{"id":277,"date":"2011-11-10T23:55:40","date_gmt":"2011-11-10T15:55:40","guid":{"rendered":"https:\/\/yangtingkun.net\/?p=277"},"modified":"2011-11-18T10:05:08","modified_gmt":"2011-11-18T02:05:08","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%8d%87%e7%ba%a7%e5%af%bc%e8%87%b4ora-918%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/yangtingkun.net\/?p=277","title":{"rendered":"\u6570\u636e\u5e93\u5347\u7ea7\u5bfc\u81f4ORA-918\u9519\u8bef"},"content":{"rendered":"

\u5ba2\u6237\u7684\u6570\u636e\u5e93\u4ece10.2.0.1\u5347\u7ea7\u523010.2.0.5\u540e\uff0c\u51fa\u73b0\u4e86ORA-918\u9519\u8bef\uff0c\u4e0d\u8fc7\u5bfc\u81f4\u9519\u8bef\u51fa\u73b0\u7684\u539f\u56e0\u5e76\u4e0d\u662f\u5347\u7ea7\u78b0\u5230\u4e86BUG\uff0c\u800c\u662f\u5347\u7ea7\u89e3\u51b3\u4e86BUG\u3002
\n\u5728Oracle 10.2.0.5\u4e2d\uff0c\u89e3\u51b3\u4e86\u4e00\u4e2aBug 5368296 ANSI join SQL may not report ORA-918 for ambiguous column\uff0c\u7ed3\u679c\u539f\u672c\u5ba2\u6237\u53d7\u8fd9\u4e2abug\u5f71\u54cd\u800c\u6ca1\u6709\u62a5\u9519\u7684SQL\u8bed\u53e5\uff0c\u5728\u5347\u7ea7\u4e4b\u540e\u5f00\u59cb\u5927\u9762\u79ef\u62a5\u9519\u3002
\n\u800c\u89e3\u51b3\u529e\u6cd5\u9664\u4e86\u4fee\u6539SQL\u8bed\u53e5\u5916\uff0c\u53ea\u6709\u56de\u9000\u4e00\u4e2a\u529e\u6cd5\uff0cOracle\u663e\u7136\u4e0d\u4f1a\u4e3a\u4e86\u91cd\u73b0\u4e00\u4e2abug\u800c\u63d0\u4f9b\u4ec0\u4e48\u89e3\u51b3\u65b9\u6848\u3002\u5f53\u7136\u8fd9\u4e2a\u95ee\u9898\u7684\u907f\u514d\u5e94\u8be5\u901a\u8fc7\u524d\u671f\u7684\u6d4b\u8bd5\u6765\u907f\u514d\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u8fd8\u662f\u5173\u6ce8\u4e00\u4e0b\u8fd9\u4e2abug\u3002
\n\u5728\u5982\u679c\u4f7f\u7528\u6807\u51c6\u67e5\u8be2\u5199\u6cd5\uff0c\u5f53\u5173\u8054\u8868\u7684\u4e2a\u6570\u8d85\u8fc72\u4e2a\uff0c\u4e14\u8868\u90fd\u5305\u542b\u76f8\u540c\u7684\u5217\u540d\uff0c\u90a3\u4e48\u5728\u67e5\u8be2\u7684\u65f6\u5019\u5982\u679c\u4e0d\u6307\u5b9a\u8fd9\u4e2a\u5217\u540d\u7684\u5c5e\u4e3b\uff0c\u662f\u4e0d\u4f1a\u62a5\u9519\u7684\u3002<\/p>\n

SQL*Plus: Release 10.2.0.3.0 - Production on Tue Nov 8 15:51:41 2011\r\nCopyright (c) 1982, 2006, Oracle. All Rights Reserved.\r\nConnected to:\r\nOracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production\r\nWith the Partitioning, OLAP and Data Mining options\r\nSQL> create user u1 identified by u1 default tablespace users;\r\nUser created.\r\nSQL> grant connect, resource to u1;\r\nGrant succeeded.\r\nSQL> conn u1\/u1\r\nConnected.\r\nSQL> create table t1 (id number);\r\nTable created.\r\nSQL> create table t2 (id number);\r\nTable created.\r\nSQL> create table t3 (id number);\r\nTable created.\r\nSQL> select id from t1, t2, t3 where t1.id = t2.id and t1.id = t3.id;\r\nselect id from t1, t2, t3 where t1.id = t2.id and t1.id = t3.id\r\n*\r\nERROR at line 1:\r\nORA-00918: column ambiguously defined\r\n\r\nSQL> select id from t1 join t2 on t1.id = t2.id join t3 on t1.id = t3.id;\r\nno rows selected\r\nSQL> select id from t1 join t2 on t1.id = t2.id;\r\nselect id from t1 join t2 on t1.id = t2.id\r\n*\r\nERROR at line 1:\r\nORA-00918: column ambiguously defined<\/pre>\n
\u53ef\u4ee5\u770b\u5230\uff0cOracle\u7684\u5199\u6cd5\u4e0d\u5b58\u5728\u8fd9\u4e2a\u95ee\u9898\uff0c\u800c\u5982\u679c\u4f7f\u7528\u6807\u51c6SQL\u5199\u6cd5\uff0c\u5728\u8868\u8fde\u63a5\u6570\u8d85\u8fc72\u5f20\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u5f15\u53d1bug\uff0cOracle\u4f1a\u5ffd\u7565\u5217\u91cd\u540d\u95ee\u9898\u3002<\/p>\n
SQL> alter table t3 add (id1 number);\r\nTable altered.\r\nSQL> select id from t1 join t2 on t1.id = t2.id join t3 on t1.id = t3.id1;\r\nno rows selected\r\nSQL> alter table t3 drop (id);\r\nTable altered.\r\nSQL> select id from t1 join t2 on t1.id = t2.id join t3 on t1.id = t3.id1;\r\nselect id from t1 join t2 on t1.id = t2.id join t3 on t1.id = t3.id1\r\n*\r\nERROR at line 1:\r\nORA-00918: column ambiguously defined<\/pre>\n
\u6d4b\u8bd5\u8fd8\u53d1\u73b0\uff0c\u5bfc\u81f4\u95ee\u9898\u7684\u539f\u56e0\u53ea\u548c\u8868\u4e2d\u662f\u5426\u5b58\u5728\u5217\u6709\u5173\uff0c\u800c\u4e0e\u662f\u5426\u662f\u8fde\u63a5\u5217\u6ca1\u6709\u5173\u7cfb\uff0c\u56e0\u6b64\u5fc5\u987b\u4e09\u5f20\u6216\u4ee5\u4e0a\u7684\u8868\u62e5\u6709\u76f8\u540c\u7684\u5217\u540d\uff0c\u624d\u4f1a\u5f15\u53d1\u8fd9\u4e2abug\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5ba2\u6237\u7684\u6570\u636e\u5e93\u4ece10.2.0.1\u5347\u7ea7\u523010.2.0.5\u540e\uff0c\u51fa\u73b0\u4e86ORA-918\u9519\u8bef\uff0c\u4e0d\u8fc7\u5bfc\u81f4\u9519\u8bef\u51fa\u73b0\u7684\u539f\u56e0\u5e76\u4e0d\u662f\u5347\u7ea7\u78b0\u5230\u4e86BUG\uff0c\u800c\u662f\u5347\u7ea7\u89e3\u51b3\u4e86BUG\u3002 \u5728Oracle 10.2.0.5\u4e2d\uff0c\u89e3\u51b3\u4e86\u4e00\u4e2aBug 5368296 ANSI join SQL may not report ORA-918 for ambiguous column\uff0c\u7ed3\u679c\u539f\u672c\u5ba2\u6237\u53d7\u8fd9\u4e2abug\u5f71\u54cd\u800c\u6ca1\u6709\u62a5\u9519\u7684SQL\u8bed\u53e5\uff0c\u5728\u5347\u7ea7\u4e4b\u540e\u5f00\u59cb\u5927\u9762\u79ef\u62a5\u9519\u3002 \u800c\u89e3\u51b3\u529e\u6cd5\u9664\u4e86\u4fee\u6539SQL\u8bed\u53e5\u5916\uff0c\u53ea\u6709\u56de\u9000\u4e00\u4e2a\u529e\u6cd5\uff0cOracle\u663e\u7136\u4e0d\u4f1a\u4e3a\u4e86\u91cd\u73b0\u4e00\u4e2abug\u800c\u63d0\u4f9b\u4ec0\u4e48\u89e3\u51b3\u65b9\u6848\u3002\u5f53\u7136\u8fd9\u4e2a\u95ee\u9898\u7684\u907f\u514d\u5e94\u8be5\u901a\u8fc7\u524d\u671f\u7684\u6d4b\u8bd5\u6765\u907f\u514d\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u8fd8\u662f\u5173\u6ce8\u4e00\u4e0b\u8fd9\u4e2abug\u3002 \u5728\u5982\u679c\u4f7f\u7528\u6807\u51c6\u67e5\u8be2\u5199\u6cd5\uff0c\u5f53\u5173\u8054\u8868\u7684\u4e2a\u6570\u8d85\u8fc72\u4e2a\uff0c\u4e14\u8868\u90fd\u5305\u542b\u76f8\u540c\u7684\u5217\u540d\uff0c\u90a3\u4e48\u5728\u67e5\u8be2\u7684\u65f6\u5019\u5982\u679c\u4e0d\u6307\u5b9a\u8fd9\u4e2a\u5217\u540d\u7684\u5c5e\u4e3b\uff0c\u662f\u4e0d\u4f1a\u62a5\u9519\u7684\u3002 SQL*Plus: Release 10.2.0.3.0 – Production on Tue Nov 8 15:51:41 2011 Copyright (c) 1982, 2006, Oracle. All Rights Reserved. Connected to: Oracle Database 10g … Continue reading →<\/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":[5],"tags":[73,220],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2yiY3-4t","_links":{"self":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/277"}],"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=277"}],"version-history":[{"count":1,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions"}],"predecessor-version":[{"id":300,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions\/300"}],"wp:attachment":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}