{"id":200309,"date":"2025-05-06T11:27:45","date_gmt":"2025-05-06T03:27:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200309\/"},"modified":"2025-05-06T11:27:45","modified_gmt":"2025-05-06T03:27:45","slug":"jpa-%e4%bf%9d%e5%ad%98%e6%93%8d%e4%bd%9c%e6%8a%9b%e5%87%ba-column-cannot-be-null-%e5%bc%82%e5%b8%b8%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200309\/","title":{"rendered":"JPA \u4fdd\u5b58\u64cd\u4f5c\u629b\u51fa Column cannot be null \u5f02\u5e38\uff0c\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>JPA \u4fdd\u5b58\u64cd\u4f5c\u629b\u51fa Column cannot be null \u5f02\u5e38\uff0c\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241101\/173043382667245322432fd.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>jpa \u4fdd\u5b58\u64cd\u4f5c\u4e3a\u4f55\u629b\u51fa column cannot be null \u5f02\u5e38\uff1f<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 jpa \u65f6\uff0c\u9047\u5230\u4e86\u4ee5\u4e0b\u5f02\u5e38\uff1a<\/p>\n<pre>java.sql.sqlintegrityconstraintviolationexception: column 'aaa' cannot be null<\/pre>\n<p>\u5c3d\u7ba1\u6570\u636e\u5e93\u5b57\u6bb5 aaa \u5df2\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u503c\uff0c\u4f46\u5b83\u4ecd\u7136\u65e0\u6cd5\u6210\u529f\u4fdd\u5b58\u3002\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u5728\u4e8e\uff1a<\/p>\n<p>jpa \u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5bf9\u5b9e\u4f53\u8fdb\u884c\u5168\u91cf\u64cd\u4f5c\uff0c\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u6570\u636e\u5e93\u5df2\u7ecf\u63d0\u4f9b\u4e86\u9ed8\u8ba4\u503c\uff0c\u5b83\u4e5f\u4f1a\u5c1d\u8bd5\u5411\u8be5\u5b57\u6bb5\u63d2\u5165 null \u503c\u3002\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u751f\u6210\u7684 sql \u8bed\u53e5\u4ecd\u7136\u5305\u542b\u5411 aaa \u5b57\u6bb5\u63d2\u5165 null \u7684\u64cd\u4f5c\uff0c\u5bfc\u81f4\u4e86\u6b64\u5f02\u5e38\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 @dynamicinsert \u6ce8\u89e3\u3002\u901a\u8fc7\u4f7f\u7528\u6b64\u6ce8\u89e3\uff0cjpa \u5c06\u4ec5\u66f4\u65b0\u975e\u7a7a\u5b57\u6bb5\uff0c\u5141\u8bb8\u6570\u636e\u5e93\u4e3a\u5177\u6709\u9ed8\u8ba4\u503c\u7684\u5b57\u6bb5\u63d0\u4f9b\u503c\u3002\u56e0\u6b64\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5141\u8bb8\u5728\u4fdd\u5b58\u65f6\u4f7f\u7528\u6570\u636e\u5e93\u9ed8\u8ba4\u503c\uff1a<\/p>\n<pre>@Entity\npublic class XXX {\n    @Column(name = \"`aaa`\")\n    @DynamicInsert\n    private String aaa;\n}<\/pre>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aJPA \u4fdd\u5b58\u64cd\u4f5c\u629b\u51fa Column cannot be null \u5f02\u5e38\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>JPA \u4fdd\u5b58\u64cd\u4f5c\u629b\u51fa Colum&#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-200309","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200309","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=200309"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200309\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}