{"id":25833,"date":"2024-11-24T08:06:11","date_gmt":"2024-11-24T00:06:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25833\/"},"modified":"2024-11-24T08:06:11","modified_gmt":"2024-11-24T00:06:11","slug":"mysql-%e6%9f%a5%e8%af%a2%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e8%87%b4%e5%91%bd%e9%94%99%e8%af%af%ef%bc%9a%e6%9c%aa%e6%8d%95%e8%8e%b7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25833\/","title":{"rendered":"MySQL \u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\uff1a\u5982\u4f55\u89e3\u51b3\u201c\u81f4\u547d\u9519\u8bef\uff1a\u672a\u6355\u83b7\u7684\u5f02\u5e38 ‘mysqli_sql_exception’ \u5e26\u6709\u6d88\u606f ‘No index used in query\/prepared statement’\u201d"},"content":{"rendered":"

\"MySQL<\/p>\n

\u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\u9020\u6210\u7684\u9519\u8bef<\/strong><\/p>\n

\u5728\u8fd0\u884c mysql \u67e5\u8be2\u65f6\uff0c\u6536\u5230\u4e86\u4ee5\u4e0b\u9519\u8bef\u6d88\u606f\uff1a<\/p>\n

\u81f4\u547d\u9519\u8bef\uff1a\u672a\u6355\u83b7\u7684\u5f02\u5e38 'mysqli_sql_exception' \u5e26\u6709\u6d88\u606f 'no index used in query\/prepared statement'<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u662f\u56e0\u4e3a\u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\uff0c\u5bfc\u81f4\u67e5\u8be2\u901f\u5ea6\u6162\u3002<\/p>\n
\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
    \n
  1.  \u521b\u5efa\u7d22\u5f15\uff1a<\/strong> \u5728\u67e5\u8be2\u4e2d\u6d89\u53ca\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u8fd9\u5c06\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n
  2.  \u89e6\u53d1 mysql \u9519\u8bef\u62a5\u544a\uff1a<\/strong> \u4f7f\u7528 mysqli_report() \u51fd\u6570\u89e6\u53d1 mysql \u9519\u8bef\u62a5\u544a\uff0c\u4ee5\u4fbf\u5728\u67e5\u8be2\u4e2d\u672a\u4f7f\u7528\u7d22\u5f15\u65f6\u663e\u793a\u8b66\u544a\u3002<\/li>\n<\/ol>\n
    \u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539\u4ee3\u7801\uff1a<\/p>\n
    <?php\n$mysql = new mysqli(DB_SERVER, DB_USER, DB_PASSWORD, DB_NAME) or die('There was a problem connecting to the database');\nmysqli_report(MYSQLI_REPORT_OFF); \/\/ \u89e6\u53d1 MySQL \u9519\u8bef\u62a5\u544a\nif (mysqli_connect_errno()) {\n    printf(\"DB error: %s\", mysqli_connect_error());\n    exit();\n}\n\n$get_emp_list = $mysql->prepare(\"SELECT id, name FROM calc\");\nif (!$get_emp_list) {\n    echo \"prepare failed\n\";\n    echo \"error: \", $mysql->error, \"\n\";\n    return;\n}\n$get_emp_list->execute();\n$get_emp_list->bind_result($id, $emp_list);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fMySQL \u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\uff1a\u5982\u4f55\u89e3\u51b3\u201c\u81f4\u547d\u9519\u8bef\uff1a\u672a\u6355\u83b7\u7684\u5f02\u5e38 ‘i_sql_exception’ \u5e26\u6709\u6d88\u606f ‘No index used in query\/prepared statement’\u201d\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\u9020\u6210\u7684\u9519\u8bef \u5728\u8fd0\u884c mysql \u67e5\u8be2\u65f6\uff0c\u6536\u5230\u4e86\u4ee5\u4e0b\u9519\u8bef\u6d88\u606f\uff1a \u81f4\u547d\u9519\u8bef\uff1a\u672a\u6355\u83b7\u7684\u5f02\u5e38 ‘mysqli_sql_exception’ \u5e26\u6709\u6d88\u606f ‘no index used in query\/prepared statement’ \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u662f\u56e0\u4e3a\u67e5\u8be2\u672a\u4f7f\u7528\u7d22\u5f15\uff0c\u5bfc\u81f4\u67e5\u8be2\u901f\u5ea6\u6162\u3002 \u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u521b\u5efa\u7d22\u5f15\uff1a \u5728\u67e5\u8be2\u4e2d\u6d89\u53ca\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u8fd9\u5c06\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002 \u89e6\u53d1 mysql \u9519\u8bef\u62a5\u544a\uff1a \u4f7f\u7528 mysqli_report() \u51fd\u6570\u89e6\u53d1 mysql \u9519\u8bef\u62a5\u544a\uff0c\u4ee5\u4fbf\u5728\u67e5\u8be2\u4e2d\u672a\u4f7f\u7528\u7d22\u5f15\u65f6\u663e\u793a\u8b66\u544a\u3002 \u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539\u4ee3\u7801\uff1a <?php $mysql = new mysqli(DB_SERVER, DB_USER, DB_PASSWORD, DB_NAME) or die(‘There was a problem connecting to the database’); mysqli_report(MYSQLI_REPORT_OFF); \/\/ \u89e6\u53d1 MySQL \u9519\u8bef\u62a5\u544a if (mysqli_connect_errno()) { printf(“DB error: %s”, […]<\/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-25833","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25833","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=25833"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25833\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}