From 743d64c8ac495e0f1b1e88287863b9eefd3e2de8 Mon Sep 17 00:00:00 2001
From: vickyhui <qihui_0324@yeah.net>
Date: Thu, 23 Jul 2020 18:39:39 +0800
Subject: [PATCH] Update varcols.md
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获取sql查询每一列的数据
---
 varcols.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/varcols.md b/varcols.md
index 02d8323..97adcc1 100644
--- a/varcols.md
+++ b/varcols.md
@@ -51,6 +51,11 @@ for rows.Next() {
 	// Now you can check each element of vals for nil-ness,
 	// and you can use type introspection and type assertions
 	// to fetch the column into a typed variable.
+	
+	//If you want to get the column value,you can just do it like this 
+	col_value := scanArgs[i].(*sql.RawBytes)
+	value := string(*col_value)
+	fmt.Println(value)
 }
 </pre>