{"id":56,"date":"2018-03-19T10:51:29","date_gmt":"2018-03-19T02:51:29","guid":{"rendered":"http:\/\/chenhaitao.me\/?p=56"},"modified":"2018-03-19T10:51:29","modified_gmt":"2018-03-19T02:51:29","slug":"oracle%e8%a7%a6%e5%8f%91%e5%99%a8%e5%88%a4%e6%96%ad%e6%9b%b4%e6%96%b0%e8%a1%a8%e6%9f%90%e4%ba%9b%e5%ad%97%e6%ae%b5%e4%b8%8d%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/2018\/03\/19\/oracle%e8%a7%a6%e5%8f%91%e5%99%a8%e5%88%a4%e6%96%ad%e6%9b%b4%e6%96%b0%e8%a1%a8%e6%9f%90%e4%ba%9b%e5%ad%97%e6%ae%b5%e4%b8%8d%e6%93%8d%e4%bd%9c\/","title":{"rendered":"oracle\u89e6\u53d1\u5668\u5224\u65ad\u66f4\u65b0\u8868\u67d0\u4e9b\u5b57\u6bb5\u4e0d\u64cd\u4f5c"},"content":{"rendered":"

\u4eca\u5929\u770b\u5230\u4e00\u7bc7\u6587\u7ae0oracle\u89e6\u53d1\u5668\u5224\u65ad\u66f4\u65b0\u8868\u65f6\uff0c\u5982\u679c\u53ea\u662f\u66f4\u65b0\u5b57\u6bb5C\uff0c\u90a3\u4e48\u4e0d\u5e0c\u671b\u89e6\u53d1\u8be5\u8be5\u8868\u7684\u89e6\u53d1\u5668\u53bb\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3002\u5373\u60f3\u5728\u89e6\u53d1\u5668\u4e2d\u505a\u51fa\u5224\u65ad:\u5982\u679c\u66f4\u65b0\u4e86\u5b57\u6bb5C\uff0c\u90a3\u4e48\u8df3\u51fa\u89e6\u53d1\u5668\uff0c\u4e0d\u5904\u7406\u4e1a\u52a1\u903b\u8f91\uff0c\u5982\u679c\u662f\u66f4\u65b0\u5176\u5b83\u5b57\u6bb5\uff0c\u90a3\u4e48\u8ba9\u89e6\u53d1\u5668\u53bb\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3002
\n\u4ed6\u662f\u8fd9\u6837\u505a\u7684<\/span><\/p>\n

\u00a0\u00a0\u00a0 <\/span><\/p>\n

\n
\n
   1:<\/span> if :NEW.C != :OLD.C then<\/pre>\n
   2:<\/span>      return;<\/pre>\n
   3:<\/span> end if;<\/pre>\n<\/div>\n<\/div>\n
 \u4f46\u662f\u8fd9\u6837\u6709\u4e00\u4e2a\u95ee\u9898:\u66f4\u65b0\u4e0d\u4e00\u5b9a\u503c\u6709\u53d8\u5316.\u5f53\u66f4\u65b0\u7684\u503c\u6709\u53d8\u5316\u65f6\uff0c\u5b83\u5f88\u597d\u7684\u5b9e\u73b0\u4e86\u4e1a\u52a1\u903b\u8f91\uff0c\u4f46\u662f\u5982\u679c\u66f4\u65b0\u7684\u503c\u6ca1\u6709\u53d8\u5316\uff0c\u90a3\u4e48\u8fd9\u6bb5\u4ee3\u7801\u5c31\u4f1a\u5931\u6548\u4e86\u3002<\/span><\/p>\n
\u5176\u5b9e\u8fd9\u4e2a\u53ea\u9700\u8981\u4f7f\u7528\u6761\u4ef6\u8c13\u8bcd DELETING\u5373\u53ef\u89e3\u51b3\uff0c\u5f53\u89e6\u53d1\u4e8b\u4ef6\u662fUPDATE\u65f6\uff0c\u5982\u679c\u4fee\u6539\u4e86COLUMN_X\u65f6\uff0c\u5219UPDATING(COLUMN_X)\u5219\u4e3aTRUE\uff0c\u5426\u5219\u4e3aFALSE,\u6240\u4ee5\u4e0a\u9762\u4ee3\u7801\u6539\u4e3a\u4e0b\u9762\u4ee3\u7801\u5373\u53ef\u5b9e\u73b0\u5176\u4e1a\u52a1\u9700\u6c42:<\/span><\/p>\n
\n
\n
   1:<\/span> if updating('C') then<\/pre>\n
   2:<\/span>    return;<\/pre>\n
   3:<\/span> end if;<\/pre>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u770b\u5230\u4e00\u7bc7\u6587\u7ae0oracle\u89e6\u53d1\u5668\u5224\u65ad\u66f4\u65b0\u8868\u65f6\uff0c\u5982\u679c\u53ea\u662f\u66f4\u65b0\u5b57\u6bb5C\uff0c\u90a3\u4e48\u4e0d\u5e0c\u671b\u89e6\u53d1\u8be5\u8be5\u8868\u7684\u89e6\u53d1\u5668\u53bb\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3002\u5373\u60f3\u5728\u89e6\u53d1\u5668\u4e2d\u505a\u51fa\u5224\u65ad:\u5982\u679c\u66f4\u65b0\u4e86\u5b57\u6bb5C\uff0c\u90a3\u4e48\u8df3…<\/p>\n
 Read More  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[22],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-2","tag-oracle"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9HWWB-U","jetpack-related-posts":[{"id":32,"url":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/2018\/03\/09\/spring-%e7%9a%84scheduled%e6%b3%a8%e8%a7%a3%e5%ae%9e%e7%8e%b0%e5%ae%9a%e6%97%b6%e4%bb%bb%e5%8a%a1%e6%89%a7%e8%a1%8c%e5%92%8c%e8%b0%83%e5%ba%a6\/","url_meta":{"origin":56,"position":0},"title":"Spring \u7684@Scheduled\u6ce8\u89e3\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\u548c\u8c03\u5ea6","author":"\u6770\u514b\u9648","date":"2018\u5e743\u67089\u65e5","format":false,"excerpt":"Spring \u7684@Scheduled\u6ce8\u89e3\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u6267\u884c\u548c\u8c03\u5ea6 \u9996\u5148\u8981\u914d\u7f6e\u6211\u4eec\u7684spring.xml\u2026","rel":"","context":"\u5728\u201c\u6280\u672f\u201d\u4e2d","block_context":{"text":"\u6280\u672f","link":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/category\/%e6%8a%80%e6%9c%af\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":115,"url":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/2018\/05\/08\/%e8%bd%accentos%e6%90%ad%e5%bb%bagit%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b9%b6%e5%90%8c%e6%ad%a5%e7%ba%bf%e4%b8%8a%e9%a1%b9%e7%9b%ae\/","url_meta":{"origin":56,"position":1},"title":"[\u8f6c]centos\u642d\u5efagit\u670d\u52a1\u5668,\u5e76\u540c\u6b65\u7ebf\u4e0a\u9879\u76ee","author":"\u6770\u514b\u9648","date":"2018\u5e745\u67088\u65e5","format":false,"excerpt":"1. \u5b89\u88c5git 2. \u521b\u5efa\u7528\u6237git groupadd git adduser git -g gi\u2026","rel":"","context":"\u5728\u201c\u8fd0\u7ef4\u201d\u4e2d","block_context":{"text":"\u8fd0\u7ef4","link":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/category\/%e8%bf%90%e7%bb%b4\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":111,"url":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/2018\/05\/04\/%e5%b8%b8%e8%a7%81%e7%9a%84http%e9%94%99%e8%af%af%e7%8a%b6%e6%80%81%e7%a0%81\/","url_meta":{"origin":56,"position":2},"title":"\u5e38\u89c1\u7684HTTP\u9519\u8bef\u72b6\u6001\u7801","author":"\u6770\u514b\u9648","date":"2018\u5e745\u67084\u65e5","format":false,"excerpt":"200\uff1a\u6b63\u786e\u7684\u8bf7\u6c42\u8fd4\u56de\u6b63\u786e\u7684\u7ed3\u679c\uff0c\u5982\u679c\u4e0d\u60f3\u7ec6\u5206\u6b63\u786e\u7684\u8bf7\u6c42\u7ed3\u679c\u90fd\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de200\u3002 201\uff1a\u8868\u793a\u8d44\u6e90\u2026","rel":"","context":"\u5728\u201c\u6280\u672f\u201d\u4e2d","block_context":{"text":"\u6280\u672f","link":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/category\/%e6%8a%80%e6%9c%af\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5,"url":"https:\/\/chenhaitao.com\/.wp-toolkit_I\/2018\/03\/03\/lombok%e7%9a%84%e4%bd%bf%e7%94%a8\/","url_meta":{"origin":56,"position":3},"title":"lombok\u7684\u4f7f\u7528","author":"\u6770\u514b\u9648","date":"2018\u5e743\u67083\u65e5","format":false,"excerpt":"\u80cc\u666f \u5728\u65e5\u5e38\u7684\u5f00\u53d1\u4e2d,\u6709\u5f88\u591a\u5de5\u4f5c\u90fd\u662f\u91cd\u590d\u7684,\u6bd4\u5982: - 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