{"id":87970,"date":"2024-10-18T05:30:19","date_gmt":"2024-10-17T21:30:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87970\/"},"modified":"2024-10-18T05:30:19","modified_gmt":"2024-10-17T21:30:19","slug":"ora-22893-%e7%b4%84%e6%9d%9f%e5%8f%aa%e8%83%bd%e7%82%ba-ref-%e5%88%97%e6%8c%87%e5%ae%9a-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/87970\/","title":{"rendered":"ORA-22893: \u7d04\u675f\u53ea\u80fd\u70ba REF \u5217\u6307\u5b9a ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-22893-%e7%b4%84%e6%9d%9f%e5%8f%aa%e8%83%bd%e7%82%ba-ref-%e5%88%97%e6%8c%87%e5%ae%9a-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-zWHazzLKiq\">ORA-22893: \u7d04\u675f\u53ea\u80fd\u70ba REF \u5217\u6307\u5b9a ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f ORA-22893\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 REF \u5217\u7684\u7d04\u675f\u6709\u95dc\uff0c\u4e26\u4e14\u5728\u8655\u7406\u5c0d\u8c61\u95dc\u4fc2\u6578\u64da\u5eab\u6642\u5c24\u70ba\u5e38\u898b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-22893 \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-22893-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-zWHazzLKiq\">ORA-22893 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-22893 \u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300c\u7d04\u675f\u53ea\u80fd\u70ba REF \u5217\u6307\u5b9a\u300d\u3002\u9019\u610f\u5473\u8457\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\uff0c\u60a8\u5617\u8a66\u70ba\u975e REF \u5217\u8a2d\u7f6e\u7d04\u675f\uff0c\u9019\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u662f\u4e0d\u88ab\u5141\u8a31\u7684\u3002REF \u5217\u662f\u7528\u4f86\u5efa\u7acb\u5c0d\u8c61\u4e4b\u9593\u95dc\u806f\u7684\u7279\u6b8a\u5217\uff0c\u901a\u5e38\u7528\u65bc\u5c0d\u8c61\u985e\u578b\u7684\u6578\u64da\u8868\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u5c0e\u81f4 ORA-22893 \u932f\u8aa4\u7684\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728\u5275\u5efa\u5c0d\u8c61\u8868\u6642\uff0c\u932f\u8aa4\u5730\u70ba\u975e REF \u5217\u6dfb\u52a0\u4e86\u7d04\u675f\u3002<\/li>\n<li>\u5728\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u5617\u8a66\u70ba\u4e0d\u652f\u6301\u7684\u5217\u985e\u578b\u8a2d\u7f6e\u7d04\u675f\u3002<\/li>\n<li>\u5728\u4f7f\u7528 PL\/SQL \u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u672a\u6b63\u78ba\u8655\u7406 REF \u5217\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-22893-%e9%8c%af%e8%aa%a4-zWHazzLKiq\">\u5982\u4f55\u4fee\u5fa9 ORA-22893 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 ORA-22893 \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a\u5f15\u767c\u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u6216 PL\/SQL \u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4fee\u5fa9\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-sql-%e8%aa%9e%e5%8f%a5-zWHazzLKiq\">1. \u6aa2\u67e5 SQL \u8a9e\u53e5<\/h3>\n<pre><code>CREATE TABLE example_table (\n    id NUMBER,\n    obj REF example_object,\n    CONSTRAINT example_constraint CHECK (id &gt; 0)\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u82e5\u60a8\u5617\u8a66\u70ba\u975e REF \u5217 id \u6dfb\u52a0\u7d04\u675f\uff0c\u5247\u6703\u5f15\u767c ORA-22893 \u932f\u8aa4\u3002\u78ba\u4fdd\u7d04\u675f\u50c5\u61c9\u7528\u65bc REF \u5217\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b-zWHazzLKiq\">2. \u4fee\u6539\u8868\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u70ba\u67d0\u500b\u5217\u6dfb\u52a0\u7d04\u675f\uff0c\u8acb\u78ba\u4fdd\u8a72\u5217\u662f REF \u5217\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u4fee\u6539\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>ALTER TABLE example_table\nADD CONSTRAINT example_constraint CHECK (obj IS NOT NULL);<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-pl-sql-%e9%80%b2%e8%a1%8c%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-zWHazzLKiq\">3. \u4f7f\u7528 PL\/SQL \u9032\u884c\u6b63\u78ba\u7684\u6578\u64da\u64cd\u4f5c<\/h3>\n<p>\u5728 PL\/SQL \u4e2d\uff0c\u78ba\u4fdd\u60a8\u6b63\u78ba\u8655\u7406 REF \u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    v_obj REF example_object;\nBEGIN\n    SELECT REF(e) INTO v_obj FROM example_table e WHERE e.id = 1;\n    -- \u9032\u884c\u5176\u4ed6\u64cd\u4f5c\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u78ba\u4fdd\u60a8\u53ea\u5c0d REF \u5217\u9032\u884c\u64cd\u4f5c\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-22893-%e9%8c%af%e8%aa%a4-zWHazzLKiq\">\u9060\u7a0b\u8655\u7406 ORA-22893 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 ORA-22893 \u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u76f4\u63a5\u57f7\u884c SQL \u8a9e\u53e5\u9032\u884c\u8abf\u8a66\u3002<\/li>\n<li>\u5229\u7528 Oracle \u63d0\u4f9b\u7684\u9060\u7a0b\u8a3a\u65b7\u5de5\u5177\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5065\u5eb7\u72c0\u6cc1\u3002<\/li>\n<li>\u901a\u904e\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 SQL Developer\uff09\u9032\u884c\u9060\u7a0b\u67e5\u8a62\u548c\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zWHazzLKiq\">\u7e3d\u7d50<\/h2>\n<p>ORA-22893 \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\uff0c\u4e3b\u8981\u7531\u65bc\u5c0d REF \u5217\u7684\u7d04\u675f\u8a2d\u7f6e\u4e0d\u7576\u5f15\u8d77\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u53e5\u3001\u6b63\u78ba\u4fee\u6539\u8868\u7d50\u69cb\u4ee5\u53ca\u4f7f\u7528 PL\/SQL \u9032\u884c\u6b63\u78ba\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u5de5\u5177\u4e5f\u80fd\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u6c7a\u554f\u984c\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u60a8\u7684\u696d\u52d9\u904b\u884c\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-22893 \u932f\u8aa4\uff0c\u4e86\u89e3\u7d04\u675f\u53ea\u80fd\u70ba REF \u5217\u6307\u5b9a\u7684\u539f\u56e0\u53ca\u9060\u7a0b\u8655\u7406\u65b9\u6cd5\uff0c\u5feb\u901f\u4fee\u5fa9 Oracle \u6545\u969c\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-87970","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87970","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=87970"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87970\/revisions"}],"predecessor-version":[{"id":87971,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87970\/revisions\/87971"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}