{"id":7316,"date":"2024-11-14T10:36:13","date_gmt":"2024-11-14T02:36:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7316\/"},"modified":"2024-11-14T10:36:13","modified_gmt":"2024-11-14T02:36:13","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e6%8a%a5%e9%94%99no-index-used-in-query-prepared-statement%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7316\/","title":{"rendered":"\u6570\u636e\u5e93\u62a5\u9519\u201cNo index used in query\/prepared statement\u201d\uff1a\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173070541236454.jpg\" class=\"aligncenter\" title=\"\u6570\u636e\u5e93\u62a5\u9519\u201cNo index used in query\/prepared statement\u201d\uff1a\u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" alt=\"\u6570\u636e\u5e93\u62a5\u9519\u201cNo index used in query\/prepared statement\u201d\uff1a\u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u201cno index used in query\/prepared statement\u201d \u9519\u8bef\u5206\u6790<\/strong><\/p>\n<p>\u5728\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u4e2d\u5c1d\u8bd5\u4f7f\u7528\u672a\u5efa\u7d22\u5f15\u7684\u5217\u65f6\uff0c\u4f1a\u51fa\u73b0\u201cno index used in query\/prepared statement\u201d\u9519\u8bef\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u5fc5\u987b\u626b\u63cf\u6574\u4e2a\u8868\u624d\u80fd\u67e5\u627e\u5339\u914d\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u6b64\u9519\u8bef\uff0c\u9700\u8981\u5728\u7528\u4e8e\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u7d22\u5f15\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5141\u8bb8\u6570\u636e\u5e93\u5feb\u901f\u67e5\u627e\u7279\u5b9a\u503c\uff0c\u800c\u65e0\u9700\u626b\u63cf\u6574\u4e2a\u8868\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 i \u521b\u5efa\u7d22\u5f15\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>$mysql-&gt;query(\"CREATE INDEX idx_name ON calc(name)\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u521b\u5efa\u7d22\u5f15\u540e\uff0c\u518d\u6b21\u8fd0\u884c\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u5e94\u8be5\u4f1a\u6210\u529f\uff0c\u5e76\u4e14\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\u3002\u6b64\u5916\uff0c\u6570\u636e\u5e93\u6027\u80fd\u4e5f\u4f1a\u5f97\u5230\u63d0\u5347\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u5feb\u901f\u67e5\u627e\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u62a5\u9519\u201cNo index used in query\/prepared statement\u201d\uff1a\u5982\u4f55\u89e3\u51b3\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cno index used in query\/prepared statement\u201d \u9519\u8bef\u5206\u6790 \u5728\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u4e2d\u5c1d\u8bd5\u4f7f\u7528\u672a\u5efa\u7d22\u5f15\u7684\u5217\u65f6\uff0c\u4f1a\u51fa\u73b0\u201cno index used in query\/prepared statement\u201d\u9519\u8bef\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u5fc5\u987b\u626b\u63cf\u6574\u4e2a\u8868\u624d\u80fd\u67e5\u627e\u5339\u914d\u7684\u7ed3\u679c\u3002 \u4e3a\u4e86\u89e3\u51b3\u6b64\u9519\u8bef\uff0c\u9700\u8981\u5728\u7528\u4e8e\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u7d22\u5f15\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5141\u8bb8\u6570\u636e\u5e93\u5feb\u901f\u67e5\u627e\u7279\u5b9a\u503c\uff0c\u800c\u65e0\u9700\u626b\u63cf\u6574\u4e2a\u8868\u3002 \u4ee5\u4e0b\u662f\u4f7f\u7528 i \u521b\u5efa\u7d22\u5f15\u7684\u4ee3\u7801\u793a\u4f8b\uff1a $mysql-&gt;query(&#8220;CREATE INDEX idx_name ON calc(name)&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u7d22\u5f15\u540e\uff0c\u518d\u6b21\u8fd0\u884c\u67e5\u8be2\u6216\u9884\u5904\u7406\u8bed\u53e5\u5e94\u8be5\u4f1a\u6210\u529f\uff0c\u5e76\u4e14\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\u3002\u6b64\u5916\uff0c\u6570\u636e\u5e93\u6027\u80fd\u4e5f\u4f1a\u5f97\u5230\u63d0\u5347\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u5feb\u901f\u67e5\u627e\u6240\u9700\u7684\u6570\u636e\u3002 \u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u62a5\u9519\u201cNo index used in query\/prepared statement\u201d\uff1a\u5982\u4f55\u89e3\u51b3\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7316","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7316"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7316\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}