{"id":177987,"date":"2024-11-08T17:15:20","date_gmt":"2024-11-08T09:15:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/177987\/"},"modified":"2024-11-08T17:15:21","modified_gmt":"2024-11-08T09:15:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41276-sqlstate-hy000-er_warn_field_resolved-%e5%9c%a8%e7%ac%acd%e5%80%8bselect%e4%b8%ad%e5%ad%97%e6%ae%b5%e6%88%96%e5%bc%95%e7%94%a8sss","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/177987\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41276 &#8211; SQLSTATE: HY000 (ER_WARN_FIELD_RESOLVED) \u5728\u7b2c%d\u500bSELECT\u4e2d\u5b57\u6bb5\u6216\u5f15\u7528&#8217;%s%s%s%s%s&#8217;\u88ab\u89e3\u6790\u70ba\u7b2c%d\u500bSELECT\u4e2d\u7684"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a41276-sqlstate-hy000-er_warn_field_resolved-OlyTrcQLUd\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa41276 &#8211; SQLSTATE: HY000 (ER_WARN_FIELD_RESOLVED)<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc1276\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201cSQLSTATE: HY000 (ER_WARN_FIELD_RESOLVED)\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u57f7\u884c\u591a\u500bSELECT\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528JOIN\u6216\u5b50\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-OlyTrcQLUd\">\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>\u932f\u8aa41276\u901a\u5e38\u8868\u793a\u5728\u7b2c%d\u500bSELECT\u4e2d\uff0c\u67d0\u500b\u5b57\u6bb5\u6216\u5f15\u7528\u88ab\u89e3\u6790\u70ba\u7b2c%d\u500bSELECT\u4e2d\u7684\u5b57\u6bb5\u3002\u9019\u610f\u5473\u8457MySQL\u5728\u89e3\u6790\u67e5\u8a62\u6642\uff0c\u7121\u6cd5\u6b63\u78ba\u8b58\u5225\u5b57\u6bb5\u7684\u4f86\u6e90\uff0c\u5c0e\u81f4\u4e86\u5b57\u6bb5\u89e3\u6790\u7684\u885d\u7a81\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u6bb5\u540d\u7a31\u91cd\u8907\uff1a<\/strong>\u7576\u591a\u500b\u8868\u4e2d\u5b58\u5728\u76f8\u540c\u540d\u7a31\u7684\u5b57\u6bb5\u6642\uff0c\u82e5\u672a\u4f7f\u7528\u8868\u5225\u540d\u4f86\u660e\u78ba\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u89e3\u6790\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5b50\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u5f15\u7528\uff1a<\/strong>\u5728\u5b50\u67e5\u8a62\u4e2d\u5f15\u7528\u5916\u90e8\u67e5\u8a62\u7684\u5b57\u6bb5\u6642\uff0c\u82e5\u672a\u6b63\u78ba\u6307\u5b9a\uff0c\u5247\u53ef\u80fd\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>JOIN\u64cd\u4f5c\u4e2d\u7684\u5b57\u6bb5\u885d\u7a81\uff1a<\/strong>\u5728\u9032\u884cJOIN\u64cd\u4f5c\u6642\uff0c\u82e5\u672a\u4f7f\u7528\u8868\u5225\u540d\u4f86\u5340\u5206\u76f8\u540c\u540d\u7a31\u7684\u5b57\u6bb5\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u89e3\u6790\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a41276-OlyTrcQLUd\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa41276<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa41276\u7684\u95dc\u9375\u5728\u65bc\u6b63\u78ba\u5730\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%a1%a8%e5%88%a5%e5%90%8d-OlyTrcQLUd\">1. \u4f7f\u7528\u8868\u5225\u540d<\/h3>\n<p>\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u8868\u5225\u540d\u53ef\u4ee5\u6709\u6548\u907f\u514d\u5b57\u6bb5\u540d\u7a31\u885d\u7a81\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT a.id, b.name \nFROM table_a AS a \nJOIN table_b AS b ON a.id = b.a_id;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86\u8868\u5225\u540d<a href=\"https:\/\/server.hk\">a<\/a>\u548c<b>b<\/b>\u4f86\u660e\u78ba\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6f5b\u5728\u7684\u89e3\u6790\u554f\u984c\u3002<\/p>\n<h3 id=\"2-%e6%98%8e%e7%a2%ba%e6%8c%87%e5%ae%9a%e5%ad%97%e6%ae%b5%e4%be%86%e6%ba%90-OlyTrcQLUd\">2. \u660e\u78ba\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90<\/h3>\n<p>\u5728\u591a\u500b\u8868\u4e2d\u5b58\u5728\u76f8\u540c\u5b57\u6bb5\u540d\u7a31\u7684\u60c5\u6cc1\u4e0b\uff0c\u61c9\u8a72\u660e\u78ba\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT table_a.id, table_b.name \nFROM table_a \nJOIN table_b ON table_a.id = table_b.a_id;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddMySQL\u80fd\u5920\u6b63\u78ba\u89e3\u6790\u5b57\u6bb5\uff0c\u907f\u514d\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%ad%90%e6%9f%a5%e8%a9%a2%e4%b8%ad%e7%9a%84%e5%ad%97%e6%ae%b5%e5%bc%95%e7%94%a8-OlyTrcQLUd\">3. \u6aa2\u67e5\u5b50\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u5f15\u7528<\/h3>\n<p>\u5728\u4f7f\u7528\u5b50\u67e5\u8a62\u6642\uff0c\u61c9\u8a72\u6aa2\u67e5\u662f\u5426\u6b63\u78ba\u5f15\u7528\u4e86\u5916\u90e8\u67e5\u8a62\u7684\u5b57\u6bb5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * \nFROM table_a \nWHERE id IN (SELECT a_id FROM table_b WHERE condition);<\/code><\/pre>\n<p>\u78ba\u4fdd\u5b50\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u5f15\u7528\u6b63\u78ba\uff0c\u4e26\u4e14\u4e0d\u6703\u8207\u5916\u90e8\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u767c\u751f\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OlyTrcQLUd\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa41276 &#8211; SQLSTATE: HY000 (ER_WARN_FIELD_RESOLVED) \u662f\u4e00\u500b\u5e38\u898b\u7684\u89e3\u6790\u932f\u8aa4\uff0c\u901a\u5e38\u7531\u65bc\u5b57\u6bb5\u540d\u7a31\u91cd\u8907\u6216\u4e0d\u660e\u78ba\u7684\u5b57\u6bb5\u5f15\u7528\u5f15\u8d77\u3002\u901a\u904e\u4f7f\u7528\u8868\u5225\u540d\u3001\u660e\u78ba\u6307\u5b9a\u5b57\u6bb5\u4f86\u6e90\u4ee5\u53ca\u6aa2\u67e5\u5b50\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u5f15\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa41276 &#8211; SQLSTATE: HY000\uff0c\u4e86\u89e3\u5982\u4f55\u89e3\u6c7a\u5b57\u6bb5\u89e3\u6790\u554f\u984c\uff0c\u78ba\u4fdd\u67e5\u8a62\u6b63\u78ba\u57f7\u884c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-177987","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=177987"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177987\/revisions"}],"predecessor-version":[{"id":177988,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/177987\/revisions\/177988"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=177987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=177987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=177987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}