{"id":2028,"date":"2020-07-29T23:15:28","date_gmt":"2020-07-29T15:15:28","guid":{"rendered":"http:\/\/39.97.231.10\/?p=2028"},"modified":"2020-07-29T23:15:28","modified_gmt":"2020-07-29T15:15:28","slug":"mysql%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%aeinsert-ignore%ef%bc%8c%e9%87%8d%e5%a4%8d%e6%95%b0%e6%8d%ae%e8%87%aa%e5%8a%a8%e5%bf%bd%e7%95%a5","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=2028","title":{"rendered":"MySQL\u63d2\u5165\u6570\u636einsert ignore\uff0c\u91cd\u590d\u6570\u636e\u81ea\u52a8\u5ffd\u7565"},"content":{"rendered":"<div>\n<div>\n<div>\nMySQL\u4e2d\u63d2\u5165\u6570\u636e\uff0c\u5982\u679c\u63d2\u5165\u7684\u6570\u636e\u5728\u8868\u4e2d\u5df2\u7ecf\u5b58\u5728\uff08\u4e3b\u952e\u6216\u8005\u552f\u4e00\u952e\u5df2\u5b58\u5728\uff09\uff0c\u4f7f\u7528insert ignore \u8bed\u6cd5\u53ef\u4ee5\u5ffd\u7565\u63d2\u5165\u91cd\u590d\u7684\u6570\u636e\u3002<\/p>\n<h4>1\u3001insert ignore \u8bed\u6cd5<\/h4>\n<p>insert ignore into table_name values&#8230;<br \/>\n\u4f7f\u7528insert ignore\u8bed\u6cd5\u63d2\u5165\u6570\u636e\u65f6\uff0c\u5982\u679c\u53d1\u751f\u4e3b\u952e\u6216\u8005\u552f\u4e00\u952e\u51b2\u7a81\uff0c\u5219\u5ffd\u7565\u8fd9\u6761\u63d2\u5165\u7684\u6570\u636e\u3002<br \/>\n\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u4e4b\u4e00\uff1a<\/p>\n<ul>\n<li>\u4e3b\u952e\u91cd\u590d<\/li>\n<li>\u552f\u4e00\u952e\u91cd\u590d<\/li>\n<\/ul>\n<h4>2\u3001insert ignore \u6848\u4f8b<\/h4>\n<p>\u5148\u770b\u4e00\u5f20\u8868\uff0c\u8868\u540dtable_name\uff0c\u4e3b\u952eid\uff0c\u552f\u4e00\u952ename\uff0c\u5177\u4f53\u8868\u7ed3\u6784\u53ca\u8868\u4e2d\u6570\u636e\u5982\u4e0b\uff1a<\/p>\n<pre> CREATE TABLE table_name(\n\u00a0 id int(11) NOT NULL,\n\u00a0 name varchar(50) DEFAULT NULL,\n\u00a0 age int(11) DEFAULT NULL,\n\u00a0 PRIMARY KEY (id),\n\u00a0 UNIQUE KEY uk_name (name)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;\n<\/pre>\n<pre>mysql&gt; select * from table_name;\n+----+------+------+\n| id | name | age\u00a0 |\n+----+------+------+\n|\u00a0 1 | Tom\u00a0 |\u00a0\u00a0 20 |\n+----+------+------+\n<\/pre>\n<h5>2.1 \u4e3b\u952e\u51b2\u7a81<\/h5>\n<p>\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\uff0cid\u4e3a1\uff0c\u5982\u679c\u4e0d\u52a0 ignore \uff0c\u62a5\u4e3b\u952e\u51b2\u7a81\u7684\u9519\u8bef\uff0c\u5982\u4e0b\uff1a<br \/>\nmysql&gt;\u00a0insert into table_name values(1,\\&#8217;Bill\\&#8217;, 21);<br \/>\nERROR 1062 (23000): Duplicate entry \\&#8217;1\\&#8217; for key \\&#8217;PRIMARY\\&#8217;<br \/>\n\u52a0\u4e0aignore\u4e4b\u540e\uff0c\u4e0d\u4f1a\u62a5\u9519\uff0c\u4f46\u6709\u4e00\u4e2awarning\u8b66\u544a\uff0c\u5982\u4e0b\uff1a<br \/>\nmysql&gt;\u00a0insert ignore into table_name values(1,\\&#8217;Bill\\&#8217;, 21);<br \/>\nQuery OK, 0 rows affected, 1 warning (0.00 sec)<br \/>\nmysql&gt; show warnings;<br \/>\n+&#8212;&#8212;&#8212;+&#8212;&#8212;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;+<br \/>\n| Level\u00a0\u00a0 | Code | Message\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |<br \/>\n+&#8212;&#8212;&#8212;+&#8212;&#8212;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;+<br \/>\n| Warning | 1062 | Duplicate entry \\&#8217;1\\&#8217; for key \\&#8217;PRIMARY\\&#8217; |<br \/>\n+&#8212;&#8212;&#8212;+&#8212;&#8212;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;+<br \/>\n\u67e5\u8be2\u8868\uff0c\u53d1\u73b0\u63d2\u5165\u7684\u6570\u636e\u88ab\u5ffd\u7565\u4e86\u3002<br \/>\nmysql&gt; select * from table_name;<br \/>\n+&#8212;-+&#8212;&#8212;+&#8212;&#8212;+<br \/>\n| id | name | age\u00a0 |<br \/>\n+&#8212;-+&#8212;&#8212;+&#8212;&#8212;+<br \/>\n|\u00a0 1 | Tom\u00a0 |\u00a0\u00a0 20 |<br \/>\n+&#8212;-+&#8212;&#8212;+&#8212;&#8212;+<\/p>\n<h5>2.2 \u552f\u4e00\u952e\u51b2\u7a81<\/h5>\n<p>\u540c\u6837\uff0c\u63d2\u5165\u552f\u4e00\u952e\u51b2\u7a81\u7684\u6570\u636e\u4e5f\u4f1a\u5ffd\u7565\uff0c\u5982\u4e0b\u6240\u793a\uff1a<br \/>\nmysql&gt;\u00a0insert into table_name values(2,\\&#8217;Tom\\&#8217;,21);<br \/>\nERROR 1062 (23000): Duplicate entry \\&#8217;Tom\\&#8217; for key \\&#8217;uk_name\\&#8217;<br \/>\nmysql&gt;\u00a0insert ignore into table_name values(2,\\&#8217;Tom\\&#8217;,21);<br \/>\nQuery OK, 0 rows affected, 1 warning (0.00 sec)<br \/>\n\u5982\u679c\u4e1a\u52a1\u903b\u8f91\u9700\u8981\u63d2\u5165\u91cd\u590d\u6570\u636e\u65f6\u81ea\u52a8\u5ffd\u7565\uff0c\u4e0d\u59a8\u8bd5\u8bd5MySQL \u7684 insert ignore \u529f\u80fd\u3002\n<\/p><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4e2d\u63d2\u5165\u6570\u636e\uff0c\u5982\u679c\u63d2\u5165\u7684\u6570\u636e\u5728\u8868\u4e2d\u5df2\u7ecf\u5b58\u5728\uff08\u4e3b\u952e\u6216\u8005\u552f\u4e00\u952e\u5df2\u5b58\u5728\uff09\uff0c\u4f7f\u7528insert ignore \u8bed &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=2028\"> <span class=\"screen-reader-text\">MySQL\u63d2\u5165\u6570\u636einsert ignore\uff0c\u91cd\u590d\u6570\u636e\u81ea\u52a8\u5ffd\u7565<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[90,88],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"MySQL\u4e2d\u63d2\u5165\u6570\u636e\uff0c\u5982\u679c\u63d2\u5165\u7684\u6570\u636e\u5728\u8868\u4e2d\u5df2\u7ecf\u5b58\u5728\uff08\u4e3b\u952e\u6216\u8005\u552f\u4e00\u952e\u5df2\u5b58\u5728\uff09\uff0c\u4f7f\u7528insert ignore \u8bed&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/2028"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2028"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/2028\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2028"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}