{"id":200719,"date":"2025-05-06T13:05:22","date_gmt":"2025-05-06T05:05:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200719\/"},"modified":"2025-05-06T13:05:22","modified_gmt":"2025-05-06T05:05:22","slug":"jpa%e4%bf%9d%e5%ad%98%e5%ae%9e%e4%bd%93%e6%8a%a5%e9%94%99column-cannot-be-null%ef%bc%8c%e5%8d%b3%e4%bd%bf%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9c%89%e9%bb%98%e8%ae%a4%e5%80%bc%e6%80%8e%e4%b9%88%e5%8a%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200719\/","title":{"rendered":"JPA\u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519Column cannot be null\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u6709\u9ed8\u8ba4\u503c\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>JPA\u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519Column cannot be null\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u6709\u9ed8\u8ba4\u503c\u600e\u4e48\u529e\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/173139951767330f5db0ced.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>jpa \u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519 column cannot be null\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u6709\u9ed8\u8ba4\u503c<\/strong><\/p>\n<p>\u5f53\u4fdd\u5b58\u4e00\u4e2a\u5b9e\u4f53\u65f6\uff0c\u5c3d\u7ba1\u6570\u636e\u5e93\u7684\u5b57\u6bb5\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u503c\uff0c\u4f46\u4ecd\u7136\u53ef\u80fd\u4f1a\u9047\u5230 <strong>column cannot be null<\/strong> \u7684\u62a5\u9519\u3002<\/p>\n<p><strong>\u539f\u56e0\uff1a<\/strong><\/p>\n<p>jpa \u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f1a\u5bf9\u5b9e\u4f53\u5b57\u6bb5\u8fdb\u884c\u5168\u91cf\u64cd\u4f5c\uff0c\u5373\u65e0\u8bba\u5b57\u6bb5\u662f\u5426\u6709\u503c\uff0c\u90fd\u4f1a\u5728 sql \u8bed\u53e5\u4e2d\u5305\u542b\u8be5\u5b57\u6bb5\u3002\u56e0\u6b64\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u5b57\u6bb5\u6709\u9ed8\u8ba4\u503c\uff0cjpa \u751f\u6210\u7684 sql \u8bed\u53e5\u4ecd\u4f1a\u5411\u8be5\u5b57\u6bb5\u63d2\u5165\u7a7a\u503c\uff08null\uff09\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u7ed9\u5b9e\u4f53\u5b57\u6bb5\u6dfb\u52a0 <strong>@dynamicinsert<\/strong> \u6ce8\u89e3\u3002\u8be5\u6ce8\u89e3\u4f1a\u6307\u793a jpa \u5728\u5411\u6570\u636e\u5e93\u63d2\u5165\u6570\u636e\u65f6\uff0c\u53ea\u64cd\u4f5c\u6709\u975e\u7a7a\u503c\u7684\u5b57\u6bb5\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>public class XXX { \n    @DynamicInsert\n    @Column(name = \"`aaa`\")\n    private String aaa;\n}<\/pre>\n<p>\u4f7f\u7528 <strong>@dynamicinsert<\/strong> \u6ce8\u89e3\u540e\uff0cjpa \u53ea\u4f1a\u5728 aaa \u5b57\u6bb5\u6709\u503c\u65f6\u5411\u5176\u63d2\u5165\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u4e86 column cannot be null \u7684\u9519\u8bef\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aJPA\u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519Column cannot be null\uff0c\u5373\u4f7f\u6570\u636e\u5e93\u6709\u9ed8\u8ba4\u503c\u600e\u4e48\u529e\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>JPA\u4fdd\u5b58\u5b9e\u4f53\u62a5\u9519Column &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200719","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200719","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200719"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200719\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}