<\/span><\/h3>\n\n\n\n\u5ffd\u7565\u96c6\u7fa4\u5c42\u6267\u884c\u8ba1\u5212\uff0c\u76f4\u63a5\u4e0b\u53d1\u5230\u5404\u4e2a\u8282\u70b9\u5e76\u884c\u6267\u884c\uff0c\u6bd4\u5982\u7528\u4e8e\u5e93\u5185\u6392\u5e8f<\/p>\n\n\n\n
insert into TABLEA select \/*+distribute_exec*\/ from TABLEB order by id<\/code><\/pre>\n\n\n\n<\/span>HINT\u9519\u8bef\u6d4b\u8bd5<\/span><\/h2>\n\n\n\n<\/span>\u53c2\u6570_gbase_hint_error_level=1<\/span><\/h3>\n\n\n\n\u8f93\u51fawarning\uff0cUnknown system variable XXX<\/p>\n\n\n\n
gbase> set _gbase_hint_error_level=1;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.00)\n\ngbase> select \/*+ABC(3)*\/ * from t2;\n+------+\n| id |\n+------+\n| 1 |\n| 2 |\n| 3 |\n| 4 |\n| 5 |\n+------+\n5 rows in set, 1 warning (Elapsed: 00:00:00.00)\n\ngbase> show warnings;\n+-------+------+--------------------------------------------------+\n| Level | Code | Message |\n+-------+------+--------------------------------------------------+\n| Note | 1105 | Parse hint failed: Unknown system variable 'ABC' |\n+-------+------+--------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<\/span>\u53c2\u6570_gbase_hint_error_level=2<\/span><\/h3>\n\n\n\n\u9519\u8bef\u7684hint\u76f4\u63a5\u62a5\u9519\uff1aERROR 1805 (HY000): Got error in hint. Parse hint failed: Unknown system variable<\/p>\n\n\n\n
gbase> set _gbase_hint_error_level=2;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.00)\n\ngbase> select \/*+ABC(3)*\/ * from t2;\nERROR 1805 (HY000): Got error in hint. Parse hint failed: Unknown system variable 'ABC'\ngbase>\n<\/code><\/pre>","protected":false},"excerpt":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u652f\u6301hint\u6765\u4e34\u65f6\u8c03\u6574SQL\u6267\u884c\u8ba1\u5212\uff0c\u5176\u4e2dsession\u7ea7\u7684\u53c2\u6570\u5168\u90e8\u53ef\u4ee5\u901a\u8fc7hint\u6765\u8bbe\u7f6e\uff0c\u672c\u6587\u8fd8\u6574\u7406\u4e00\u4e9b\u7279\u6b8ahint\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-8995","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=8995"}],"version-history":[{"count":18,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8995\/revisions"}],"predecessor-version":[{"id":9013,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/8995\/revisions\/9013"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=8995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=8995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=8995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}