{"id":142643,"date":"2024-10-31T22:58:58","date_gmt":"2024-10-31T14:58:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/142643\/"},"modified":"2024-10-31T22:58:59","modified_gmt":"2024-10-31T14:58:59","slug":"sqlite-%e9%9b%99%e5%90%91%e5%90%8c%e6%ad%a5%ef%bc%9a%e5%af%a6%e7%8f%be%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5%ef%bc%88sqlite-%e5%85%a9%e5%80%8b%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/142643\/","title":{"rendered":"SQLite \u96d9\u5411\u540c\u6b65\uff1a\u5be6\u73fe\u5169\u500b\u6578\u64da\u5eab\u6578\u64da\u540c\u6b65\uff08sqlite \u5169\u500b\u6578\u64da\u5eab\u540c\u6b65\uff09"},"content":{"rendered":"<h1 id=\"sqlite-%e9%9b%99%e5%90%91%e5%90%8c%e6%ad%a5%ef%bc%9a%e5%af%a6%e7%8f%be%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5-HlVjwIFAcR\">SQLite \u96d9\u5411\u540c\u6b65\uff1a\u5be6\u73fe\u5169\u500b\u6578\u64da\u5eab\u6578\u64da\u540c\u6b65<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u540c\u6b65\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002SQLite \u4f5c\u70ba\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7136\u800c\uff0c\u7576\u9700\u8981\u5728\u5169\u500b SQLite \u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u540c\u6b65\u6642\uff0c\u8a31\u591a\u958b\u767c\u8005\u53ef\u80fd\u6703\u9762\u81e8\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e SQLite \u7684\u96d9\u5411\u540c\u6b65\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u5be6\u73fe\u5169\u500b\u6578\u64da\u5eab\u6578\u64da\u540c\u6b65\u7684\u5177\u9ad4\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sqlite-%e9%9b%99%e5%90%91%e5%90%8c%e6%ad%a5%ef%bc%9f-HlVjwIFAcR\">\u4ec0\u9ebc\u662f SQLite \u96d9\u5411\u540c\u6b65\uff1f<\/h2>\n<p>SQLite \u96d9\u5411\u540c\u6b65\u662f\u6307\u5728\u5169\u500b SQLite \u6578\u64da\u5eab\u4e4b\u9593\u5be6\u73fe\u6578\u64da\u7684\u96d9\u5411\u66f4\u65b0\u3002\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\uff0c\u53e6\u4e00\u500b\u6578\u64da\u5eab\u4e5f\u6703\u81ea\u52d5\u66f4\u65b0\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u9019\u7a2e\u540c\u6b65\u65b9\u5f0f\u7279\u5225\u9069\u5408\u9700\u8981\u5728\u591a\u500b\u8a2d\u5099\u6216\u61c9\u7528\u7a0b\u5e8f\u4e4b\u9593\u5171\u4eab\u6578\u64da\u7684\u5834\u666f\uff0c\u4f8b\u5982\u79fb\u52d5\u61c9\u7528\u3001\u684c\u9762\u61c9\u7528\u6216\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%9b%99%e5%90%91%e5%90%8c%e6%ad%a5%ef%bc%9f-HlVjwIFAcR\">\u70ba\u4ec0\u9ebc\u9700\u8981\u96d9\u5411\u540c\u6b65\uff1f<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u4fdd\u6301\u4e00\u81f4\uff0c\u907f\u514d\u56e0\u6578\u64da\u4e0d\u4e00\u81f4\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u5728\u591a\u500b\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u540c\u6b65\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002<\/li>\n<li><strong>\u4fbf\u65bc\u6578\u64da\u7ba1\u7406\uff1a<\/strong>\u7c21\u5316\u6578\u64da\u7684\u7ba1\u7406\u6d41\u7a0b\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u983b\u7e41\u66f4\u65b0\u7684\u61c9\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be-sqlite-%e9%9b%99%e5%90%91%e5%90%8c%e6%ad%a5%e7%9a%84%e6%96%b9%e6%b3%95-HlVjwIFAcR\">\u5be6\u73fe SQLite \u96d9\u5411\u540c\u6b65\u7684\u65b9\u6cd5<\/h2>\n<p>\u5be6\u73fe SQLite \u96d9\u5411\u540c\u6b65\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6280\u8853\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8%e5%92%8c%e6%97%a5%e8%aa%8c%e8%a1%a8-HlVjwIFAcR\">1. \u4f7f\u7528\u89f8\u767c\u5668\u548c\u65e5\u8a8c\u8868<\/h3>\n<p>\u53ef\u4ee5\u5728\u6bcf\u500b\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u89f8\u767c\u5668\uff0c\u7576\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\uff0c\u5c07\u8b8a\u66f4\u8a18\u9304\u5230\u4e00\u500b\u65e5\u8a8c\u8868\u4e2d\u3002\u7136\u5f8c\uff0c\u5b9a\u671f\u6aa2\u67e5\u65e5\u8a8c\u8868\uff0c\u4e26\u5c07\u8b8a\u66f4\u61c9\u7528\u5230\u53e6\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<pre><code>\nCREATE TRIGGER after_insert\nAFTER INSERT ON source_table\nBEGIN\n    INSERT INTO log_table (operation, data) VALUES ('insert', NEW.data);\nEND;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%a4%96%e9%83%a8%e5%90%8c%e6%ad%a5%e5%b7%a5%e5%85%b7-HlVjwIFAcR\">2. \u4f7f\u7528\u5916\u90e8\u540c\u6b65\u5de5\u5177<\/h3>\n<p>\u6709\u8a31\u591a\u7b2c\u4e09\u65b9\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u5be6\u73fe SQLite \u6578\u64da\u5eab\u4e4b\u9593\u7684\u540c\u6b65\uff0c\u4f8b\u5982 SymmetricDS \u548c Daffodil Replicator\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u4e86\u66f4\u70ba\u5f37\u5927\u548c\u9748\u6d3b\u7684\u540c\u6b65\u529f\u80fd\uff0c\u9069\u5408\u9700\u8981\u9ad8\u6548\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h3 id=\"3-%e8%87%aa%e5%ae%9a%e7%be%a9%e5%90%8c%e6%ad%a5%e8%85%b3%e6%9c%ac-HlVjwIFAcR\">3. \u81ea\u5b9a\u7fa9\u540c\u6b65\u8173\u672c<\/h3>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u81ea\u5b9a\u7fa9\u7684\u540c\u6b65\u8173\u672c\uff0c\u901a\u904e\u6bd4\u8f03\u5169\u500b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u66f4\u65b0\u3002\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u9700\u8981\u66f4\u591a\u7684\u958b\u767c\u5de5\u4f5c\uff0c\u4f46\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9032\u884c\u9748\u6d3b\u8abf\u6574\u3002<\/p>\n<pre><code>\nimport sqlite3\n\ndef sync_databases(db1, db2):\n    conn1 = sqlite3.connect(db1)\n    conn2 = sqlite3.connect(db2)\n\n    # \u7372\u53d6\u6578\u64da\n    data1 = conn1.execute(\"SELECT * FROM table_name\").fetchall()\n    data2 = conn2.execute(\"SELECT * FROM table_name\").fetchall()\n\n    # \u6bd4\u8f03\u4e26\u540c\u6b65\n    # \u9019\u88e1\u53ef\u4ee5\u6dfb\u52a0\u5177\u9ad4\u7684\u6bd4\u8f03\u908f\u8f2f\n\n    conn1.close()\n    conn2.close()\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HlVjwIFAcR\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe SQLite \u96d9\u5411\u540c\u6b65\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u885d\u7a81\u8655\u7406\uff1a<\/strong>\u7576\u5169\u500b\u6578\u64da\u5eab\u540c\u6642\u66f4\u65b0\u540c\u4e00\u689d\u8a18\u9304\u6642\uff0c\u5fc5\u9808\u6709\u660e\u78ba\u7684\u885d\u7a81\u89e3\u6c7a\u7b56\u7565\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u983b\u7e41\u7684\u540c\u6b65\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u540c\u6b65\u983b\u7387\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u78ba\u4fdd\u5728\u540c\u6b65\u904e\u7a0b\u4e2d\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u907f\u514d\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HlVjwIFAcR\">\u7e3d\u7d50<\/h2>\n<p>SQLite \u96d9\u5411\u540c\u6b65\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u591a\u500b\u6578\u64da\u5eab\u4e4b\u9593\u4fdd\u6301\u6578\u64da\u4e00\u81f4\u6027\u3002\u7121\u8ad6\u662f\u901a\u904e\u89f8\u767c\u5668\u3001\u5916\u90e8\u5de5\u5177\u9084\u662f\u81ea\u5b9a\u7fa9\u8173\u672c\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u5730\u5be6\u73fe\u6578\u64da\u540c\u6b65\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\uff0c\u96d9\u5411\u540c\u6b65\u7121\u7591\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQLite\u96d9\u5411\u540c\u6b65\u6280\u8853\uff0c\u5be6\u73fe\u5169\u500b\u6578\u64da\u5eab\u4e4b\u9593\u7684\u9ad8\u6548\u6578\u64da\u540c\u6b65\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u53ef\u9760\u6027\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-142643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142643","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=142643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142643\/revisions"}],"predecessor-version":[{"id":142644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/142643\/revisions\/142644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=142643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=142643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=142643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}