{"id":182824,"date":"2024-11-10T00:09:19","date_gmt":"2024-11-09T16:09:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182824\/"},"modified":"2024-11-10T00:09:20","modified_gmt":"2024-11-09T16:09:20","slug":"%e5%af%a6%e6%99%82%e6%9b%b4%e6%96%b0%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e5%ae%b9%e7%9a%84%e5%a2%9e%e9%87%8f%e5%b1%95%e7%a4%ba%ef%bc%88%e9%a1%af%e7%a4%ba%e5%a2%9e%e5%8a%a0%e7%9a%84%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182824\/","title":{"rendered":"\u5be6\u6642\u66f4\u65b0\uff1a\u6578\u64da\u5eab\u5167\u5bb9\u7684\u589e\u91cf\u5c55\u793a\uff08\u986f\u793a\u589e\u52a0\u7684\u6578\u64da\u5eab\u5167\u5bb9\u662f\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e6%99%82%e6%9b%b4%e6%96%b0%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e5%ae%b9%e7%9a%84%e5%a2%9e%e9%87%8f%e5%b1%95%e7%a4%ba-TXywDWbeGt\">\u5be6\u6642\u66f4\u65b0\uff1a\u6578\u64da\u5eab\u5167\u5bb9\u7684\u589e\u91cf\u5c55\u793a<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5be6\u6642\u66f4\u65b0\u6578\u64da\u5eab\u5167\u5bb9\u7684\u80fd\u529b\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u548c\u670d\u52d9\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u9084\u662f\u6578\u64da\u5206\u6790\u5de5\u5177\uff0c\u80fd\u5920\u5373\u6642\u5c55\u793a\u589e\u91cf\u6578\u64da\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u589e\u5f37\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5be6\u6642\u66f4\u65b0\u7684\u6982\u5ff5\u3001\u6280\u8853\u5be6\u73fe\u4ee5\u53ca\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a2%9e%e9%87%8f%e5%b1%95%e7%a4%ba%ef%bc%9f-TXywDWbeGt\">\u4ec0\u9ebc\u662f\u589e\u91cf\u5c55\u793a\uff1f<\/h2>\n<p>\u589e\u91cf\u5c55\u793a\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\u50c5\u986f\u793a\u81ea\u4e0a\u6b21\u66f4\u65b0\u4ee5\u4f86\u65b0\u589e\u6216\u66f4\u6539\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u76f8\u8f03\u65bc\u5168\u91cf\u66f4\u65b0\uff0c\u80fd\u5920\u986f\u8457\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u548c\u8655\u7406\u6642\u9593\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u3002\u589e\u91cf\u5c55\u793a\u7684\u5be6\u73fe\u901a\u5e38\u4f9d\u8cf4\u65bc\u6642\u9593\u6233\u3001\u7248\u672c\u865f\u6216\u5176\u4ed6\u6a19\u8b58\u7b26\u4f86\u8ffd\u8e64\u6578\u64da\u7684\u8b8a\u66f4\u3002<\/p>\n<h2 id=\"%e5%af%a6%e6%99%82%e6%9b%b4%e6%96%b0%e7%9a%84%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be-TXywDWbeGt\">\u5be6\u6642\u66f4\u65b0\u7684\u6280\u8853\u5be6\u73fe<\/h2>\n<p>\u5be6\u73fe\u5be6\u6642\u66f4\u65b0\u7684\u6280\u8853\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u89f8\u767c\u5668\uff08Triggers\uff09<\/strong>: \u5728\u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u89f8\u767c\u5668\u53ef\u4ee5\u5728\u6578\u64da\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6642\u81ea\u52d5\u57f7\u884c\u7279\u5b9a\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u5373\u6642\u6355\u6349\u5230\u6578\u64da\u7684\u8b8a\u66f4\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/li>\n<li><strong>\u9577\u8f2a\u8a62\uff08Long Polling\uff09<\/strong>: \u5ba2\u6236\u7aef\u5411\u670d\u52d9\u5668\u767c\u9001\u8acb\u6c42\uff0c\u670d\u52d9\u5668\u5728\u6709\u65b0\u6578\u64da\u6642\u624d\u56de\u61c9\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u80fd\u5920\u5be6\u73fe\u5be6\u6642\u66f4\u65b0\uff0c\u4f46\u53ef\u80fd\u6703\u589e\u52a0\u670d\u52d9\u5668\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>WebSocket<\/strong>: WebSocket\u662f\u4e00\u7a2e\u96d9\u5411\u901a\u4fe1\u5354\u8b70\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u548c\u670d\u52d9\u5668\u4e4b\u9593\u6301\u4e45\u9023\u63a5\u3002\u9019\u6a23\uff0c\u670d\u52d9\u5668\u53ef\u4ee5\u4e3b\u52d5\u63a8\u9001\u6578\u64da\u5230\u5ba2\u6236\u7aef\uff0c\u5be6\u73fe\u771f\u6b63\u7684\u5be6\u6642\u66f4\u65b0\u3002<\/li>\n<li><strong>\u6578\u64da\u6d41\uff08Data Streaming\uff09<\/strong>: \u4f7f\u7528\u6578\u64da\u6d41\u6280\u8853\uff08\u5982Apache Kafka\uff09\u53ef\u4ee5\u5be6\u6642\u8655\u7406\u548c\u50b3\u8f38\u6578\u64da\uff0c\u9069\u5408\u9700\u8981\u9ad8\u541e\u5410\u91cf\u548c\u4f4e\u5ef6\u9072\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a2%9e%e9%87%8f%e5%b1%95%e7%a4%ba%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-TXywDWbeGt\">\u589e\u91cf\u5c55\u793a\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u589e\u91cf\u5c55\u793a\u5728\u8a31\u591a\u9818\u57df\u90fd\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5177\u9ad4\u7684\u4f8b\u5b50\uff1a<\/p>\n<ul>\n<li><strong>\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0<\/strong>: \u7528\u6236\u5728\u793e\u4ea4\u5a92\u9ad4\u4e0a\u767c\u4f48\u65b0\u5167\u5bb9\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u5373\u6642\u66f4\u65b0\u986f\u793a\u6700\u65b0\u7684\u5e16\u5b50\u548c\u8a55\u8ad6\uff0c\u63d0\u5347\u7528\u6236\u4e92\u52d5\u6027\u3002<\/li>\n<li><strong>\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9<\/strong>: \u7576\u5546\u54c1\u5eab\u5b58\u6216\u50f9\u683c\u767c\u751f\u8b8a\u5316\u6642\uff0c\u7db2\u7ad9\u53ef\u4ee5\u5373\u6642\u66f4\u65b0\u986f\u793a\uff0c\u5e6b\u52a9\u7528\u6236\u505a\u51fa\u66f4\u5feb\u7684\u8cfc\u8cb7\u6c7a\u7b56\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u6790\u5100\u8868\u677f<\/strong>: \u5728\u5546\u696d\u667a\u80fd\u5de5\u5177\u4e2d\uff0c\u589e\u91cf\u5c55\u793a\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5373\u6642\u67e5\u770b\u6700\u65b0\u7684\u6578\u64da\u8da8\u52e2\u548c\u6307\u6a19\uff0c\u652f\u6301\u5feb\u901f\u6c7a\u7b56\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%a2%9e%e9%87%8f%e5%b1%95%e7%a4%ba%e7%9a%84%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-TXywDWbeGt\">\u5be6\u73fe\u589e\u91cf\u5c55\u793a\u7684\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528SQL\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u589e\u91cf\u5c55\u793a\uff1a<\/p>\n<pre><code>\nCREATE TRIGGER after_insert\nAFTER INSERT ON your_table\nFOR EACH ROW\nBEGIN\n    INSERT INTO your_incremental_table (data, created_at)\n    VALUES (NEW.data, NOW());\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6bcf\u7576\u5728<code>your_table<\/code>\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u6642\uff0c\u89f8\u767c\u5668\u6703\u81ea\u52d5\u5c07\u8a72\u6578\u64da\u63d2\u5165\u5230<code>your_incremental_table<\/code>\u4e2d\uff0c\u5f9e\u800c\u5be6\u73fe\u589e\u91cf\u5c55\u793a\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TXywDWbeGt\">\u7d50\u8ad6<\/h2>\n<p>\u5be6\u6642\u66f4\u65b0\u548c\u589e\u91cf\u5c55\u793a\u662f\u73fe\u4ee3\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u8853\u3002\u901a\u904e\u6709\u6548\u5730\u6355\u6349\u548c\u5c55\u793a\u6578\u64da\u8b8a\u66f4\uff0c\u4f01\u696d\u80fd\u5920\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u4e26\u589e\u5f37\u7cfb\u7d71\u7684\u6548\u7387\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u5c07\u6703\u6709\u66f4\u591a\u5275\u65b0\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u611f\u8208\u8da3\uff0c\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5be6\u6642\u66f4\u65b0\u529f\u80fd\u5c55\u793a\u6578\u64da\u5eab\u5167\u5bb9\u7684\u589e\u91cf\u8b8a\u5316\uff0c\u8b93\u7528\u6236\u96a8\u6642\u638c\u63e1\u6700\u65b0\u6578\u64da\uff0c\u63d0\u5347\u4fe1\u606f\u7372\u53d6\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-182824","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=182824"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182824\/revisions"}],"predecessor-version":[{"id":182825,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182824\/revisions\/182825"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}