{"id":7046,"date":"2022-09-06T14:34:36","date_gmt":"2022-09-06T09:04:36","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-cancel-action-when-detect-same-line-in-mysql-closed\/"},"modified":"2022-09-06T14:34:36","modified_gmt":"2022-09-06T09:04:36","slug":"solved-how-to-cancel-action-when-detect-same-line-in-mysql-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-cancel-action-when-detect-same-line-in-mysql-closed\/","title":{"rendered":"[Solved] How to cancel action when detect same line in MySQL [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-68660895\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"68660895\" data-parentid=\"68660821\" data-score=\"2\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>from my understanding of your question &#8211; in your php code you can do something like this<\/p>\n<pre><code>&lt;?php\n$con=mysqli_connect(\"localhost\",\"my_user\",\"my_password\",\"my_db\");\n$sqlSearch = \"select everything from &lt;table_name&gt; where &lt;column_name&gt; = &lt;value&gt;;\";\n$result = mysqli_query($con,$sqlSearch );\nif (mysqli_num_rows($result) &gt; 0){\n\/\/ do nothing\n}\nelse{\n$sqlInsert = \"insert into &lt;table_name&gt; (column1,column2...) VALUES(value1,value2...);\";\n$result = mysqli_query($con,$sqlInsert);\n}\n\n\n?&gt;\n<\/code><\/pre>\n<p>basically, you want to search the database to see if that row exist and if it does not you want to perform an insert query.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to cancel action when detect same line in MySQL [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] from my understanding of your question &#8211; in your php code you can do something like this &lt;?php $con=mysqli_connect(&#8220;localhost&#8221;,&#8221;my_user&#8221;,&#8221;my_password&#8221;,&#8221;my_db&#8221;); $sqlSearch = &#8220;select everything from &lt;table_name&gt; where &lt;column_name&gt; = &lt;value&gt;;&#8221;; $result = mysqli_query($con,$sqlSearch ); if (mysqli_num_rows($result) &gt; 0){ \/\/ do nothing } else{ $sqlInsert = &#8220;insert into &lt;table_name&gt; (column1,column2&#8230;) VALUES(value1,value2&#8230;);&#8221;; $result = mysqli_query($con,$sqlInsert); } ?&gt; &#8230; <a title=\"[Solved] How to cancel action when detect same line in MySQL [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-cancel-action-when-detect-same-line-in-mysql-closed\/\" aria-label=\"More on [Solved] How to cancel action when detect same line in MySQL [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[340,855,339],"class_list":["post-7046","post","type-post","status-publish","format-standard","hentry","category-solved","tag-mysql","tag-pdo","tag-php"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to cancel action when detect same line in MySQL [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-cancel-action-when-detect-same-line-in-mysql-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to cancel action when detect same line in MySQL [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] from my understanding of your question &#8211; in your php code you can do something like this &lt;?php $con=mysqli_connect(&quot;localhost&quot;,&quot;my_user&quot;,&quot;my_password&quot;,&quot;my_db&quot;); $sqlSearch = &quot;select everything from &lt;table_name&gt; where &lt;column_name&gt; = &lt;value&gt;;&quot;; $result = mysqli_query($con,$sqlSearch ); if (mysqli_num_rows($result) &gt; 0){ \/\/ do nothing } else{ $sqlInsert = &quot;insert into &lt;table_name&gt; (column1,column2...) VALUES(value1,value2...);&quot;; $result = mysqli_query($con,$sqlInsert); } ?&gt; ... 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