modified_gmt":"2024-05-03T23:22:53","slug":"%e3%80%90golang%e3%80%91%e5%88%9d%e6%ac%a1%e4%bd%bf%e7%94%a8cassandra%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90golang%e3%80%91%e5%88%9d%e6%ac%a1%e4%bd%bf%e7%94%a8cassandra%e6%95%b0%e6%8d%ae%e5%ba%93\/","title":{"rendered":"\u3010Golang\u3011\u521d\u6b21\u4f7f\u7528Cassandra\u6570\u636e\u5e93"},"content":{"rendered":"

\u603b\u7ed3<\/h1>\n

\u7531\u4e8e\u6211\u5728Golang\u4e2d\u5c06Cassandra\u7528\u4f5c\u4f1a\u8bdd\u7ba1\u7406\u7684\u6570\u636e\u5e93\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u64b0\u5199\u6210\u4e86\u4e00\u7bc7\u6587\u7ae0\u3002Cassandra\u53ef\u4ee5\u901a\u8fc7\u5728\u591a\u53f0\u670d\u52a1\u5668\u4e0a\u6784\u5efa\u96c6\u7fa4\u6765\u521b\u5efa\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5e76\u8fdb\u884c\u6a2a\u5411\u6269\u5c55\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u53ef\u6269\u5c55\u6027\u3002\u6b64\u5916\uff0c\u5904\u7406\u6027\u80fd\u4e0e\u8282\u70b9\u6570\u91cf\u7684\u914d\u7f6e\u6210\u6bd4\u4f8b\u3002\u56e0\u6b64\uff0c\u4f5c\u4e3a\u670d\u52a1\u5668\u7ba1\u7406\u5458\uff0c\u60a8\u53ef\u4ee5\u76f8\u5bf9\u4f4e\u5ec9\u5730\u4fdd\u8bc1\u53ef\u4f38\u7f29\u6027\u3002<\/p>\n

Cassandra\u662f\u4e00\u79cd\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u8868\u4e2d\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u4e8eSQL\u7684\u67e5\u8be2\u8bed\u8a00CQL\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u7684\u6570\u636e\u5e93\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u76f4\u89c2\u64cd\u4f5c\uff0c\u51e0\u4e4e\u53ef\u4ee5\u50cf\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e00\u6837\u8fdb\u884c\u64cd\u4f5c\u3002\u4ee5\u524d\uff0c\u6211\u4e5f\u5728\u3010Golang\u3011mysql\u6570\u636e\u5e93\u5904\u7406\u7684\u6587\u7ae0\u4e2d\u4ecb\u7ecd\u4e86\u4f7f\u7528SQL\u5e93\u8fdb\u884cGolang\u5904\u7406\u7684\u65b9\u6cd5\uff0c\u5bf9\u4e8eCassandra\u6570\u636e\u5e93\uff0c\u4f7f\u7528CQL\u5c06\u4f1a\u6709\u7c7b\u4f3c\u7684\u5904\u7406\u65b9\u5f0f\u3002<\/p>\n

\u203b\u6211\u662f\u5728Mac\u73af\u5883\u4e0b\u8fdb\u884c\u7684\u3002
\n\u203b\u8bf7\u53c2\u8003\u300a\u7b2c\u4e00\u6b21\u4f7f\u7528Golang\u6784\u5efaWeb\u5e94\u7528\u7a0b\u5e8f\u81f3\u6d4b\u8bd5\u3001Docker\u5bb9\u5668\u5316\u7684\u57fa\u672c\u8bbe\u7f6e\u548c\u7528\u6cd5\u300b\u6765\u5b66\u4e60Golang\u7684\u57fa\u672c\u8bbe\u7f6e\u548c\u7528\u6cd5\u3002<\/p>\n

Cassandra\u7684\u57fa\u672c\u5185\u5bb9\uff08\u5b89\u88c5\u3001\u6570\u636e\u5e93\u548c\u8868\u7684\u521b\u5efa\uff09<\/h1>\n

\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n

brew install <\/span>cassandra\r\nsudo <\/span>pip install <\/span>cql\r\n<\/code><\/pre>\n
\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e86\u540d\u4e3aoauth\u7684\u6570\u636e\u5e93\u548c\u540d\u4e3aaccess_token\u7684\u8868\u3002<\/p>\n
describe keyspaces;<\/span>\r\n><\/span>system_traces  system_schema  system_auth  system  system_distributed\r\n\r\nCREATE KEYSPACE oauth WITH REPLICATION =<\/span> {<\/span>'class'<\/span>:'SimpleStrategy'<\/span>, 'replication_factor'<\/span>:1}<\/span>;<\/span>\r\n\r\ndescribe keyspaces;<\/span>\r\n><\/span>system_schema  system_auth  system  system_distributed  oauth  system_traces\r\n\r\nUSE oauth;<\/span>\r\n\r\nCREATE TABLE access_tokens(<\/span> access_token varchar PRIMARY KEY, user_id bigint, expires bigint)<\/span>;<\/span>\r\n\r\ndescribe tables;<\/span>\r\n><\/span>access_tokens\r\n\r\nSELECT *<\/span> from access_tokens where access_token<\/span>=<\/span>'doNaDonaEtc'<\/span>;<\/span>\r\n\r\n access_token | expires | user_id\r\n--------------<\/span>+---------+---------\r\n<\/code><\/pre>\n
\u5b89\u88c5 Golang gocql \u5305<\/h1>\n
\u5b89\u88c5gocql\u5305\u3002<\/p>\n
go get github.com\/gocql\/gocq\r\n<\/code><\/pre>\n
\u5728\u672c\u6587\u4e2d\u7684\u64cd\u4f5c\u793a\u4f8b<\/h1>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63d0\u4f9b\u6709\u5173\u5904\u7406\u7684\u793a\u4f8b\uff0c\u5982\u4e0b\u6240\u793a\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u63d0\u4f9b\u4e86\u6267\u884c\u6b64\u5904\u7406\u7684\u7a0b\u5e8f\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
    \n
  1. \n
      \u521b\u5efa\u4e00\u4e2a\u540d\u4e3aaccess_token\u7684\u6570\u636e\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          \u5411dbRepo\u6ce8\u5165CassandraDB\u7684\u63a5\u53e3\uff08\u6570\u636e\u5e93\u5904\u7406\u7684\u5305\u5df2\u5206\u79bb\uff09<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              \u4f7f\u7528Create\u65b9\u6cd5\u63d2\u5165\u6570\u636e<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                \u4f7f\u7528Get\u65b9\u6cd5\u83b7\u53d6\u6570\u636e<\/ol>\n
                \u203baccessToken \u662f\u4e00\u4e2a\u5305\u542b\u4e86 access_token \u7ed3\u6784\u4f53\u548c\u76f8\u5173\u5904\u7406\u7684\u5305\u3002\u7531\u4e8e\u4e0e\u672c\u6587\u7684\u6d41\u7a0b\u65e0\u5173\uff0c\u6545\u5728\u6b64\u7701\u7565\u8bf4\u660e\u3002<\/p>\n
                package<\/span> main<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"fmt\"<\/span>\r\n\r\n    access_token<\/span> \"github.com\/k-washi\/golang-cookbook\/cassandraDB\/c1\/c1\/accessToken\"<\/span>\r\n\r\n    \"github.com\/k-washi\/golang-cookbook\/cassandraDB\/c1\/c1\/oauthdomain\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    at<\/span> :=<\/span> access_token<\/span>.<\/span>GetAccessToken<\/span>()<\/span>\r\n    at<\/span>.<\/span>AccessToken<\/span> =<\/span> \"doNaDonaEtc\"<\/span>\r\n    at<\/span>.<\/span>UserID<\/span> =<\/span> 123<\/span>\r\n\r\n    dbRepo<\/span> :=<\/span> oauthdomain<\/span>.<\/span>NewRepo<\/span>()<\/span>\r\n    err<\/span> :=<\/span> dbRepo<\/span>.<\/span>Create<\/span>(<\/span>at<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    accessToken<\/span>,<\/span> err<\/span> :=<\/span> dbRepo<\/span>.<\/span>GetID<\/span>(<\/span>at<\/span>.<\/span>AccessToken<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>accessToken<\/span>)<\/span> \/\/&{doNaDonaEtc 123 1580498041}<\/span>\r\n    \/*\r\n            cqlsh:oauth> SELECT * from access_tokens where access_token='doNaDonaEtc';\r\n\r\n         access_token | expires    | user_id\r\n        --------------+------------+---------\r\n            doNaDonaEtc | 1580498041 |     123\r\n    *\/<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u5361\u6851\u5fb7\u62c9\u7684\u914d\u7f6e<\/h1>\n
                \u5c55\u793a\u4e00\u4e2a\u7528Golang\u7f16\u5199\u7684\u914d\u7f6eCassandra\u7684\u7a0b\u5e8f\u3002\u4f7f\u7528GetSession()\u83b7\u53d6Session\uff0c\u5728\u6570\u636e\u5e93\u7684\u6bcf\u4e2a\u65b9\u6cd5\u4e2d\u7528\u4e8e\u8fde\u63a5\u3002<\/p>\n
                package<\/span> cassandra<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"fmt\"<\/span>\r\n    \"github.com\/gocql\/gocql\"<\/span>\r\n)<\/span>\r\n\r\nvar<\/span> (<\/span>\r\n    session<\/span> *<\/span>gocql<\/span>.<\/span>Session<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> init<\/span>()<\/span> {<\/span>\r\n    \/\/ connect to Cassandra<\/span>\r\n    cluster<\/span> :=<\/span> gocql<\/span>.<\/span>NewCluster<\/span>(<\/span>\"127.0.0.1\"<\/span>)<\/span>\r\n    cluster<\/span>.<\/span>Keyspace<\/span> =<\/span> \"oauth\"<\/span>\r\n    cluster<\/span>.<\/span>Consistency<\/span> =<\/span> gocql<\/span>.<\/span>Quorum<\/span>\r\n\r\n    var<\/span> err<\/span> error<\/span>\r\n    if<\/span> session<\/span>,<\/span> err<\/span> =<\/span> cluster<\/span>.<\/span>CreateSession<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        panic<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"cassandra config success\"<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> GetSession<\/span>()<\/span> *<\/span>gocql<\/span>.<\/span>Session<\/span> {<\/span>\r\n    return<\/span> session<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u5361\u6851\u5fb7\u62c9\u6570\u636e\u5e93\u7684\u65b9\u6cd5 (K\u01ce d\u00e9 l\u0101 sh\u00f9 j\u00f9 k\u00f9 de f\u01ce)<\/h1>\n
                \u6211\u5011\u5728\u6b64\u5be6\u65bd\u4e86GET\u3001CREATE\u548cUPDATE\u65b9\u6cd5\u3002\u4f5c\u70ba\u67e5\u8a62\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u985e\u4f3c\u65bcSQL\u7684CQL\u3002\u6211\u5011\u63a5\u6536Cassandra\u7684\u8a2d\u5b9a\uff0c\u7136\u5f8c\u5c07\u67e5\u8a62\u767c\u9001\u7d66\u5b83\u4e26\u63a5\u6536\u7d50\u679c\u3002<\/p>\n
                package<\/span> oauthdomain<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"errors\"<\/span>\r\n\r\n    access_token<\/span> \"github.com\/k-washi\/golang-cookbook\/cassandraDB\/c1\/c1\/accessToken\"<\/span>\r\n\r\n    \"github.com\/gocql\/gocql\"<\/span>\r\n\r\n    \"github.com\/k-washi\/golang-cookbook\/cassandraDB\/c1\/c1\/cassandra\"<\/span>\r\n)<\/span>\r\n\r\nconst<\/span> (<\/span>\r\n    queryGetAcessToken<\/span>     =<\/span> \"SELECT access_token, user_id, expires FROM access_tokens WHERE access_token=?;\"<\/span>\r\n    queryCreateAccessToken<\/span> =<\/span> \"INSERT INTO access_tokens(access_token, user_id, expires) VALUES (?, ?, ?);\"<\/span>\r\n    queryUpdateExpires<\/span>     =<\/span> \"UPDATE access_tokens SET expires=? WHERE access_token=?;\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> NewRepo<\/span>()<\/span> DbRepo<\/span> {<\/span>\r\n    return<\/span> &<\/span>dbRepo<\/span>{}<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> DbRepo<\/span> interface<\/span> {<\/span>\r\n    GetID<\/span>(<\/span>string<\/span>)<\/span> (<\/span>*<\/span>access_token<\/span>.<\/span>AccessToken<\/span>,<\/span> error<\/span>)<\/span>\r\n    Create<\/span>(<\/span>access_token<\/span>.<\/span>AccessToken<\/span>)<\/span> error<\/span>\r\n    UpdateExpirationTime<\/span>(<\/span>access_token<\/span>.<\/span>AccessToken<\/span>)<\/span> error<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> dbRepo<\/span> struct<\/span>{}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> *<\/span>dbRepo<\/span>)<\/span> GetID<\/span>(<\/span>at<\/span> string<\/span>)<\/span> (<\/span>*<\/span>access_token<\/span>.<\/span>AccessToken<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    session<\/span> :=<\/span> cassandra<\/span>.<\/span>GetSession<\/span>()<\/span>\r\n\r\n    var<\/span> result<\/span> access_token<\/span>.<\/span>AccessToken<\/span>\r\n    if<\/span> err<\/span> :=<\/span> session<\/span>.<\/span>Query<\/span>(<\/span>queryGetAcessToken<\/span>,<\/span> at<\/span>)<\/span>.<\/span>Scan<\/span>(<\/span>\r\n        &<\/span>result<\/span>.<\/span>AccessToken<\/span>,<\/span>\r\n        &<\/span>result<\/span>.<\/span>UserID<\/span>,<\/span>\r\n        &<\/span>result<\/span>.<\/span>Expires<\/span>,<\/span>\r\n    );<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        if<\/span> err<\/span> ==<\/span> gocql<\/span>.<\/span>ErrNotFound<\/span> {<\/span>\r\n            return<\/span> nil<\/span>,<\/span> errors<\/span>.<\/span>New<\/span>(<\/span>\"no access token found with given id\"<\/span>)<\/span>\r\n        }<\/span>\r\n        return<\/span> nil<\/span>,<\/span> err<\/span>\r\n    }<\/span>\r\n\r\n    return<\/span> &<\/span>result<\/span>,<\/span> nil<\/span>\r\n\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> *<\/span>dbRepo<\/span>)<\/span> Create<\/span>(<\/span>at<\/span> access_token<\/span>.<\/span>AccessToken<\/span>)<\/span> error<\/span> {<\/span>\r\n    session<\/span> :=<\/span> cassandra<\/span>.<\/span>GetSession<\/span>()<\/span>\r\n\r\n    if<\/span> err<\/span> :=<\/span> session<\/span>.<\/span>Query<\/span>(<\/span>queryCreateAccessToken<\/span>,<\/span>\r\n        at<\/span>.<\/span>AccessToken<\/span>,<\/span>\r\n        at<\/span>.<\/span>UserID<\/span>,<\/span>\r\n        at<\/span>.<\/span>Expires<\/span>,<\/span>\r\n    )<\/span>.<\/span>Exec<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> err<\/span>\r\n    }<\/span>\r\n    return<\/span> nil<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> *<\/span>dbRepo<\/span>)<\/span> UpdateExpirationTime<\/span>(<\/span>at<\/span> access_token<\/span>.<\/span>AccessToken<\/span>)<\/span> error<\/span> {<\/span>\r\n    session<\/span> :=<\/span> cassandra<\/span>.<\/span>GetSession<\/span>()<\/span>\r\n\r\n    if<\/span> err<\/span> :=<\/span> session<\/span>.<\/span>Query<\/span>(<\/span>queryUpdateExpires<\/span>,<\/span>\r\n        at<\/span>.<\/span>Expires<\/span>,<\/span>\r\n        at<\/span>.<\/span>AccessToken<\/span>,<\/span>\r\n    )<\/span>.<\/span>Exec<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> err<\/span>\r\n    }<\/span>\r\n    return<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                \u603b\u7ed3 \u7531\u4e8e\u6211\u5728Golang\u4e2d\u5c06Cassandra\u7528\u4f5c\u4f1a\u8bdd\u7ba1\u7406\u7684\u6570\u636e\u5e93\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u64b0\u5199\u6210\u4e86\u4e00\u7bc7\u6587\u7ae0\u3002Cassan […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44387","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u3010Golang\u3011\u521d\u6b21\u4f7f\u7528Cassandra\u6570\u636e\u5e93 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010golang\u3011\u521d\u6b21\u4f7f\u7528cassandra\u6570\u636e\u5e93\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Golang\u3011\u521d\u6b21\u4f7f\u7528Cassandra\u6570\u636e\u5e93\" \/>\n<meta property=\"og:description\" content=\"\u603b\u7ed3 \u7531\u4e8e\u6211\u5728Golang\u4e2d\u5c06Cassandra\u7528\u4f5c\u4f1a\u8bdd\u7ba1\u7406\u7684\u6570\u636e\u5e93\uff0c\u56e0\u6b64\u6211\u5c06\u5176\u64b0\u5199\u6210\u4e86\u4e00\u7bc7\u6587\u7ae0\u3002Cassan […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010golang\u3011\u521d\u6b21\u4f7f\u7528cassandra\u6570\u636e\u5e93\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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