Update SqlBinder.cc

chengxiaosheng · web-flow · commit 591e05c84ca7 · 2025-05-18T10:06:00.000+08:00
std::to_string(double)会丢失精度默认保留6位小数
diff --git a/orm_lib/src/SqlBinder.cc b/orm_lib/src/SqlBinder.cc
@@ -259,7 +259,9 @@ SqlBinder &SqlBinder::operator<<(double f)
         parameters_.push_back((char *)(obj.get()));
         return *this;
     }
-    return operator<<(std::to_string(f));
+    std::stringstream ss;
+    ss << std::setprecision(17) << f;
+    return operator<<(ss.str());
 }
 
 SqlBinder &SqlBinder::operator<<(std::nullptr_t)

Original file line number	Diff line number	Diff line change
`@@ -259,7 +259,9 @@ SqlBinder &SqlBinder::operator<<(double f)`
`259`	`259`	`parameters_.push_back((char *)(obj.get()));`
`260`	`260`	`return *this;`
`261`	`261`	`}`
`262`		`- return operator<<(std::to_string(f));`
	`262`	`+ std::stringstream ss;`
	`263`	`+ ss << std::setprecision(17) << f;`
	`264`	`+ return operator<<(ss.str());`
`263`	`265`	`}`
`264`	`266`
`265`	`267`	`SqlBinder &SqlBinder::operator<<(std::nullptr_t)`