{"id":2656,"date":"2015-07-11T14:10:04","date_gmt":"2015-07-11T06:10:04","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=2656"},"modified":"2015-07-11T14:10:04","modified_gmt":"2015-07-11T06:10:04","slug":"qdb-%e4%bb%8e%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e4%b8%80%e6%ac%a1%e8%8e%b7%e5%8f%96%e5%a4%9a%e4%b8%aa%e6%95%b0%e6%8d%ae%e9%9b%86","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=2656","title":{"rendered":"[QDB] \u4ece\u6570\u636e\u5e93\u4e2d\u4e00\u6b21\u83b7\u53d6\u591a\u4e2a\u6570\u636e\u96c6"},"content":{"rendered":"<p>QDB \u652f\u6301\u4e00\u4e2a\u811a\u672c\u540c\u65f6\u8fd4\u56de\u591a\u4e2a\u7ed3\u679c\uff0c\u64cd\u4f5c\u8fc7\u7a0b\u4e5f\u5f88\u7b80\u5355\uff0c\u4e0b\u9762\u662f\u4e00\u6bb5\u4ece PostgreSQL \u6570\u636e\u5e93\u53d6\u51fa\u4e24\u4e2a\u4e0d\u540c\u7ed3\u679c\u96c6\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"lang:delphi decode:true \">FProv.OpenDataSet(FDataSet,\r\n  'select id,char_d from dbtypes order by id;'+\r\n  'select id,abstime_d from dbtypes order by id;'\r\n);<\/pre>\n<p>\u8fd9\u6837\u5c31\u540c\u65f6\u6253\u5f00\u4e86\u4e24\u4e2a\u7ed3\u679c\u96c6\uff0c\u4f46\u662f\uff0c\u6211\u4eec\u53ea\u4f20\u9012\u4e86\u4e00\u4e2a\u6570\u636e\u96c6\u5bf9\u8c61\u5440\uff1fQDB \u5982\u4f55\u5b58\u7684\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u6bcf\u4e00\u4e2a TQDataSet \u5b9e\u4f8b\u90fd\u6709\u4e00\u4e2a\u5185\u90e8\u7684 FRecordsets \u6570\u7ec4\u6765\u5185\u90e8\u5b58\u8d2e\u591a\u4e2a\u5b50\u7ed3\u679c\u96c6\uff0c\u5f53\u53ea\u6709\u4e00\u4e2a\u7ed3\u679c\u96c6\u65f6\uff0c\u5b83\u7684\u957f\u5ea6\u4e3a0\u3002\u5f53\u6709\u591a\u4e2a\u7ed3\u679c\u96c6\u65f6\uff0cQDB \u4f1a\u5c06\u6bcf\u4e2a\u6570\u636e\u96c6\u5b58\u8d2e\u5230\u5176\u4e2d\uff0c\u800c\u5f53\u524d\u7684\u6570\u636e\u96c6\u5c31\u6210\u4e3a\u4e00\u4e2a\u5bb9\u5668\uff0c\u521d\u59cb\u514b\u9686\u81ea\u7b2c\u4e00\u4e2a\u5b50\u7ed3\u679c\u96c6\u3002\u5f53\u6211\u4eec\u9700\u8981\u8bbf\u95ee\u65f6\uff0c\u53ea\u9700\u8981\u8bbe\u7f6e ActiveRecordset \u5c5e\u6027\u544a\u8bc9\u7cfb\u7edf\u4f60\u8981\u4f7f\u7528\u90a3\u4e2a\u7ed3\u679c\u96c6\u5448\u73b0\u7ed9\u7528\u6237\u5c31\u53ef\u4ee5\u4e86\u3002\u5982\u679c\u54b1\u4eec\u53ea\u662f\u5185\u90e8\u8bbf\u95ee\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee Recordsets \u5c5e\u6027\u5b58\u53d6\u6570\u636e\uff08\u6ce8\u610f\u5b89\u5168\u54df\uff09\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u73b0\u5728\u6211\u4eec\u770b\u4e00\u4e0b\u4e0a\u9762\u7684\u8bed\u53e5\u7684\u7ed3\u679c\u5427\uff1a<\/p>\n<p><a href=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/multids.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2657\" src=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/07\/multids.gif\" alt=\"multids\" width=\"781\" height=\"444\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>QDB \u652f\u6301\u4e00\u4e2a\u811a\u672c\u540c\u65f6\u8fd4\u56de\u591a\u4e2a\u7ed3\u679c\uff0c\u64cd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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