<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Efcore on TinyChen's Blog</title><link>https://tinychen.com/tags/efcore/</link><description>Recent content in Efcore on TinyChen's Blog</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Sat, 01 Aug 2026 12:00:00 +0800</lastBuildDate><atom:link href="https://tinychen.com/tags/efcore/index.xml" rel="self" type="application/rss+xml"/><item><title>Octans-SQLite Guid文本大小写排障</title><link>https://tinychen.com/20260726-octans-sqlite-guid-text-casing/</link><pubDate>Sun, 26 Jul 2026 12:00:00 +0800</pubDate><guid>https://tinychen.com/20260726-octans-sqlite-guid-text-casing/</guid><description>&lt;p&gt;本文主要记录在 SQLite / PostgreSQL 双 Provider 与数据迁移场景下，因 &lt;strong&gt;Guid 文本大小写&lt;/strong&gt; 引发的乐观锁失败、登录外键失败与进度上报 500 如何识别和收口。根因在 SQLite TEXT 等值比较大小写敏感，而不是业务权限本身。&lt;/p&gt;</description></item></channel></rss>