{"id":178628,"date":"2024-11-08T19:33:18","date_gmt":"2024-11-08T11:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178628\/"},"modified":"2024-11-08T19:33:19","modified_gmt":"2024-11-08T11:33:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a01p01-deprecated_feature%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178628\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a01P01 &#8211; deprecated_feature\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9postgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a01p01-deprecated_feature-hXAqYCXEGD\">\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc\uff1a01P01 &#8211; deprecated_feature<\/h1>\n<p>\u5728\u4f7f\u7528PostgreSQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f01P01\uff0c\u9019\u8868\u793a\u4f7f\u7528\u4e86\u5df2\u88ab\u68c4\u7528\u7684\u529f\u80fd\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u67d0\u4e9b\u4e0d\u518d\u5efa\u8b70\u4f7f\u7528\u7684SQL\u8a9e\u6cd5\u6216\u529f\u80fd\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8b58\u5225\u548c\u4fee\u5fa9\u9019\u4e00\u932f\u8aa4\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u4ed6\u5011\u7684\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afpostgresql%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc01p01%ef%bc%9f-hXAqYCXEGD\">\u4ec0\u9ebc\u662fPostgreSQL\u932f\u8aa4\u4ee3\u78bc01P01\uff1f<\/h2>\n<p>PostgreSQL\u7684\u932f\u8aa4\u4ee3\u78bc01P01\u8868\u793a\u201cdeprecated_feature\u201d\uff0c\u5373\u67d0\u4e9b\u529f\u80fd\u6216\u8a9e\u6cd5\u5df2\u88ab\u6a19\u8a18\u70ba\u4e0d\u518d\u5efa\u8b70\u4f7f\u7528\u3002\u9019\u901a\u5e38\u662f\u56e0\u70ba\u9019\u4e9b\u529f\u80fd\u5728\u672a\u4f86\u7684\u7248\u672c\u4e2d\u53ef\u80fd\u6703\u88ab\u79fb\u9664\uff0c\u6216\u8005\u5b83\u5011\u7684\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u6216\u5b89\u5168\u96b1\u60a3\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%83%e5%87%ba%e7%8f%be01p01%e9%8c%af%e8%aa%a4%ef%bc%9f-hXAqYCXEGD\">\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe01P01\u932f\u8aa4\uff1f<\/h2>\n<p>01P01\u932f\u8aa4\u7684\u51fa\u73fe\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u904e\u6642\u7684SQL\u8a9e\u6cd5\uff1a<\/strong>\u67d0\u4e9bSQL\u8a9e\u6cd5\u5728\u65b0\u7248\u672c\u7684PostgreSQL\u4e2d\u53ef\u80fd\u5df2\u88ab\u68c4\u7528\u3002<\/li>\n<li><strong>\u4f9d\u8cf4\u65bc\u4e0d\u518d\u652f\u6301\u7684\u529f\u80fd\uff1a<\/strong>\u67d0\u4e9b\u529f\u80fd\u53ef\u80fd\u5728\u820a\u7248\u672c\u4e2d\u53ef\u7528\uff0c\u4f46\u5728\u65b0\u7248\u672c\u4e2d\u5df2\u88ab\u79fb\u9664\u3002<\/li>\n<li><strong>\u5347\u7d1a\u5f8c\u7684\u517c\u5bb9\u6027\u554f\u984c\uff1a<\/strong>\u5728\u5347\u7d1aPostgreSQL\u7248\u672c\u5f8c\uff0c\u820a\u7684\u4ee3\u78bc\u53ef\u80fd\u4e0d\u518d\u517c\u5bb9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a901p01%e9%8c%af%e8%aa%a4%ef%bc%9f-hXAqYCXEGD\">\u5982\u4f55\u4fee\u5fa901P01\u932f\u8aa4\uff1f<\/h2>\n<p>\u4fee\u5fa901P01\u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%8c%af%e8%aa%a4%e4%bf%a1%e6%81%af-hXAqYCXEGD\">1. \u78ba\u8a8d\u932f\u8aa4\u4fe1\u606f<\/h3>\n<p>\u9996\u5148\uff0c\u7576\u4f60\u9047\u523001P01\u932f\u8aa4\u6642\uff0c\u61c9\u4ed4\u7d30\u67e5\u770b\u932f\u8aa4\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u901a\u5e38\u6703\u6307\u5411\u5177\u9ad4\u7684SQL\u8a9e\u53e5\u6216\u529f\u80fd\uff0c\u5e6b\u52a9\u4f60\u78ba\u5b9a\u554f\u984c\u6240\u5728\u3002<\/p>\n<h3 id=\"2-%e6%9f%a5%e9%96%b1%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94-hXAqYCXEGD\">2. \u67e5\u95b1\u5b98\u65b9\u6587\u6a94<\/h3>\n<p>PostgreSQL\u7684\u5b98\u65b9\u6587\u6a94\u662f\u89e3\u6c7a\u554f\u984c\u7684\u91cd\u8981\u8cc7\u6e90\u3002\u4f60\u53ef\u4ee5\u67e5\u95b1\u6700\u65b0\u7248\u672c\u7684\u6587\u6a94\uff0c\u4e86\u89e3\u54ea\u4e9b\u529f\u80fd\u5df2\u88ab\u68c4\u7528\uff0c\u4e26\u5c0b\u627e\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0sql%e8%aa%9e%e6%b3%95-hXAqYCXEGD\">3. \u66f4\u65b0SQL\u8a9e\u6cd5<\/h3>\n<p>\u6839\u64da\u5b98\u65b9\u6587\u6a94\u7684\u5efa\u8b70\uff0c\u66f4\u65b0\u4f60\u7684SQL\u8a9e\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u4e86\u67d0\u500b\u5df2\u88ab\u68c4\u7528\u7684\u51fd\u6578\uff0c\u61c9\u5c0b\u627e\u5176\u66ff\u4ee3\u51fd\u6578\u4e26\u9032\u884c\u66ff\u63db\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u820a\u7684\u8a9e\u6cd5\nSELECT old_function(column_name) FROM table_name;\n\n-- \u66f4\u65b0\u5f8c\u7684\u8a9e\u6cd5\nSELECT new_function(column_name) FROM table_name;<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-hXAqYCXEGD\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u66f4\u65b0\u4e86SQL\u8a9e\u6cd5\u5f8c\uff0c\u52d9\u5fc5\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u6240\u6709\u529f\u80fd\u6b63\u5e38\u904b\u884c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u57f7\u884c\u55ae\u5143\u6e2c\u8a66\u6216\u96c6\u6210\u6e2c\u8a66\u4f86\u5b8c\u6210\uff0c\u78ba\u4fdd\u6c92\u6709\u5176\u4ed6\u90e8\u5206\u53d7\u5230\u5f71\u97ff\u3002<\/p>\n<h3 id=\"5-%e8%80%83%e6%85%ae%e5%8d%87%e7%b4%9a%e6%95%b8%e6%93%9a%e5%ba%ab-hXAqYCXEGD\">5. \u8003\u616e\u5347\u7d1a\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u4f60\u7684PostgreSQL\u7248\u672c\u904e\u820a\uff0c\u8003\u616e\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\u3002\u65b0\u7248\u672c\u901a\u5e38\u6703\u4fee\u5fa9\u820a\u7248\u672c\u4e2d\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hXAqYCXEGD\">\u7d50\u8ad6<\/h2>\n<p>PostgreSQL\u932f\u8aa4\u4ee3\u78bc01P01 &#8211; deprecated_feature\u7684\u51fa\u73fe\uff0c\u901a\u5e38\u662f\u7531\u65bc\u4f7f\u7528\u4e86\u4e0d\u518d\u5efa\u8b70\u7684\u529f\u80fd\u6216\u8a9e\u6cd5\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u932f\u8aa4\u4fe1\u606f\u3001\u67e5\u95b1\u5b98\u65b9\u6587\u6a94\u3001\u66f4\u65b0SQL\u8a9e\u6cd5\u4ee5\u53ca\u9032\u884c\u5145\u5206\u6e2c\u8a66\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u9019\u4e00\u932f\u8aa4\u3002\u4fdd\u6301\u6578\u64da\u5eab\u7684\u66f4\u65b0\u548c\u7dad\u8b77\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9PostgreSQL\u932f\u8aa4\u4ee3\u78bc01P01 &#8211; deprecated_feature\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u6b63\u5e38\u904b\u884c\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-178628","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178628","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=178628"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178628\/revisions"}],"predecessor-version":[{"id":178629,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178628\/revisions\/178629"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}