From 7e8d448ef7ba407e6f663e25041f087282f90e61 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Mon, 14 Aug 2023 13:59:50 +0800
Subject: [PATCH] 1

---
 dataset.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dataset.go b/dataset.go
index 26460d7..ff7027a 100644
--- a/dataset.go
+++ b/dataset.go
@@ -11,6 +11,7 @@ type DataSet struct {
 }
 
 func (this *DataSet) Next() bool {
+	ret := this.rows.Next()
 	this.GetColumns()
 	this.values = []interface{}{}
 	for i := 0 ; i < len(this.columns); i++ {
@@ -18,7 +19,7 @@ func (this *DataSet) Next() bool {
 		this.values = append(this.values, &str)
 	}
 	this.rows.Scan(this.values...)
-	return this.rows.Next()
+	return ret
 }
 
 func (this *DataSet) GetColumns() []string {
@@ -32,6 +33,7 @@ func (this *DataSet) GetColumns() []string {
 }
 
 func (this *DataSet) GetByName(name string) *string {
+	this.GetColumns()
 	for i := 0; i < len(this.columns); i++ {
 		if this.columns[i] == name {
 			return this.GetByIndex(int32(i))
@@ -41,6 +43,7 @@ func (this *DataSet) GetByName(name string) *string {
 }
 
 func (this *DataSet) GetByIndex(index int32) *string {
+	this.GetColumns()
 	return this.values[index].(*string);
 }