From ac31915b7626e2ac7bce4285d85e3d0018f5ee26 Mon Sep 17 00:00:00 2001
From: bianyucheng <bianyucheng0@gmail.com>
Date: Wed, 7 Aug 2024 10:35:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=BF=E7=94=A8=E5=8D=A0=E4=BD=8D=E7=AC=A6?=
 =?UTF-8?q?=E6=9B=BF=E4=BB=A3=E9=97=AE=E5=8F=B7?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 ast/data.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/ast/data.go b/ast/data.go
index aa126ac..18e066f 100644
--- a/ast/data.go
+++ b/ast/data.go
@@ -78,16 +78,19 @@ func (d *Data) AddChildren(ns ...Node) error {
 
 func (d *Data) GetStmt(ctx *Context) (string, error) {
 	buff := bytes.Buffer{}
+	num := 1
 	for _, child := range d.Nodes {
 		switch dt := child.(type) {
 		case Value:
 			buff.WriteString(dt.String())
 		case *Param:
-			buff.WriteString(dt.String())
+			buff.WriteString(fmt.Sprintf("$%d", num))
+			num += 1
 		case *Variable:
 			variable, ok := ctx.GetVariable(dt.Name)
 			if !ok {
-				buff.WriteString("?")
+				buff.WriteString(fmt.Sprintf("$%d", num))
+				num += 1
 				//return "", fmt.Errorf("variable %s undifine", dt.Name)
 			} else {
 				buff.WriteString(variable)