{"id":456,"date":"2012-01-06T23:55:55","date_gmt":"2012-01-06T15:55:55","guid":{"rendered":"https:\/\/yangtingkun.net\/?p=456"},"modified":"2012-01-07T21:17:00","modified_gmt":"2012-01-07T13:17:00","slug":"%e5%ae%a2%e6%88%b7%e6%95%b0%e6%8d%ae%e5%ba%93%e5%8d%87%e7%ba%a7%e5%90%8e%e5%87%ba%e7%8e%b0ora-30004%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/yangtingkun.net\/?p=456","title":{"rendered":"\u5ba2\u6237\u6570\u636e\u5e93\u5347\u7ea7\u540e\u51fa\u73b0ORA-30004\u9519\u8bef"},"content":{"rendered":"<p>\u5e2e\u5ba2\u6237\u5c06\u6570\u636e\u5e93\u4ece11.2.0.1\u5347\u7ea7\u523011.2.0.3\u540e\uff0c\u6570\u636e\u5e93\u8fd0\u884c\u6b63\u5e38\uff0c\u4e0d\u8fc7\u968f\u540e\u51fa\u73b0\u4e86ORA-30004\u9519\u8bef\u3002<br \/>\n\u8fd9\u4e2a\u9519\u8bef\u4ee5\u524d\u8fd8\u771f\u6ca1\u6709\u78b0\u5230\u8fc7\uff0c\u68c0\u67e5\u540e\u53d1\u73b0\u611f\u89c9\u95ee\u9898\u4f3c\u4e4e\u4e0d\u4e00\u5b9a\u548c\u5347\u7ea7\u6709\u5173\u7cfb\uff1a<\/p>\n<pre lang='SQL'>ORA-30004: when using SYS_CONNECT_BY_PATH function, cannot have separator as part of column value \r\nCause: A column value contained the string that the SYS_CONNECT_BY_PATH function was to use to separate column values.\r\nAction: Specify another separator for the SYS_CONNECT_BY_PATH function to use which does not occur in any column value, then retry.<\/pre>\n<p>\u4ece\u9519\u8bef\u4fe1\u606f\u770b\uff0c\u662fSYS_CONNECT_BY_PATH\u51fd\u6570\u5bfc\u81f4\u7684\u9519\u8bef\u3002\u800c\u5ba2\u6237\u51fa\u73b0\u9519\u8bef\u7684\u8bed\u53e5\u4e5f\u786e\u5b9e\u5305\u542bSYS_CONNECT_BY_PATH\u51fd\u6570\u3002\u5bfc\u81f4\u9519\u8bef\u7684\u539f\u56e0\u662fSYS_CONNECT_BY_PATH\u5904\u7406\u7684\u5217\u4e2d\u5305\u542b\u4e86\u5206\u9694\u5217\u3002<br \/>\n\u4e3a\u4e86\u786e\u8ba4\u8fd9\u4e00\u70b9\uff0c\u7279\u522b\u572811.2.0.1\u73af\u5883\u4e2d\u518d\u73b0\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n<pre lang='SQL'>SQL> select * from v$version;\r\nBANNER\r\n--------------------------------------------------------------------------------\r\nOracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production\r\nPL\/SQL Release 11.2.0.1.0 - Production\r\nCORE 11.2.0.1.0 Production\r\nTNS for 32-bit Windows: Version 11.2.0.1.0 - Production\r\nNLSRTL Version 11.2.0.1.0 - Production\r\nSQL> create user u1 identified by u1 default tablespace users;\r\n\u7528\u6237\u5df2\u521b\u5efa\u3002\r\nSQL> grant connect, resource to u1;\r\n\u6388\u6743\u6210\u529f\u3002\r\nSQL> conn u1\/u1\r\n\u5df2\u8fde\u63a5\u3002\r\nSQL> create table t_conn (id number, fid number, name varchar2(30));\r\n\u8868\u5df2\u521b\u5efa\u3002\r\nSQL> insert into t_conn values (1, 0, 'a');\r\n\u5df2\u521b\u5efa 1 \u884c\u3002\r\nSQL> insert into t_conn values (2, 1, 'b');\r\n\u5df2\u521b\u5efa 1 \u884c\u3002\r\nSQL> insert into t_conn values (3, 2, 'c');\r\n\u5df2\u521b\u5efa 1 \u884c\u3002\r\nSQL> select sys_connect_by_path(name, ',') from t_conn start with id = 1 connect by prior id = fid;\r\nSYS_CONNECT_BY_PATH(NAME,',')\r\n--------------------------------------------------------------------------------\r\n,a\r\n,a,b\r\n,a,b,c\r\nSQL> update t_conn set name = 'b,' where id = 2;\r\n\u5df2\u66f4\u65b0 1 \u884c\u3002\r\nSQL> commit;\r\n\u63d0\u4ea4\u5b8c\u6210\u3002\r\nSQL> select sys_connect_by_path(name, ',') from t_conn start with id = 1 connect\r\nby prior id = fid;\r\nERROR:\r\nORA-30004: \u4f7f\u7528 SYS_CONNECT_BY_PATH \u51fd\u6570\u65f6, \u4e0d\u80fd\u5c06\u5206\u9694\u7b26\u4f5c\u4e3a\u5217\u503c\u7684\u4e00\u90e8\u5206\r\n\u672a\u9009\u5b9a\u884c<\/pre>\n<p>\u663e\u7136\u786e\u8ba4\u4e86\u95ee\u9898\u53ea\u662f\u7531\u4e8e\u6570\u636e\u9519\u8bef\u6240\u81f4\uff0c\u800c\u4e0e\u5347\u7ea7\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb\u3002<br \/>\n\u6839\u636e\u5ba2\u6237\u9519\u8bef\u7684SQL\u8bed\u53e5\uff0c\u5b9a\u4f4d\u4e86\u8868\u4e2d\u7684\u9519\u8bef\u6570\u636e\u3002\u5c06\u5305\u542b\u5206\u9694\u7b26\u7684\u6570\u636e\u66f4\u65b0\u540e\uff0c\u95ee\u9898\u6d88\u5931\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5e2e\u5ba2\u6237\u5c06\u6570\u636e\u5e93\u4ece11.2.0.1\u5347\u7ea7\u523011.2.0.3\u540e\uff0c\u6570\u636e\u5e93\u8fd0\u884c\u6b63\u5e38\uff0c\u4e0d\u8fc7\u968f\u540e\u51fa\u73b0\u4e86ORA-30004\u9519\u8bef\u3002 \u8fd9\u4e2a\u9519\u8bef\u4ee5\u524d\u8fd8\u771f\u6ca1\u6709\u78b0\u5230\u8fc7\uff0c\u68c0\u67e5\u540e\u53d1\u73b0\u611f\u89c9\u95ee\u9898\u4f3c\u4e4e\u4e0d\u4e00\u5b9a\u548c\u5347\u7ea7\u6709\u5173\u7cfb\uff1a ORA-30004: when using SYS_CONNECT_BY_PATH function, cannot have separator as part of column value Cause: A column value contained the string that the SYS_CONNECT_BY_PATH function was to use to separate column values. Action: Specify another separator for the SYS_CONNECT_BY_PATH &hellip; <a href=\"https:\/\/yangtingkun.net\/?p=456\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_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":""},"categories":[1],"tags":[354,353,355],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2yiY3-7m","_links":{"self":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/456"}],"collection":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=456"}],"version-history":[{"count":1,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/456\/revisions"}],"predecessor-version":[{"id":458,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/456\/revisions\/458"}],"wp:attachment":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}