{"id":50219,"date":"2023-08-10T12:32:35","date_gmt":"2023-12-02T17:49:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%80%9d%e8%80%83cassandra%e5%af%b9%e4%ba%8ekvs%e7%9a%84%e6%95%b0%e6%8d%ae%e6%a8%a1%e5%9e%8b%e7%9a%84%e9%97%ae%e9%a2%98%e3%80%82\/"},"modified":"2024-04-30T17:55:16","modified_gmt":"2024-04-30T09:55:16","slug":"%e6%80%9d%e8%80%83cassandra%e5%af%b9%e4%ba%8ekvs%e7%9a%84%e6%95%b0%e6%8d%ae%e6%a8%a1%e5%9e%8b%e7%9a%84%e9%97%ae%e9%a2%98%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%80%9d%e8%80%83cassandra%e5%af%b9%e4%ba%8ekvs%e7%9a%84%e6%95%b0%e6%8d%ae%e6%a8%a1%e5%9e%8b%e7%9a%84%e9%97%ae%e9%a2%98%e3%80%82\/","title":{"rendered":"\u601d\u8003Cassandra\u5bf9\u4e8eKVS\u7684\u6570\u636e\u6a21\u578b\u7684\u95ee\u9898"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u4ee5\u540e\u6211\u4f1a\u8d1f\u8d23Future Advent Calendar\u7684\u7b2c15\u5929\u3002<br \/>\n\u6700\u8fd1\uff0c\u201c\u5927\u6570\u636e\u201d\u8fd9\u4e2a\u8bcd\u5df2\u7ecf\u5b8c\u5168\u6e17\u900f\u5230\u4e86\u4f01\u4e1a\u4e2d\uff0c\u6211\u4eec\u8d8a\u6765\u8d8a\u591a\u5730\u542c\u5230&#8221;NoSQL&#8221;\u8fd9\u4e2a\u8bcd\u3002<br \/>\n\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecdCassandra\u4f5c\u4e3aNoSQL\u8bdd\u9898\uff0c\u5e76\u5e0c\u671b\u80fd\u4f20\u8fbeNoSQL\uff08\u952e\u503c\u5bf9\u5b58\u50a8\uff09\u6570\u636e\u6a21\u578b\u7684\u8003\u8651\u8981\u70b9\u3002<\/p>\n<h2>\u8bd5\u7740\u601d\u8003\u4e00\u4e0b\uff0c\u5230\u5e95\u4ec0\u4e48\u662f&#8221;NoSQL&#8221;\u7684\u5b9a\u4e49\u3002<\/h2>\n<p>\u5728\u8c08\u8bbaCassandra\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u8003\u8651\u4e00\u4e0b\u5230\u5e95\u4ec0\u4e48\u662f&#8221;NoSQL&#8221;\u3002<br \/>\nNoSQL\u6e90\u81ea\u4e8e&#8221;Not only SQL&#8221;\u8fd9\u4e2a\u8bcd\uff0c\u591a\u88ab\u89e3\u91ca\u4e3a&#8221;\u4e0d\u53ea\u6709SQL = \u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93&#8221;\u7684\u610f\u601d\u3002<\/p>\n<p>\u5728\u4f01\u4e1a\u7cfb\u7edf\u4e2d\uff0cRDB\uff08\u5173\u7cfb\u6570\u636e\u5e93\uff09\u88ab\u5e7f\u6cdb\u91c7\u7528\u3002\u539f\u56e0\u65e0\u6cd5\u7528\u4e00\u8a00\u4ee5\u853d\u4e4b\uff0c\u4f46\u662f\u53ef\u4ee5\u8bf4\uff0c\u901a\u8fc7\u8868\u8fde\u63a5\u53ef\u4ee5\u7528SQL\u8868\u793a\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u4e25\u683c\u7684\u4e8b\u52a1\u7ba1\u7406\u7b49\u662f\u5176\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n<p>\u7136\u800c\uff0c\u968f\u7740\u5927\u6570\u636e\u65f6\u4ee3\u7684\u5230\u6765\uff0c\u51fa\u73b0\u4e86\u5982\u4e0b\u9700\u6c42\uff0c\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5df2\u7ecf\u65e0\u6cd5\u5b8c\u5168\u6ee1\u8db3\u3002<\/p>\n<p>\u69cb\u9020\u7684\u306a\u30c7\u30fc\u30bf\u3060\u3051\u3067\u306a\u304f\u975e\u69cb\u9020\u7684\u306a\u30c7\u30fc\u30bf\u3082\u6271\u3044\u305f\u3044<br \/>\n\u21d2 RDB\u306f\u6271\u3046\u30c7\u30fc\u30bf\u3092\u4e8b\u524d\u306b\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b<\/p>\n<p>\u30c7\u30fc\u30bf\u3092\u9577\u671f\u9593\u84c4\u7a4d\u3057\u3066\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u3063\u305f\u3068\u3057\u3066\u3082\u9ad8\u901f\u306b\u51e6\u7406\u3057\u305f\u3044<br \/>\n\u21d2 RDB\u306f\u30b5\u30fc\u30d0\u30fc\u30b9\u30da\u30c3\u30af\u3092\u30b9\u30b1\u30fc\u30eb\u30a2\u30c3\u30d7\u3055\u305b\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u305f\u3081\u5bb9\u91cf\u30fb\u6027\u80fd\u5171\u306b\u9650\u754c\u304c\u3042\u308b<\/p>\n<p>\u4e3a\u4e86\u6ee1\u8db3\u201cVolume\uff08\u6570\u636e\u91cf\uff09\u201d\u3001\u201cVelocity\uff08\u5904\u7406\u901f\u5ea6\uff09\u201d\u548c\u201cVariety\uff08\u591a\u6837\u6027\uff09\u201d\u7b49\u9700\u6c42\uff0cNoSQL\u57fa\u672c\u4e0a\u91c7\u7528\u4e86\u65e0\u6a21\u5f0f\uff08Schemaless\uff09\u548c\u53ef\u6269\u5c55\uff08Scalable\uff09\u7684\u201c\u5206\u5e03\u5f0f\u67b6\u6784\u201d\u3002<\/p>\n<p>\u867d\u7136\u5982\u6b64\uff0cNoSQL\u5bf9\u4e8e\u5728\u4ee5\u5f80\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff08RDB\uff09\u4e2d\u81ea\u7136\u6ee1\u8db3\u7684\u529f\u80fd\uff0c\u5982\u6392\u9664\u8fde\u63a5\u5904\u7406\u6216\u7f3a\u4e4f\u4e8b\u52a1\u529f\u80fd\u7b49\uff0c\u8868\u73b0\u8f83\u5f31\u3002<\/p>\n<p>\u6362\u8a00\u4e4b\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u6570\u636e\u7684\u7279\u6027\u548c\u5904\u7406\u65b9\u5f0f\u6765\u8003\u8651\u662f\u5e94\u8be5\u91c7\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u8fd8\u662f\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u6216\u8005\u662f\u4e24\u79cd\u90fd\u91c7\u7528\u3002<\/p>\n<p>\u6211\u8ba4\u4e3a\uff0c\u4e4b\u6240\u4ee5\u5c06\u4ece\u4f01\u4e1a\u9886\u57df\u5b8c\u5168\u6392\u9664RDB\u79f0\u4e3a\u201cNot only\u201d\uff0c\u662f\u56e0\u4e3a\u8fd9\u5f88\u56f0\u96be\u3002<\/p>\n<h2>Cassandra\u662f\u4e00\u79cd\u4ec0\u4e48\u6837\u7684\u6570\u636e\u5e93\uff1f<\/h2>\n<p>Cassandra\u662f\u4e00\u4e2a\u7531Facebook\u5f00\u53d1\u5e76\u4e8e2008\u5e74\u5f00\u6e90\u7684\u6570\u636e\u5e93\uff0c\u5b83\u5c06Amazon Dynamo\u7684\u6982\u5ff5\u548cGoogle Bigtable\u7684\u67b6\u6784\u878d\u5408\u5728\u4e00\u8d77\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fd5913a08637a6da5ba\/13-0.png\" alt=\"cassandra_logo.png\" \/><\/div>\n<p>\u5361\u6851\u5fb7\u62c9\u662fNoSQL\u6570\u636e\u5e93\u4e2d\u4e13\u4e3a\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u800c\u8bbe\u8ba1\u7684\uff0c\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cNoSQL\u6570\u636e\u5e93\u503e\u5411\u4e8e\u91c7\u7528\u65e0\u56fa\u5b9a\u6a21\u5f0f\u7684\u6570\u636e\u5b58\u50a8\uff0c\u4f46\u4ece\u5e94\u7528\u7a0b\u5e8f\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u7ed3\u6784\u5316\u7684\u6570\u636e\u5728\u5f00\u53d1\u3001\u8fd0\u8425\u548c\u7ba1\u7406\u65b9\u9762\u5177\u6709\u4f18\u52bf\uff0c\u56e0\u6b64\u9700\u8981\u9884\u5148\u5b9a\u4e49\u6570\u636e\u6a21\u5f0f\u3002\u5361\u6851\u5fb7\u62c9\u652f\u6301\u5217\u5f0f\u5b58\u50a8\uff0c\u53ef\u4ee5\u5b9a\u4e49\u7075\u6d3b\u4e14\u52a8\u6001\u7684\u6570\u636e\u6a21\u578b\uff0c\u5305\u62ec\u5217\u8868\u548c\u6620\u5c04\u7b49\u6570\u7ec4\u7c7b\u578b\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5b83\u8fd8\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff0c\u53ef\u4ee5\u8bf4\u5b83\u662f\u4e00\u4e2a\u6ce8\u91cd\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7528\u6027\u7684\u6570\u636e\u5e93\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u3092\u30af\u30e9\u30b9\u30bf\u5185\u306e\u8907\u6570\u30ce\u30fc\u30c9\u3067\u5206\u6563\u4fdd\u6301\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6027\u80fd\u30fb\u5bb9\u91cf\u306e\u30ea\u30cb\u30a2\u306b\u30b9\u30b1\u30fc\u30eb\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30de\u30b9\u30bf\u30ec\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3001\u5358\u4e00\u969c\u5bb3\u70b9\u304c\u306a\u304f\u30ce\u30fc\u30c9\u969c\u5bb3\u6642\u306e\u30de\u30b9\u30bf\u5207\u308a\u66ff\u3048\u4e0d\u8981\u3067\u53ef\u7528\u6027\u3092\u53b3\u683c\u306b\u4fdd\u8a3c<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3092\u8de8\u3050\u30af\u30ed\u30b9\u30ea\u30fc\u30b8\u30e7\u30f3\u69cb\u6210\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u5e83\u57df\u707d\u5bb3\u306a\u3069BCP\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u53ef\u80fd<\/ul>\n<p>\u7531\u4e8e\u672c\u7bc7\u6587\u7ae0\u662f\u5173\u4e8e\u6570\u636e\u6a21\u578b\u7684\uff0c\u6240\u4ee5\u5173\u4e8e\u8fd9\u4e2a\u67b6\u6784\u7684\u89e3\u91ca\u53ef\u80fd\u4f1a\u5728\u4ee5\u540e\u7684\u67d0\u4e2a\u5730\u65b9\u5b8c\u6210&#8230;<\/p>\n<h2>\u7406\u89e3Cassandra\u7684\u6570\u636e\u6a21\u578b\u3002<\/h2>\n<p>Cassandra\u4ee5\u4e0e\u5173\u7cfb\u6570\u636e\u5e93\uff08RDB\uff09\u76f8\u540c\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u201c\u8868\u201d\u8fd9\u4e2a\u5355\u4f4d\u8fdb\u884c\u6570\u636e\u7ba1\u7406\u3002<br \/>\n\u8868\u88ab\u521b\u5efa\u5728\u79f0\u4e3a\u201c\u952e\u7a7a\u95f4\u201d\u7684\u533a\u57df\u4e2d\u3002\u7c7b\u4f3c\u4e8eOracle\u4e2d\u7684\u201c\u6a21\u5f0f\uff08schema\uff09\u201d\u3002<\/p>\n<p>\u5982\u524d\u6240\u8ff0\uff0cCassandra\u5728\u521b\u5efa\u8868\u65f6\u9700\u8981\u9884\u5148\u58f0\u660e\u5217\u548c\u7c7b\u578b\uff0c\u56e0\u4e3a\u5b83\u4f9d\u8d56\u4e8e\u6a21\u5f0f\u5b9a\u4e49\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cCassandra\u652f\u6301\u4e00\u79cd\u540d\u4e3aCQL\u7684\u4e13\u6709\u67e5\u8be2\u8bed\u8a00\uff0c\u53ef\u4ee5\u50cfSQL\u4e00\u6837\u4f7f\u7528\uff0c\u56e0\u6b64\u5373\u4f7f\u5bf9\u4e8e\u719f\u6089\u5173\u7cfb\u6570\u636e\u5e93\u7684\u4eba\u6765\u8bf4\uff0c\u4e5f\u53ef\u4ee5\u76f4\u89c2\u5730\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"n\">id<\/span>      <span class=\"nb\">text<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">body<\/span>    <span class=\"nb\">text<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">tag<\/span>     <span class=\"n\">list<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">text<\/span><span class=\"o\">&gt;<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">keyword<\/span> <span class=\"k\">map<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"nb\">text<\/span><span class=\"o\">&gt;<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"k\">PRIMARY<\/span> <span class=\"k\">KEY<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u4e0eRDB\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5b83\u652f\u6301\u5217\u8868\u3001\u6620\u5c04\u7b49\u6570\u7ec4\u7c7b\u578b\u3002\u8fd9\u4f7f\u5f97\u5728\u5b9a\u4e49\u6a21\u5f0f\u7684\u540c\u65f6\uff0c\u8fd8\u80fd\u7075\u6d3b\u5904\u7406\u534a\u7ed3\u6784\u5316\u6570\u636e\uff0c\u5982Json\u7b49\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"n\">id<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">body<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">tag<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">keyword<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">VALUES<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"s1\">'01'<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar15\u65e5\u76ee'<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span><span class=\"s1\">'26'<\/span><span class=\"err\">}<\/span>\r\n<span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">-- List\u3068Map\u306e\u8981\u7d20\u6570\u3092\u5897\u3084\u3057\u3066\u307f\u308b<\/span>\r\n<span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"n\">id<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">body<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">tag<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">keyword<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">VALUES<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"s1\">'02'<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar99\u65e5\u76ee'<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'Cassandra'<\/span><span class=\"p\">]<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'future-taro'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span><span class=\"s1\">'30'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'gender'<\/span><span class=\"p\">:<\/span><span class=\"s1\">'male'<\/span><span class=\"err\">}<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u65e0\u8bba\u662fList\u7c7b\u578b\u7684tag\u8fd8\u662fMap\u7c7b\u578b\u7684keyword\uff0c\u5b83\u4eec\u7684\u5143\u7d20\u6570\u91cf\u7684\u5dee\u5f02\u90fd\u4e0d\u4f1a\u5f71\u54cd\u6570\u636e\u7684\u63d2\u5165\uff0c\u56e0\u6b64\u53ef\u4ee5\u8bf4\u5b83\u662f\u4e00\u4e2a\u7075\u6d3b\u7684\u6570\u636e\u6a21\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                                                <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+--------------------------------------------------------+----------------------------------------------------<\/span>\r\n <span class=\"mi\">02<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar99<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'30'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'gender'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'male'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'future-taro'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Cassandra'<\/span><span class=\"p\">]<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span>                       <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span>              <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u8fd8\u6709\u4e00\u4e2aCassandra\u6570\u636e\u6a21\u578b\u4e2d\u5fc5\u987b\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u662f\u6570\u636e\u8bbf\u95ee\u7684\u65b9\u5f0f\u3002\u7531\u4e8eCassandra\u662f\u4e00\u79cd\u952e\u503c\u5b58\u50a8\uff08\u51c6\u786e\u5730\u8bf4\u662f\u5bbd\u5217\u5b58\u50a8\uff09\uff0c\u6240\u4ee5\u4e0d\u80fd\u5c06\u4e3b\u952e\u4ee5\u5916\u7684\u5217\u4f5c\u4e3a\u7b5b\u9009\u6761\u4ef6\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ee5\u5c06&#8221;body&#8221;\u5217\u6307\u5b9a\u4e3aWHERE\u5b50\u53e5\u7684\u6761\u4ef6\u4e3a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">body<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'AdventCalendar15\u65e5\u76ee'<\/span> <span class=\"p\">;<\/span>\r\n<span class=\"c1\">-- \u30a8\u30e9\u30fc\u767a\u751f<\/span>\r\n<span class=\"n\">InvalidRequest<\/span><span class=\"p\">:<\/span> <span class=\"n\">Error<\/span> <span class=\"k\">from<\/span> <span class=\"n\">server<\/span><span class=\"p\">:<\/span> <span class=\"n\">code<\/span><span class=\"o\">=<\/span><span class=\"mi\">2200<\/span> <span class=\"p\">[<\/span><span class=\"n\">Invalid<\/span> <span class=\"n\">query<\/span><span class=\"p\">]<\/span> <span class=\"n\">message<\/span><span class=\"o\">=<\/span><span class=\"nv\">\"Cannot execute this query as it might involve data filtering and thus may have unpredictable performance. If you want to execute this query despite the performance unpredictability, use ALLOW FILTERING\"<\/span>\r\n<\/code><\/pre>\n<p>\u53d1\u751f\u9519\u8bef\u5e76\u4e14\u65e0\u6cd5\u83b7\u53d6\u6570\u636e\u3002<br \/>\n\u5728\u8bbf\u95eeCassandra\u6570\u636e\u65f6\uff0c\u5fc5\u987b\u59cb\u7ec8\u6307\u5b9a\u4e3b\u952e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span> <span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+---------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u4ed4\u7ec6\u8bfb\u9519\u8bef\u4fe1\u606f\u53ef\u4ee5\u770b\u5230\u6709\u4e00\u53e5\u8bdd\u8bf4&#8221;\u8bf7\u4f7f\u7528ALLOW FILTERING&#8221;\u3002\u5982\u679c\u4e0d\u62c5\u5fc3\u6027\u80fd\u95ee\u9898\u7684\u8bdd\uff0c\u53ea\u9700\u6dfb\u52a0&#8221;ALLOW FILTERING&#8221;\u9009\u9879\u5373\u53ef\u6267\u884c\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e0b\u4e3a\u4ec0\u4e48\u5728WHERE\u8bed\u53e5\u4e2d\u6307\u5b9a\u975e\u4e3b\u952e\u5217\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p>Cassandra\u901a\u5e38\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u8fdb\u884c\u96c6\u7fa4\u914d\u7f6e\uff0c\u5e76\u6839\u636e\u5206\u533a\u952e\u7684\u54c8\u5e0c\u503c\u6765\u5206\u5e03\u5f0f\u5b58\u50a8\u6570\u636e\u3002<br \/>\n\u5728\u521b\u5efa\u8868\u65f6\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u201c\u4e3b\u952e=\u5206\u533a\u952e\u201d\uff0c\u56e0\u6b64\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c&#8221;id&#8221;\u5c06\u4f5c\u4e3a\u5206\u533a\u952e\u6765\u8fdb\u884c\u5206\u5e03\u5f0f\u5b58\u50a8\u3002<\/p>\n<p>\u5728\u5c06\u6570\u636e\u5b58\u50a8\u5230\u8868\u4e2d\u65f6\uff0c\u53ea\u4f1a\u521b\u5efa\u5206\u533a\u952e\u7684\u7d22\u5f15\uff0c\u56e0\u6b64\u8981\u6839\u636e\u5206\u533a\u952e\u53bb\u67e5\u627e\u6570\u636e\u5b58\u5728\u4e8e\u54ea\u4e2a\u8282\u70b9\u4e0a\u3002<\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5206\u533a\u952e\u8fdb\u884c\u8bbf\u95ee\uff0c\u5c31\u65e0\u6cd5\u5728\u4efb\u4f55\u8282\u70b9\u4e0a\u6ee1\u8db3\u6761\u4ef6\uff0c\u56e0\u6b64\u53ef\u4ee5\u8bf4\u4f7f\u7528&#8221;ALLOW FILTERING&#8221;\u8fdb\u884c\u6570\u636e\u8bbf\u95ee\u662f\u4e00\u79cd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u53cd\u6a21\u5f0f\u8bbf\u95ee\u65b9\u5f0f\u3002<\/p>\n<p>\u901a\u8fc7\u5728\u8868\u4e2d\u521b\u5efa\u6b21\u8981\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u4e3a\u4efb\u610f\u5217\u521b\u5efa\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">body_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span><span class=\"n\">body<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">body<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'AdventCalendar15\u65e5\u76ee'<\/span> <span class=\"p\">;<\/span>\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+---------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5728DynamoDB\u4e2d\uff0c\u5bf9\u4e8e\u521b\u5efa\u8f85\u52a9\u7d22\u5f15\u6709\u4e00\u5b9a\u9650\u5236\uff0c\u800c\u8fd9\u662fCassandara\u4e2d\u6ca1\u6709\u7684\u5c0f\u7279\u70b9\u3002<\/p>\n<h2>\u8003\u8651Cassandra\u7684\u6570\u636e\u6a21\u578b\u8bbe\u8ba1\u8981\u70b9<\/h2>\n<p>\u6211\u89c9\u5f97\u73b0\u5728\u5df2\u7ecf\u53ef\u4ee5\u5927\u6982\u60f3\u8c61\u51fa Cassandra \u7684\u6570\u636e\u6a21\u578b\u662f\u4ec0\u4e48\u6837\u5b50\u4e86\uff0c\u4f46\u6211\u4eec\u9700\u8981\u601d\u8003\u5982\u4f55\u8bbe\u8ba1\u624d\u80fd\u66f4\u597d\u5730\u8fdb\u884c\u8bbe\u7f6e\u3002<br \/>\n\u6211\u5728\u4e0b\u9762\u5217\u51fa\u4e86\u4e00\u4e9b\u6570\u636e\u6a21\u578b\u8bbe\u8ba1\u65f6\u7684\u8981\u70b9\u3002<br \/>\n\u867d\u7136\u6211\u5e0c\u671b\u80fd\u591f\u5ba3\u79f0\u8fd9\u662f\u6700\u4f73\u5b9e\u8df5\uff0c\u4f46\u7531\u4e8e\u6211\u4e5f\u5728\u8fdb\u884c\u4e2d\uff0c\u6240\u4ee5\u53ea\u80fd\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u8bf7\u8c05\u89e3\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u30cd\u30b9\u30c8\u3092\u6df1\u304f\u3057\u3059\u304e\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f7f\u7528\u3092\u524d\u63d0\u3068\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306b\u3057\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u975e\u6b63\u898f\u5316\u3059\u308b\u304b\u7591\u4f3c\u7d50\u5408\u3059\u308b\u304b\u691c\u8a0e\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ed\u30c3\u30af\u306f\u306a\u308b\u3079\u304f\u53d6\u5f97\u3057\u306a\u3044(\u5f8c\u52dd\u3061)\u3088\u3046\u306b\u8a2d\u8a08\u3059\u308b<\/ul>\n<h2>\u4e0d\u8981\u628a\u6570\u636e\u6a21\u578b\u7684\u5d4c\u5957\u8bbe\u8ba1\u5f97\u592a\u6df1\u3002<\/h2>\n<p>Cassandra\u9700\u8981\u9884\u5148\u5b9a\u4e49\u8868\u683c\u4ee5\u786e\u5b9a\u63a5\u6536\u6570\u636e\u7684\u5f62\u5f0f\u3002\u5982\u524d\u6240\u8ff0\uff0c\u4e3a\u4e86\u9002\u5e94\u7075\u6d3b\u7684\u6570\u636e\u6a21\u578b\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\uff0c\u5982\u5217\u8868\u548c\u6620\u5c04\u3002\u7136\u800c\uff0c\u5f80\u5f80\u4f1a\u5e0c\u671b\u5904\u7406\u591a\u5c42\u6b21\u7684\u6570\u636e\uff0c\u5982\u4e0b\u6240\u793a\u7684\u5d4c\u5957\u6620\u5c04\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"address\"<\/span> <span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"country\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"japan\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"city\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"saitama\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728Cassandra\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5904\u7406\u5bf9\u6570\u7ec4\u7684\u5d4c\u5957\uff0c\u4f46\u5728\u8868\u5b9a\u4e49\u65f6\u9700\u8981\u6307\u5b9a\u4e3a&#8221;frozen&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">test_table2<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"nb\">text<\/span> <span class=\"k\">PRIMARY<\/span> <span class=\"k\">KEY<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">f_map<\/span> <span class=\"k\">map<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"n\">frozen<\/span><span class=\"o\">&lt;<\/span><span class=\"k\">map<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"nb\">text<\/span><span class=\"o\">&gt;&gt;&gt;<\/span>\r\n<span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">test_table2<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"n\">id<\/span>\r\n <span class=\"p\">,<\/span> <span class=\"n\">f_map<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">VALUES<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"s1\">'01'<\/span>\r\n<span class=\"p\">,<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'address'<\/span><span class=\"p\">:<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'city'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'saitama'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'country'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'japan'<\/span><span class=\"err\">}}<\/span>\r\n<span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table2<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">f_map<\/span>\r\n<span class=\"c1\">----+------------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'address'<\/span><span class=\"p\">:<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'city'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'saitama'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'country'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'japan'<\/span><span class=\"err\">}}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5728\u8868\u8fbe\u6df1\u5ea6\u5d4c\u5957\u65f6\uff0c\u51bb\u7ed3\u662f\u975e\u5e38\u65b9\u4fbf\u7684\uff0c\u4f46\u5728\u4f7f\u7528\u65f6\u4e5f\u6709\u4ee5\u4e0b\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<ul class=\"post-ul\">Map,List\u306e\u3088\u3046\u306b\u8981\u7d20\u306b\u5bfe\u3059\u308b\u66f4\u65b0\u3001\u8ffd\u52a0\u3001\u524a\u9664\u51e6\u7406\u304c\u884c\u3048\u306a\u3044<\/ul>\n<p>\u5982\u679c\u662fMap\u6216List\uff0c\u60a8\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u6765\u64cd\u4f5c\u5143\u7d20\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+---------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\">-- tag\u306e\u8981\u7d20'Future'\u3092'future architect'\u306b\u5909\u66f4\u3057\u3066\u307f\u308b<\/span>\r\n<span class=\"k\">UPDATE<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">SET<\/span> <span class=\"n\">tag<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'Future Architect'<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+-------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future Architect'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\">-- tag\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u307f\u308b<\/span>\r\n<span class=\"k\">UPDATE<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">SET<\/span> <span class=\"n\">tag<\/span> <span class=\"o\">=<\/span> <span class=\"n\">tag<\/span> <span class=\"o\">+<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'append'<\/span><span class=\"p\">]<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+-----------------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future Architect'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'append'<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u80fd\u7528\u4e00\u79cd\u65b9\u5f0f\u5199\u6210\u4ee5\u4e0b\u7684\u4e2d\u6587\u91ca\u4e49\uff1a<br \/>\n\u65e0\u6cd5\u5bf9\u51bb\u7ed3\u9879\u76ee\u6267\u884c\u6b64\u64cd\u4f5c\u3002\u8981\u5bf9\u51bb\u7ed3\u9879\u76ee\u8fdb\u884c\u66f4\u65b0\uff0c\u9700\u8981\u5c06\u6574\u4e2a\u5143\u7d20\u66ff\u6362\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">UPDATE<\/span> <span class=\"n\">test_table2<\/span> <span class=\"k\">SET<\/span> <span class=\"n\">f_map<\/span> <span class=\"o\">=<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'address'<\/span><span class=\"p\">:<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'city'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'tokyo'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'country'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'japan'<\/span><span class=\"err\">}}<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table2<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">f_map<\/span>\r\n<span class=\"c1\">----+----------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'address'<\/span><span class=\"p\">:<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'city'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'tokyo'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'country'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'japan'<\/span><span class=\"err\">}}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9884\u8ba1\u5bf9\u5d4c\u5957\u6570\u7ec4\u7684\u90e8\u5206\u66f4\u65b0\uff0c\u800c\u4e14\u8fd9\u4e9b\u66f4\u65b0\u662f\u88ab\u51bb\u7ed3\u5b9a\u4e49\u7684\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u540c\u65f6\u4f20\u8f93\u66f4\u65b0\u76ee\u6807\u4ee5\u5916\u7684\u9879\u76ee\uff0c\u5bfc\u81f4\u4f20\u8f93\u7684\u6570\u636e\u91cf\u8fc7\u5927\uff0c\u540c\u65f6\u4e5f\u53ef\u80fd\u5bfc\u81f4\u540c\u65f6\u66f4\u65b0\u65f6\u51fa\u73b0\u4e0d\u4e00\u81f4\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<ul class=\"post-ul\">Map\u306e\u30ad\u30fc\u3084\u30a8\u30f3\u30c8\u30ea\u5024\u3092\u6761\u4ef6\u53e5\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u306a\u3044<\/ul>\n<p>\u5bf9\u4e8eMap\u9879\u76ee\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e3a\u5176\u6dfb\u52a0\u7d22\u5f15\u6765\u5c06\u5176\u7528\u4f5c\u641c\u7d22\u6761\u4ef6\uff0c\u4f46\u5bf9\u4e8e\u88ab\u51bb\u7ed3\u7684\u9879\u76ee\u65e0\u6cd5\u6dfb\u52a0\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                                                <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+--------------------------------------------------------+-----------------------------------------------------------<\/span>\r\n <span class=\"mi\">02<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar99<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'30'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'gender'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'male'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'future-taro'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span>        <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Cassandra'<\/span><span class=\"p\">]<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span>                       <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future Architect'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'append'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\">-- keyword\u306eKEY\u5024\u306b\u5bfe\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">key_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span> <span class=\"n\">KEYS<\/span> <span class=\"p\">(<\/span><span class=\"n\">keyword<\/span><span class=\"p\">)<\/span> <span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">keyword<\/span> <span class=\"k\">CONTAINS<\/span> <span class=\"k\">KEY<\/span> <span class=\"s1\">'gender'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                                                <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+--------------------------------------------------------+----------------------------------------------------<\/span>\r\n <span class=\"mi\">02<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar99<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'30'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'gender'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'male'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'future-taro'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Cassandra'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\">-- keyword\u306e\u30a8\u30f3\u30c8\u30ea\u5024\u306b\u5bfe\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">ent_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">test_table<\/span> <span class=\"p\">(<\/span> <span class=\"n\">ENTRIES<\/span>  <span class=\"p\">(<\/span><span class=\"n\">keyword<\/span><span class=\"p\">)<\/span> <span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">keyword<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                 <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------+----------------------------------+-----------------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AdventCalendar15<\/span><span class=\"err\">\u65e5\u76ee<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future Architect'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'append'<\/span><span class=\"p\">]<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6570\u636e\u6a21\u578b\u5d4c\u5957\u5f97\u592a\u6df1\uff0c\u5c31\u65e0\u6cd5\u7528\u4e8e\u641c\u7d22\u6761\u4ef6\uff0c\u4e5f\u65e0\u6cd5\u8fdb\u884c\u90e8\u5206\u66f4\u65b0\uff0c\u800c\u4e14\u53ef\u80fd\u9700\u8981\u610f\u60f3\u4e0d\u5230\u5730\u4f20\u8f93\u5927\u91cf\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5e94\u5c3d\u91cf\u907f\u514d\u4f7f\u7528frozen\u6765\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u3002<\/p>\n<h2>\u4e0d\u8981\u4f7f\u7528\u57fa\u4e8e\u7d22\u5f15\u7684\u8868\u8bbe\u8ba1\u3002<\/h2>\n<p>\u5728RDB\u4e2d\uff0c\u5373\u4f7f\u4f60\u5728\u5efa\u7acb\u7d22\u5f15\u7684\u524d\u63d0\u4e0b\uff0c\u4e5f\u4e0d\u8981\u968f\u610f\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u3002\u7279\u522b\u662f\u5728KVS\u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u7d22\u5f15\uff0c\u53ef\u80fd\u8fde\u6570\u636e\u8bbf\u95ee\u90fd\u65e0\u6cd5\u5b9e\u73b0\uff0c\u6240\u4ee5\u8981\u8c28\u614e\u9009\u62e9\u54ea\u4e2a\u5217\u4f5c\u4e3a\u5206\u533a\u952e\u3002<\/p>\n<p>\u5728Cassandra\u4e2d\uff0c\u901a\u8fc7\u521b\u5efa\u6b21\u8981\u7d22\u5f15\uff0c\u53ef\u4ee5\u5bf9\u4efb\u610f\u5217\u8fdb\u884c\u6761\u4ef6\u68c0\u7d22\uff0c\u4f46\u548cRDB\u4e00\u6837\uff0c\u9700\u8981\u6b63\u786e\u610f\u8bc6\u5230\u4e0d\u540c\u7684\u8bbf\u95ee\u65b9\u5f0f\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u4ee5\u4e0b\u8868\u683c\u548c\u8bb0\u5f55\uff0c\u5176\u4e2did\u662f\u5206\u533a\u952e\uff0c\u8bb0\u5f55\u88ab\u5206\u6563\u5b58\u50a8\u57285\u4e2a\u8282\u70b9\u4e0a\u3002<br \/>\n\u4e3a\u4e86\u6309\u7167date\u5217\u8fdb\u884c\u7b5b\u9009\uff0c\u9700\u8981\u521b\u5efa\u7d22\u5f15date_idx\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u6307\u5b9a\u65e5\u671f\u8fdb\u884c\u641c\u7d22\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6307\u5b9a\u6761\u4ef6\u4e3a\u201c2018-01-01\u201d\uff0c\u60a8\u5c06\u9700\u8981\u8bbf\u95ee\u201cid=02\u201d\u548c\u201cid=04\u201d\u8fd9\u4e24\u4e2a\u5206\u533a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fd5913a08637a6da5ba\/63-0.png\" alt=\"02.png\" \/><\/div>\n<p>\u5982\u679c\u300c2018-01-01\u300d\u7684\u57fa\u6570\u5f88\u4f4e\uff0c\u90a3\u5c31\u6ca1\u6709\u95ee\u9898\uff1b\u4f46\u662f\uff0c\u5982\u679c\u300c2018-01-01\u300d\u7684\u57fa\u6570\u589e\u52a0\uff0c\u5c31\u4f1a\u5bfc\u81f4\u5927\u91cf\u7684\u5206\u533a\u8bbf\u95ee\uff0c\u53ef\u80fd\u4f1a\u6210\u4e3a\u5206\u6563\u5904\u7406\u7684\u74f6\u9888\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u5df2\u7ecf\u5c06\u6307\u5b9a\u65e5\u671f\u7684\u641c\u7d22\u4f5c\u4e3a\u8981\u6c42\u56fa\u5b9a\u4e0b\u6765\uff0c\u90a3\u4e48\u53ef\u4ee5\u5c06\u65e5\u671f\u4f5c\u4e3a\u5206\u533a\u952e\u6765\u6784\u5efa\uff0c\u8fd9\u6837\u4e00\u6765\uff0c\u7d22\u5f15\u672c\u8eab\u4e5f\u5c31\u4e0d\u518d\u9700\u8981\u4e86\uff0c\u8bbf\u95ee\u4e5f\u5c06\u59cb\u7ec8\u9650\u5b9a\u5728\u4e00\u4e2a\u5206\u533a\u4e2d\uff0c\u63d0\u9ad8\u4e86\u641c\u7d22\u6548\u7387\u5e76\u4e14\u6027\u80fd\u66f4\u52a0\u7a33\u5b9a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fd5913a08637a6da5ba\/66-0.png\" alt=\"03.png\" \/><\/div>\n<p>\u6574\u7406\u5e76\u5ba1\u8bae\u5e94\u7528\u7a0b\u5e8f\u641c\u7d22\u8981\u6c42\u548c\u7528\u4e8e\u641c\u7d22\u7684\u9879\u76ee\u4ee5\u8fdb\u884c\u6570\u636e\u6a21\u578b\u8003\u8651\u5c06\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<br \/>\n\u7531\u4e8eNoSQL\u53ef\u4ee5\u8f7b\u677e\u6269\u5c55\u6570\u636e\u5bb9\u91cf\uff0c\u56e0\u6b64\u8003\u8651\u4e3a\u6bcf\u4e2a\u641c\u7d22\u6761\u4ef6\u521b\u5efa\u6700\u4f18\u8868\u683c\u4e5f\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2a\u610f\u5916\u7684\u73b0\u5b9e\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u9806\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5728Cassandra\u4e2d\uff0c\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u65b0\u7684\u4e3b\u952e\u548c\u5217\u6765\u91cd\u65b0\u6784\u5efa\u4e3a\u7269\u5316\u89c6\u56fe\u3002\u8fd9\u662f\u4e00\u4e2a\u5f88\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u65e0\u6cd5\u76f4\u63a5\u66f4\u65b0\u89c6\u56fe\uff0c\u800c\u662f\u5728\u539f\u59cb\u8868\u66f4\u65b0\u65f6\u4ee5\u5f02\u6b65\u65b9\u5f0f\u534f\u8c03\u3002<\/p>\n<h2>3. \u8003\u8651\u975e\u6b63\u89c4\u5316\u6216\u4f2a\u8fde\u63a5\u7684\u5173\u7cfb<\/h2>\n<p>\u7531\u4e8eKVS\u57fa\u672c\u4e0a\u662f\u57fa\u4e8e\u952e\u8bbf\u95ee\u7684\uff0c\u56e0\u6b64\u5b83\u662f\u9488\u5bf9\u5355\u4e2a\u8868\u7684\u6570\u636e\u8bbf\u95ee\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u4e0e\u5728RDB\u4e2d\u5e38\u89c1\u7684\u8868\u8fde\u63a5\u64cd\u4f5c\u76f8\u53cd\uff0c\u5b83\u4ece\u4e00\u5f00\u59cb\u5c31\u4e0d\u652f\u6301\u8be5\u601d\u60f3\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u4e2a\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u662f\u6839\u636eNoSQL\u7684\u7279\u70b9\uff0c\u653e\u5f03\u89c4\u8303\u5316\u5e76\u5197\u4f59\u5730\u5b58\u50a8\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u5feb\u901f\u4fdd\u8bc1\u6027\u80fd\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5b9e\u9645\u4e0a\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5c06\u6570\u636e\u4ee5\u975e\u89c4\u8303\u5316\u7684\u65b9\u5f0f\u4fdd\u5b58\u53ef\u80fd\u5f88\u56f0\u96be\u3002<br \/>\n\u867d\u7136\u4e0eNoSQL\u7684\u7406\u5ff5\u76f8\u6096\uff0c\u4f46\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u9009\u62e9\u91c7\u7528\u4e00\u79cd\u6a21\u62df\u8fde\u63a5\u7684\u65b9\u6cd5\u4e5f\u662f\u4e00\u4e2a\u9009\u9879\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528List\u6216Map\u6570\u7ec4\u7c7b\u578b\u6765\u8868\u793a\u5173\u7cfb\u3002\u901a\u8fc7\u4ece\u4f5c\u8005\u83b7\u53d6\u6587\u7ae0\u5173\u7cfb\u7684\u5217\u8868\uff0c\u5e76\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u6309\u952e\u8bbf\u95ee\u8be5\u5217\u8868\u7684\u5143\u7d20\u6765\u83b7\u53d6\u503c\uff0c\u4ece\u800c\u53ef\u4ee5\u8868\u793a\u4f2a\u8fde\u63a5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">author<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">author<\/span>  <span class=\"o\">|<\/span> <span class=\"n\">relations<\/span>\r\n<span class=\"c1\">----+---------+-----------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Iwasaki<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'aaa'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'bbb'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'ccc'<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">article<\/span> <span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span>  <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>     <span class=\"o\">|<\/span> <span class=\"n\">title<\/span>\r\n<span class=\"c1\">-----+----------+--------------------------------------------------<\/span>\r\n <span class=\"n\">aaa<\/span> <span class=\"o\">|<\/span> <span class=\"n\">hogehoge<\/span> <span class=\"o\">|<\/span>    <span class=\"n\">SQLonHadoop<\/span><span class=\"p\">(<\/span><span class=\"n\">ApachDrill<\/span><span class=\"p\">)<\/span><span class=\"err\">\u3092\u5c0e\u5165\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8<\/span>\r\n <span class=\"n\">bbb<\/span> <span class=\"o\">|<\/span> <span class=\"n\">hugahuga<\/span> <span class=\"o\">|<\/span>             <span class=\"n\">Tableau<\/span> <span class=\"err\">\u00d7<\/span> <span class=\"n\">R<\/span> <span class=\"err\">\u3067\u6642\u7cfb\u5217\u5206\u6790\u3092\u3084\u3063\u3066\u307f\u308b<\/span>\r\n <span class=\"n\">ccc<\/span> <span class=\"o\">|<\/span> <span class=\"n\">hugehuge<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Cassandra<\/span><span class=\"err\">\u304b\u3089<\/span><span class=\"n\">KVS<\/span><span class=\"err\">\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u308b<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u7531\u4e8e1\u952e\u8bbf\u95ee\u662f\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u7684\u8bbf\u95ee\uff0c\u6240\u4ee5\u5982\u679c\u5173\u8054\u7684\u5143\u7d20\u6570\u91cf\u572810\u523020\u5de6\u53f3\uff0c\u5219\u5b83\u662f\u4e00\u79cd\u53cd\u6a21\u5f0f\uff0c\u4f46\u7531\u4e8e\u5b83\u53ef\u4ee5\u4ee5\u73b0\u5b9e\u7684\u901f\u5ea6\u8fd4\u56de\u54cd\u5e94\uff0c\u5b83\u53ef\u80fd\u6210\u4e3a\u6570\u636e\u6a21\u578b\u8bbe\u8ba1\u65f6\u7684\u4e00\u4e2a\u9009\u62e9\u3002<\/p>\n<p>\u65e0\u8bba\u662f\u901a\u8fc7\u6b21\u8981\u7d22\u5f15\u8fd8\u662f\u8bbf\u95ee\u8d85\u8fc7\u5343\u4e07\u4e2a\u5143\u7d20\u7684\u60c5\u51b5\uff0c\u90fd\u4e0d\u5e94\u8be5\u4f7f\u7528\u5173\u952e\u8bbf\u95ee\u3002<br \/>\n\u57fa\u672c\u4e0a\u5e94\u8be5\u8003\u8651\u975e\u89c4\u8303\u5316\u8def\u7ebf\uff0c\u53ea\u6709\u5728\u786e\u5b9e\u9700\u8981\u8868\u793a\u5173\u7cfb\u65f6\u624d\u8003\u8651\u4f7f\u7528\u4f2a\u8fde\u63a5\u662f\u4e00\u79cd\u601d\u8def\u3002<\/p>\n<p>\u5982\u679c\u6982\u5ff5\u6570\u636e\u6a21\u578b\u4e2d\u6d89\u53ca\u7684\u5b9e\u4f53\u8f83\u591a\uff0c\u9009\u62e9\u5173\u7cfb\u6570\u636e\u5e93\uff08RDB\uff09\u800c\u4e0d\u662fNoSQL\u53ef\u80fd\u4f1a\u66f4\u52a0\u6109\u5feb\u3002<\/p>\n<h2>\u5c3d\u91cf\u8bbe\u8ba1\u4e0d\u8981\u83b7\u53d6\u9501<\/h2>\n<p>RDB\u4e2d\u7684\u5fc5\u9700\u529f\u80fd\u662f\u4e8b\u52a1\uff0c\u4f46\u5728NoSQL\u4e2d\u5f80\u5f80\u4e0d\u652f\u6301\u3002<br \/>\n\u539f\u56e0\u662f\u56e0\u4e3aNoSQL\u672c\u8eab\u5c31\u6392\u9664\u4e86\u8fde\u63a5\u8868\u7684\u601d\u60f3\u3002<\/p>\n<p>Cassandra \u63d0\u4f9b\u4e86\u9002\u7528\u4e8e\u5355\u4e2a\u8bb0\u5f55\u7684\u8f7b\u91cf\u7ea7\u4e8b\u52a1\u529f\u80fd\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u8f7b\u91cf\u7ea7\u4e8b\u52a1\uff0c\u60a8\u53ef\u4ee5\u5728\u63d2\u5165\u6216\u66f4\u65b0\u8bb0\u5f55\u65f6\u68c0\u67e5\u6700\u65b0\u7684\u503c\uff0c\u7136\u540e\u6267\u884c\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">UPDATE<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">SET<\/span> <span class=\"n\">body<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u8efd\u91cf\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528'<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span> <span class=\"n\">IF<\/span> <span class=\"n\">keyword<\/span><span class=\"p\">[<\/span><span class=\"s1\">'name'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"p\">[<\/span><span class=\"n\">applied<\/span><span class=\"p\">]<\/span>\r\n<span class=\"c1\">-----------<\/span>\r\n      <span class=\"k\">True<\/span>\r\n\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">id<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'01'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">id<\/span> <span class=\"o\">|<\/span> <span class=\"n\">body<\/span>                       <span class=\"o\">|<\/span> <span class=\"n\">keyword<\/span>                          <span class=\"o\">|<\/span> <span class=\"n\">tag<\/span>\r\n<span class=\"c1\">----+----------------------------+----------------------------------+-----------------------------------------------------------<\/span>\r\n <span class=\"mi\">01<\/span> <span class=\"o\">|<\/span> <span class=\"err\">\u8efd\u91cf\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528<\/span> <span class=\"o\">|<\/span> <span class=\"err\">{<\/span><span class=\"s1\">'age'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'26'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'name'<\/span><span class=\"p\">:<\/span> <span class=\"s1\">'Iwasaki'<\/span><span class=\"err\">}<\/span> <span class=\"o\">|<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'Future Architect'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'NoSQL'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'AdventCalendar'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'append'<\/span><span class=\"p\">]<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5982\u679c\u7ed9\u4e88\u8bf8\u5982\u9501\u6807\u5fd7\u7b49\u63a7\u5236\u9879\uff0c\u5c31\u53ef\u4ee5\u5229\u7528\u8f7b\u91cf\u4e8b\u52a1\u5b9e\u73b0\u4e50\u89c2\u9501\u5f0f\u7684\u66f4\u65b0\u3002\u5c06\u9501\u8868\u5265\u79bb\u51fa\u6765\uff0c\u5e76\u4e14\u901a\u8fc7\u67e5\u770b\u9501\u8868\u540e\u518d\u8fdb\u884c\u66f4\u65b0\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u60b2\u89c2\u9501\u5f0f\u7684\u5b9e\u73b0\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728\u4f7f\u7528\u8f7b\u91cf\u7ea7\u4e8b\u52a1\u65f6\uff0c\u5fc5\u987b\u5148\u8bfb\u53d6\u6700\u65b0\u7ed3\u679c\u518d\u8fdb\u884c\u66f4\u65b0\uff0c\u56e0\u6b64\u5728\u5199\u5165\u4e4b\u524d\u4f1a\u51fa\u73b0\u8bfb\u53d6\u64cd\u4f5c\uff0c\u5bfc\u81f4\u64cd\u4f5c\u5ef6\u8fdf\u6bd4\u666e\u901a\u66f4\u65b0\u9ad8\u51fa\u8fd14\u500d\uff0c\u6240\u4ee5\u5fc5\u987b\u5c3d\u91cf\u51cf\u5c11\u4f7f\u7528\u3002<\/p>\n<p>\u7531\u4e8eCassandra\u53ef\u4ee5\u6839\u636e\u6bcf\u4e2a\u67e5\u8be2\u66f4\u6539\u8bfb\u53d6\u548c\u5199\u5165\u65f6\u7684\u4e00\u81f4\u6027\u7ea7\u522b\uff0c\u56e0\u6b64\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3aQuorum\uff08\u591a\u6570\u6d3e\uff09\u4ee5\u786e\u4fdd\u7ed3\u679c\u7684\u4e00\u81f4\u6027\uff0c\u5e76\u4e14\u901a\u8fc7\u59cb\u7ec8\u5b9e\u73b0\u540e\u8005\u80dc\u5229\u800c\u65e0\u9700\u83b7\u53d6\u9501\u5b9a\uff0c\u4ece\u800c\u4f7f\u5176\u53d8\u5f97\u7b80\u5355\u3002<\/p>\n<p>\u5efa\u8bae\u5728\u8fdb\u884c\u9009\u62e9\u4e4b\u524d\u8ba4\u771f\u8fdb\u884cPoC\u6d4b\u8bd5\uff0c\u56e0\u4e3a\u5373\u4f7f\u5ba3\u79f0\u5728NoSQL\u4e2d\u652f\u6301\u4e8b\u52a1\u7ba1\u7406\u7684\u4ea7\u54c1\u4e5f\u53ef\u80fd\u5b58\u5728\u6027\u80fd\u95ee\u9898\uff0c\u8fd9\u5e76\u4e0d\u5c40\u9650\u4e8eCassandra\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5bf9\u6b63\u5728\u8003\u8651\u91c7\u7528NoSQL\u6216\u8005\u6b63\u5728\u7814\u7a76\u6570\u636e\u6a21\u578b\u7684\u4eba\u4eec\u6709\u6240\u5e2e\u52a9\uff0c\u867d\u7136\u6211\u5199\u5f97\u6709\u4e9b\u6742\u4e71\u65e0\u7ae0\u3002<\/p>\n<h2>\u8ffd\u52a0\u6ce8\u91ca<\/h2>\n<p>\u8acb\u9ede\u64ca\u9023\u7d50\u95b1\u8b80\u6211\u7684\u6700\u65b0\u6280\u8853\u90e8\u843d\u683c\u6587\u7ae0\uff0c\u95dc\u65bccassandra\u3002<\/p>\n<p>\u6211\u4eec\u53c8\u65b0\u589e\u4e86\u4e00\u7bc7\u65b0\u6587\u7ae0\u3002<br \/>\nhttps:\/\/future-architect.github.io\/articles\/20210412a\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u4ee5\u540e\u6211\u4f1a\u8d1f\u8d23Future Advent Calendar\u7684\u7b2c15\u5929\u3002 \u6700\u8fd1\uff0c\u201c\u5927\u6570\u636e\u201d\u8fd9\u4e2a\u8bcd\u5df2\u7ecf\u5b8c\u5168\u6e17\u900f [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50219","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u601d\u8003Cassandra\u5bf9\u4e8eKVS\u7684\u6570\u636e\u6a21\u578b\u7684\u95ee\u9898 - 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\/\u601d\u8003cassandra\u5bf9\u4e8ekvs\u7684\u6570\u636e\u6a21\u578b\u7684\u95ee\u9898\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u601d\u8003Cassandra\u5bf9\u4e8eKVS\u7684\u6570\u636e\u6a21\u578b\u7684\u95ee\u9898\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u4ee5\u540e\u6211\u4f1a\u8d1f\u8d23Future Advent Calendar\u7684\u7b2c15\u5929\u3002 \u6700\u8fd1\uff0c\u201c\u5927\u6570\u636e\u201d\u8fd9\u4e2a\u8bcd\u5df2\u7ecf\u5b8c\u5168\u6e17\u900f [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u601d\u8003cassandra\u5bf9\u4e8ekvs\u7684\u6570\u636e\u6a21\u578b\u7684\u95ee\u9898\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-02T17:49:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T09:55:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fd5913a08637a6da5ba\/13-0.png\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" 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