{"id":77840,"date":"2024-10-16T11:11:17","date_gmt":"2024-10-16T03:11:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/77840\/"},"modified":"2024-10-16T11:11:17","modified_gmt":"2024-10-16T03:11:17","slug":"mysql%e6%8c%87%e4%bb%a4-call%ef%bc%88%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%88%96%e5%87%bd%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/77840\/","title":{"rendered":"MySQL\u6307\u4ee4: CALL\uff08\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-call%ef%bc%88%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%88%96%e5%87%bd%e6%95%b8%ef%bc%89-sErkMxQybR\">MySQL\u6307\u4ee4: CALL\uff08\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u3002\u9019\u4e9b\u529f\u80fd\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5c01\u88dd\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u4e26\u901a\u904e\u7c21\u55ae\u7684\u8abf\u7528\u4f86\u57f7\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684CALL\u6307\u4ee4\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e5%92%8c%e5%87%bd%e6%95%b8%ef%bc%9f-sErkMxQybR\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff1f<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u90fd\u662f\u4e00\u7d44\u9810\u5148\u5b9a\u7fa9\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u88ab\u91cd\u8907\u8abf\u7528\u3002\u5b83\u5011\u7684\u4e3b\u8981\u5340\u5225\u5728\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u904e\u7a0b\uff1a<\/strong>\u53ef\u4ee5\u57f7\u884c\u591a\u500b\u64cd\u4f5c\uff0c\u4e26\u4e14\u4e0d\u8fd4\u56de\u503c\u3002\u5b83\u901a\u5e38\u7528\u65bc\u57f7\u884c\u4e00\u7cfb\u5217\u7684SQL\u8a9e\u53e5\u3002<\/li>\n<li><strong>\u51fd\u6578\uff1a<\/strong>\u901a\u5e38\u7528\u65bc\u8a08\u7b97\u4e26\u8fd4\u56de\u4e00\u500b\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728SQL\u8a9e\u53e5\u4e2d\u76f4\u63a5\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"call%e6%8c%87%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-sErkMxQybR\">CALL\u6307\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>CALL\u6307\u4ee4\u7528\u65bc\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CALL procedure_name(parameter1, parameter2, ...);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>procedure_name<\/code>\u662f\u5b58\u5132\u904e\u7a0b\u7684\u540d\u7a31\uff0c\u800c<code>parameter1, parameter2, ...<\/code>\u662f\u50b3\u905e\u7d66\u5b58\u5132\u904e\u7a0b\u7684\u53c3\u6578\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e7%a4%ba%e4%be%8b-sErkMxQybR\">\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b\uff0c\u8a72\u904e\u7a0b\u7528\u65bc\u8a08\u7b97\u5169\u500b\u6578\u5b57\u7684\u548c\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE PROCEDURE AddNumbers(IN num1 INT, IN num2 INT, OUT result INT)\nBEGIN\n    SET result = num1 + num2;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba<code>AddNumbers<\/code>\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u63a5\u53d7\u5169\u500b\u8f38\u5165\u53c3\u6578<code>num1<\/code>\u548c<code>num2<\/code>\uff0c\u4e26\u8fd4\u56de\u5b83\u5011\u7684\u548c\u4f5c\u70ba\u8f38\u51fa\u53c3\u6578<code>result<\/code>\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84%e7%a4%ba%e4%be%8b-sErkMxQybR\">\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b<\/h2>\n<p>\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528CALL\u6307\u4ee4\u4f86\u8abf\u7528\u5b83\uff1a<\/p>\n<pre><code>SET @result = 0;\nCALL AddNumbers(5, 10, @result);\nSELECT @result AS Sum;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500b\u8b8a\u91cf<code>@result<\/code>\u4f86\u5b58\u5132\u7d50\u679c\uff0c\u7136\u5f8c\u8abf\u7528<code>AddNumbers<\/code>\u5b58\u5132\u904e\u7a0b\uff0c\u6700\u5f8c\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u986f\u793a\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%87%bd%e6%95%b8%e7%9a%84%e7%a4%ba%e4%be%8b-sErkMxQybR\">\u4f7f\u7528\u51fd\u6578\u7684\u793a\u4f8b<\/h2>\n<p>\u9664\u4e86\u5b58\u5132\u904e\u7a0b\uff0cMySQL\u9084\u652f\u6301\u51fd\u6578\u7684\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u51fd\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELIMITER \/\/\nCREATE FUNCTION MultiplyNumbers(num1 INT, num2 INT) RETURNS INT\nBEGIN\n    RETURN num1 * num2;\nEND \/\/\nDELIMITER ;<\/code><\/pre>\n<p>\u9019\u500b\u51fd\u6578\u540d\u70ba<code>MultiplyNumbers<\/code>\uff0c\u63a5\u53d7\u5169\u500b\u6574\u6578\u53c3\u6578\u4e26\u8fd4\u56de\u5b83\u5011\u7684\u4e58\u7a4d\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%87%bd%e6%95%b8%e7%9a%84%e7%a4%ba%e4%be%8b-sErkMxQybR\">\u8abf\u7528\u51fd\u6578\u7684\u793a\u4f8b<\/h2>\n<p>\u8abf\u7528\u51fd\u6578\u7684\u8a9e\u6cd5\u8207\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u7565\u6709\u4e0d\u540c\uff0c\u4ee5\u4e0b\u662f\u8abf\u7528\u51fd\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT MultiplyNumbers(5, 10) AS Product;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de5\u548c10\u7684\u4e58\u7a4d\uff0c\u7d50\u679c\u70ba50\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sErkMxQybR\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u4e2d\u7684CALL\u6307\u4ee4\u662f\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\u7684\u91cd\u8981\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5c01\u88dd\u548c\u91cd\u7528\u4ee3\u78bc\u3002\u901a\u904e\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u548c\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\uff0c\u4e26\u7c21\u5316\u8907\u96dc\u7684\u6578\u64da\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9019\u4e9b\u529f\u80fd\u7121\u7591\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684MySQL\u61c9\u7528\u3002\u7121\u8ad6\u662f\u5b58\u5132\u904e\u7a0b\u9084\u662f\u51fd\u6578\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u914d\u7f6e\u90fd\u80fd\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u6d41\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4CALL\uff0c\u5982\u4f55\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u6216\u51fd\u6578\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\uff0c\u7c21\u5316\u8907\u96dc\u67e5\u8a62\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-77840","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77840","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=77840"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77840\/revisions"}],"predecessor-version":[{"id":77841,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/77840\/revisions\/77841"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=77840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=77840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=77840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}