{"id":50442,"date":"2022-12-21T08:13:18","date_gmt":"2022-07-02T00:19:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8rails%e7%a7%8d%e5%ad%90%e6%96%87%e4%bb%b6%e4%b8%ad%e5%bf%ab%e9%80%9f%e5%af%bc%e5%85%a5%e5%a4%a7%e9%87%8f%e6%95%b0%e6%8d%ae%e7%9a%84%e6%96%b9%e6%b3%95\/"},"modified":"2024-01-15T13:14:54","modified_gmt":"2024-01-15T05:14:54","slug":"%e5%9c%a8rails%e7%a7%8d%e5%ad%90%e6%96%87%e4%bb%b6%e4%b8%ad%e5%bf%ab%e9%80%9f%e5%af%bc%e5%85%a5%e5%a4%a7%e9%87%8f%e6%95%b0%e6%8d%ae%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8rails%e7%a7%8d%e5%ad%90%e6%96%87%e4%bb%b6%e4%b8%ad%e5%bf%ab%e9%80%9f%e5%af%bc%e5%85%a5%e5%a4%a7%e9%87%8f%e6%95%b0%e6%8d%ae%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u5728Rails\u79cd\u5b50\u6587\u4ef6\u4e2d\u5feb\u901f\u5bfc\u5165\u5927\u91cf\u6570\u636e\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>\u4f60\u6709\u6ca1\u6709\u9047\u5230\u8fc7\u60f3\u8981\u5728Seed\u6587\u4ef6\u4e2d\u7f16\u5199\u4ee3\u7801\u4e00\u6b21\u6027\u8f93\u5165\u5927\u91cf\u6570\u636e\u7684\u65f6\u5019\u5462\uff1f\u6211\u60f3\u8981\u5c06\u5927\u91cf\u7d20\u6570\u8f93\u5165\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u4e8e\u662f\u8003\u8651\u4e86\u4e00\u79cd\u5feb\u901f\u7684\u8f93\u5165\u65b9\u6cd5\u3002<\/p>\n<p>\u73af\u5883\uff1aRuby 2.1\uff0cRails 4.0.2<br \/>\n\u7535\u8111\u89c4\u683c\uff1a<br \/>\nMacBookAir 13\u82f1\u5bf8\uff0c2011\u5e74\u4e2d\u671f<br \/>\n\u5904\u7406\u5668 1.7 GHz Intel Core i5<br \/>\n\u5185\u5b58 4 GB 1333 MHz DDR3<\/p>\n<p>\u6570\u636e\u5e93\uff1amysql2<\/p>\n<p>\u8fd9\u5f20\u684c\u5b50\u975e\u5e38\u7b80\u5355\u3002<br \/>\n\u4ee5\u4e0b\u4e3a\u8fc1\u79fb\u8bb0\u5f55\u3002<br \/>\n\u53ea\u6709\u4e24\u4e2a\u5217\uff0c\u5206\u522b\u662fID\u548c\u8d28\u6570\u4e24\u4e2a\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">CreatePrimeNumbers<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">ActiveRecord<\/span><span class=\"o\">::<\/span><span class=\"no\">Migration<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nf\">change<\/span>\r\n    <span class=\"n\">create_table<\/span> <span class=\"ss\">:prime_numbers<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">t<\/span><span class=\"o\">|<\/span>\r\n      <span class=\"n\">t<\/span><span class=\"p\">.<\/span><span class=\"nf\">integer<\/span> <span class=\"ss\">:prime_number<\/span>\r\n    <span class=\"k\">end<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u8bf7\u591a\u6b21\u5c1d\u8bd5\u4e0b\u9762\u7684\u547d\u4ee4\u5e76\u8fdb\u884c\u6d4b\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; bundle exec time spring rake db:reset\r\n<\/code><\/pre>\n<p>\u5c3d\u91cf\u8282\u7ea6\u5185\u5b58\u4f7f\u7528\uff0c\u5173\u95ed\u6d4f\u89c8\u5668\u5e76\u5173\u95ed\u4e0d\u9700\u8981\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<br \/>\n\u4ec5\u4fdd\u7559\u7ec8\u7aef\u548c\u7f16\u8f91\u5668\u8fd9\u6837\u7684\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u901a\u8fc7\u5728\u4e92\u8054\u7f51\u4e0a\u6bd4\u8f83 Cassandra\u3001Mongodb\u3001SQLite\u3001H2\u3001MySQL\u3001Postgres \u7684\u6027\u80fd\u7684\u6587\u7ae0\u540e\uff0c\u8d77\u521d\u6211\u6253\u7b97\u4f7f\u7528SQLite3\u3002<\/p>\n<p>\u79cd\u5b50\u6587\u4ef6\u5982\u4e0b\u6240\u793a<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'Prime'<\/span>\r\n<span class=\"no\">Prime<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span> <span class=\"o\">**<\/span> <span class=\"mi\">6<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">prime<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"no\">PrimeNumber<\/span><span class=\"p\">.<\/span><span class=\"nf\">create<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"ss\">prime_number: <\/span><span class=\"n\">prime<\/span>\r\n<span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u4ece0\u5230100\u4e07\u4e4b\u95f4\u7684\u6240\u6709\u6570\u5b57\u8fdb\u884c\u7d20\u6570\u68c0\u6d4b\uff0c\u5e76\u5c06\u5176\u5b58\u5165\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; bundle exec time spring rake db:reset\r\n-- create_table(\"prime_numbers\", {:force=&gt;true})\r\n   -&gt; 0.0120s\r\n-- initialize_schema_migrations_table()\r\n   -&gt; 0.0057s\r\n      172.77 real         0.34 user         0.04 sys\r\n\r\n<\/code><\/pre>\n<h2>\u4e00\u767e\u4e03\u5341\u4e8c\u79d2(sqlite3)\u3002<\/h2>\n<p>\u6211\u5c1d\u8bd5\u5728MySQL\u4e0a\u8fdb\u884c\u4e86\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; bundle exec time spring rake db:reset\r\n-- create_table(\"prime_numbers\", {:force=&gt;true})\r\n   -&gt; 0.0279s\r\n-- initialize_schema_migrations_table()\r\n   -&gt; 0.0396s\r\n       97.99 real         0.34 user    \r\n<\/code><\/pre>\n<h2>97\u79d2\u7684mysql2\u53d8\u6210\u4e861.7\u500d\u7684\u7f29\u5c0f\u3001\u3001\u3001\u3001<\/h2>\n<p>\u56e0\u4e3a\u6b63\u5728\u4f7f\u7528ActiveRecord\uff0c\u6240\u4ee5\u5f88\u6162\u3002<br \/>\n\u6240\u4ee5\u5c1d\u8bd5\u76f4\u63a5\u7f16\u5199SQL\u8bed\u53e5\u6765\u6d4b\u8bd5\u4e00\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'Prime'<\/span>\r\n\r\n<span class=\"no\">Prime<\/span><span class=\"p\">.<\/span><span class=\"nf\">each_with_index<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span> <span class=\"o\">**<\/span> <span class=\"mi\">6<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">prime<\/span><span class=\"p\">,<\/span> <span class=\"n\">index<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"no\">ActiveRecord<\/span><span class=\"o\">::<\/span><span class=\"no\">Base<\/span><span class=\"p\">.<\/span><span class=\"nf\">connection<\/span><span class=\"p\">.<\/span><span class=\"nf\">execute<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Insert INTO prime_numbers (id, prime_number) VALUES\r\n  (  <\/span><span class=\"si\">#{<\/span><span class=\"n\">index<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"si\">}<\/span><span class=\"s2\">, <\/span><span class=\"si\">#{<\/span><span class=\"n\">prime<\/span><span class=\"si\">}<\/span><span class=\"s2\"> );\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; bundle exec time spring rake db:reset\r\n-- create_table(\"prime_numbers\", {:force=&gt;true})\r\n   -&gt; 0.0173s\r\n-- initialize_schema_migrations_table()\r\n   -&gt; 0.0368s\r\n       32.03 real         0.33 user         0.03 sys\r\n<\/code><\/pre>\n<h2>\u7ed3\u679c\u572832\u79d2\u5185\uff08mysql2\uff09\u5927\u5e45\u63d0\u5347\uff01<\/h2>\n<p>\u987a\u4fbf\u63d0\u4e00\u53e5\uff0c\u5982\u679c\u662f\u4f7f\u7528SQLite3\uff0c\u82b1\u4e8688\u79d2\uff08sqlite3\uff09\uff0c\u8fd9\u6b21\u5927\u5e45\u589e\u52a0\u4e86\u3002<\/p>\n<p>\u5982\u679c\u8fdb\u884c\u5e76\u884c\u5904\u7406\uff0c\u53ef\u80fd\u4f1a\u66f4\u5feb\u7684\uff0c\u6240\u4ee5\u6211\u60f3\u8bd5\u8bd5\u770b\u3002<br \/>\n\u5728Ruby\u4e2d\u5b89\u88c5\u4e00\u4e2a\u53ef\u4ee5\u8f7b\u677e\u5f15\u5165\u5e76\u884c\u5904\u7406\u7684gem\uff0c\u53eb\u4f5cParallel\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'Prime'<\/span>\r\n<span class=\"nb\">require<\/span> <span class=\"s1\">'parallel'<\/span>\r\n\r\n<span class=\"n\">primes<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Prime<\/span><span class=\"p\">.<\/span><span class=\"nf\">each_with_index<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span> <span class=\"o\">**<\/span> <span class=\"mi\">6<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"no\">Parallel<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span><span class=\"p\">(<\/span><span class=\"n\">primes<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:in_processes<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">10<\/span> <span class=\"p\">)<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">prime<\/span><span class=\"p\">,<\/span> <span class=\"n\">index<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"no\">ActiveRecord<\/span><span class=\"o\">::<\/span><span class=\"no\">Base<\/span><span class=\"p\">.<\/span><span class=\"nf\">connection<\/span><span class=\"p\">.<\/span><span class=\"nf\">execute<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Insert INTO prime_numbers (id, prime_number) VALUES\r\n      (  <\/span><span class=\"si\">#{<\/span><span class=\"n\">index<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"si\">}<\/span><span class=\"s2\">, <\/span><span class=\"si\">#{<\/span><span class=\"n\">prime<\/span><span class=\"si\">}<\/span><span class=\"s2\"> );\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; bundle exec time spring rake db:reset\r\n-- create_table(\"prime_numbers\", {:force=&gt;true})\r\n   -&gt; 0.0241s\r\n-- initialize_schema_migrations_table()\r\n   -&gt; 0.0410s\r\n       13.96 real         0.33 user         0.03 sys\r\n<\/code><\/pre>\n<h2>\u7ed3\u679c\u662f13\u79d2!!!<br \/>\n\u7b54\u6848\u662f13\u79d2!!!<br \/>\n\u6210\u7ee9\u662f13\u79d2!!!<br \/>\n\u62a5\u544a\u662f13\u79d2!!!<\/h2>\n<p>\u65f6\u95f4\u51cf\u5c11\u4e8619\u79d2\u3002<\/p>\n<p>\u4ece\u6700\u521d\u7684172\u79d2\u523013\u79d2\uff0c\u901f\u5ea6\u63d0\u5347\u4e86\u7ea613\u500d\u3002<\/p>\n<p>\u5982\u679c\u6279\u91cf\u63d2\u5165\u5c06\u53d8\u5feb\uff0c\u6211\u662f\u5426\u53ef\u4ee5\u8bd5\u8bd5\uff1f\u6211\u5f97\u5230\u4e86\u8fd9\u6837\u7684\u8bc4\u8bba\u5e76\u5c1d\u8bd5\u4e86\u4e00\u4e0b\u3002<br \/>\n\u53c2\u8003\u6587\u7ae0\uff08http:\/\/qiita.com\/xend\/items\/79184ded56158ea1b97a\uff09\u3002<br \/>\n\u636e\u8bf4\uff0c\u5982\u679c\u5728gem\u4e2d\u5b89\u88c5activerecord-import\uff0c\u5c31\u53ef\u4ee5\u5728import\u65b9\u6cd5\u4e2d\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'Prime'<\/span>\r\n<span class=\"n\">arr_prime<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n<span class=\"no\">Prime<\/span><span class=\"p\">.<\/span><span class=\"nf\">each<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span> <span class=\"o\">**<\/span> <span class=\"mi\">6<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">prime<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"n\">arr_prime<\/span> <span class=\"o\">&lt;&lt;<\/span> <span class=\"no\">PrimeNumber<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"ss\">:prime_number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"n\">prime<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n\r\n<span class=\"no\">PrimeNumber<\/span><span class=\"p\">.<\/span><span class=\"nf\">import<\/span> <span class=\"n\">arr_prime<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code> bundle exec time spring rake db:reset\r\n-- create_table(\"prime_numbers\", {:force=&gt;true})\r\n   -&gt; 0.0439s\r\n-- initialize_schema_migrations_table()\r\n   -&gt; 0.0468s\r\n       12.80 real         0.40 user         0.04 sys\r\n<\/code><\/pre>\n<h2>\u7b54\u6848\u4e3a: \u7ed3\u679c\u662f12\u79d2!!!<\/h2>\n<p>\u7528SQL\u76f4\u63a5\u7f16\u5199\u53ef\u80fd\u4f1a\u66f4\u5feb\uff0c\u4f46\u6548\u679c\u4e0d\u592a\u597d\uff0c\u6211\u6b63\u5728\u8003\u8651\u4e2d\u3002<\/p>\n<p>\u8fd8\u5728\u5bfb\u627e\u80fd\u66f4\u5feb\u7684\u65b9\u5f0f\u3002<\/p>\n<p>\u5982\u679c\u6709\u66f4\u5feb\u7684\u65b9\u6cd5\uff0c\u8bf7\u7559\u4e0b\u8bc4\u8bba\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u6709\u6ca1\u6709\u9047\u5230\u8fc7\u60f3\u8981\u5728Seed\u6587\u4ef6\u4e2d\u7f16\u5199\u4ee3\u7801\u4e00\u6b21\u6027\u8f93\u5165\u5927\u91cf\u6570\u636e\u7684\u65f6\u5019\u5462\uff1f\u6211\u60f3\u8981\u5c06\u5927\u91cf\u7d20\u6570\u8f93\u5165\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u4e8e\u662f\u8003\u8651 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50442","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>\u5728Rails\u79cd\u5b50\u6587\u4ef6\u4e2d\u5feb\u901f\u5bfc\u5165\u5927\u91cf\u6570\u636e\u7684\u65b9\u6cd5 - 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\/\u5728rails\u79cd\u5b50\u6587\u4ef6\u4e2d\u5feb\u901f\u5bfc\u5165\u5927\u91cf\u6570\u636e\u7684\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Rails\u79cd\u5b50\u6587\u4ef6\u4e2d\u5feb\u901f\u5bfc\u5165\u5927\u91cf\u6570\u636e\u7684\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u4f60\u6709\u6ca1\u6709\u9047\u5230\u8fc7\u60f3\u8981\u5728Seed\u6587\u4ef6\u4e2d\u7f16\u5199\u4ee3\u7801\u4e00\u6b21\u6027\u8f93\u5165\u5927\u91cf\u6570\u636e\u7684\u65f6\u5019\u5462\uff1f\u6211\u60f3\u8981\u5c06\u5927\u91cf\u7d20\u6570\u8f93\u5165\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u4e8e\u662f\u8003\u8651 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728rails\u79cd\u5b50\u6587\u4ef6\u4e2d\u5feb\u901f\u5bfc\u5165\u5927\u91cf\u6570\u636e\u7684\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-02T00:19:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-15T05:14:54+00:00\" 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