{"id":15787,"date":"2023-12-04T22:52:59","date_gmt":"2023-12-04T14:52:59","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15787"},"modified":"2023-12-04T22:54:26","modified_gmt":"2023-12-04T14:54:26","slug":"oracle-bao-cun-dian-savepoint-shi-shen-me-you-shen","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-bao-cun-dian-savepoint-shi-shen-me-you-shen\/","title":{"rendered":"Oracle \u4fdd\u5b58\u70b9(SAVEPOINT)\u662f\u4ec0\u4e48\uff0c\u6709\u4ec0\u4e48\u7528\uff1f"},"content":{"rendered":"

\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u4fdd\u5b58\u70b9\uff08Savepoint\uff09\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u4e8b\u52a1\u4e2d\u7684\u6807\u8bb0\uff0c\u5b83\u5141\u8bb8\u4f60\u5728\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e2d\u95f4\u72b6\u6001\uff0c\u4ee5\u4fbf\u5728\u4e4b\u540e\u7684\u64cd\u4f5c\u4e2d\u56de\u6eda\u5230\u8fd9\u4e2a\u6807\u8bb0\u7684\u72b6\u6001\u3002\u4fdd\u5b58\u70b9\u662f\u4e00\u79cd\u7528\u4e8e\u5b9e\u73b0\u90e8\u5206\u56de\u6eda\u7684\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u4e8b\u52a1\u5728\u53d1\u751f\u9519\u8bef\u6216\u8005\u7279\u5b9a\u6761\u4ef6\u4e0b\u56de\u6eda\u5230\u4e8b\u52a1\u7684\u67d0\u4e00\u7279\u5b9a\u70b9\uff0c\u800c\u4e0d\u662f\u56de\u6eda\u6574\u4e2a\u4e8b\u52a1\u3002<\/p>\n

\u4fdd\u5b58\u70b9\u7684\u57fa\u672c\u8bed\u6cd5\uff1a<\/h3>\n
    \n
  1. \u8bbe\u7f6e\u4fdd\u5b58\u70b9\uff1a<\/strong>\n
    SAVEPOINT savepoint_name;\n<\/code><\/pre>\n<\/li>\n
  2. \u56de\u6eda\u5230\u4fdd\u5b58\u70b9\uff1a<\/strong>\n
    ROLLBACK TO SAVEPOINT savepoint_name;\n<\/code><\/pre>\n<\/li>\n
  3. \u91ca\u653e\u4fdd\u5b58\u70b9\uff1a<\/strong>\n
    RELEASE SAVEPOINT savepoint_name;\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u4fdd\u5b58\u70b9\u7684\u7528\u9014\uff1a<\/h3>\n
      \n
    1. \u90e8\u5206\u56de\u6eda\uff1a<\/strong>\n
        \n
      • \u5f53\u4e8b\u52a1\u4e2d\u7684\u4e00\u90e8\u5206\u64cd\u4f5c\u5931\u8d25\u6216\u8005\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u56de\u6eda\u5230\u4fdd\u5b58\u70b9\uff0c\u800c\u4e0d\u662f\u56de\u6eda\u6574\u4e2a\u4e8b\u52a1\u3002\u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \u5d4c\u5957\u4e8b\u52a1\uff1a<\/strong>\n
          \n
        • \u4fdd\u5b58\u70b9\u5141\u8bb8\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u8bbe\u7f6e\u591a\u4e2a\u5d4c\u5957\u7684\u4fdd\u5b58\u70b9\uff0c\u6bcf\u4e2a\u4fdd\u5b58\u70b9\u53ef\u4ee5\u5355\u72ec\u56de\u6eda\u3002\u8fd9\u5bf9\u4e8e\u590d\u6742\u7684\u4e8b\u52a1\u7ba1\u7406\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \u5f02\u5e38\u5904\u7406\uff1a<\/strong>\n
            \n
          • \u5728\u5f02\u5e38\u5904\u7406\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4fdd\u5b58\u70b9\u6765\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u4e8b\u52a1\u63a7\u5236\u3002\u5982\u679c\u53d1\u751f\u5f02\u5e38\uff0c\u53ef\u4ee5\u9009\u62e9\u56de\u6eda\u5230\u67d0\u4e2a\u4fdd\u5b58\u70b9\uff0c\u800c\u4e0d\u662f\u4e2d\u65ad\u6574\u4e2a\u4e8b\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
            \u4fdd\u5b58\u70b9\u7684\u793a\u4f8b\uff1a<\/h3>\n
            -- \u5f00\u59cb\u4e8b\u52a1\nBEGIN\n  -- \u6267\u884c\u4e00\u4e9b SQL \u8bed\u53e5\n\n  -- \u8bbe\u7f6e\u4fdd\u5b58\u70b9\n  SAVEPOINT sp1;\n\n  -- \u6267\u884c\u66f4\u591a SQL \u8bed\u53e5\n\n  -- \u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c\u53ef\u4ee5\u56de\u6eda\u5230\u4fdd\u5b58\u70b9\n  EXCEPTION\n    WHEN OTHERS THEN\n      ROLLBACK TO SAVEPOINT sp1;\nEND;\n<\/code><\/pre>\n
            \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u5728\u4fdd\u5b58\u70b9 sp1<\/code> \u4e4b\u540e\u7684\u64cd\u4f5c\u4e2d\u53d1\u751f\u9519\u8bef\uff0c\u6574\u4e2a\u4e8b\u52a1\u4e0d\u4f1a\u88ab\u56de\u6eda\uff0c\u800c\u662f\u56de\u6eda\u5230 sp1<\/code> \u7684\u72b6\u6001\uff0c\u907f\u514d\u4e86\u5bf9\u6574\u4e2a\u4e8b\u52a1\u7684\u5f71\u54cd\u3002\u8fd9\u5bf9\u4e8e\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4e8b\u52a1\u63a7\u5236\u548c\u5f02\u5e38\u5904\u7406\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u4fdd\u5b58\u70b9\uff08Savepoint\uff09\u662f\u4e00\u4e2a\u6570\u636e\u5e93\u4e8b\u52a1\u4e2d\u7684\u6807\u8bb0\uff0c\u5b83\u5141\u8bb8\u4f60\u5728\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\u521b […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15787","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15787"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15787\/revisions"}],"predecessor-version":[{"id":15788,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15787\/revisions\/15788"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15787"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}