From 3e9746c84275346073a2b6b888518fdea71a3549 Mon Sep 17 00:00:00 2001
From: sjcsjc123 <1401189096@qq.com>
Date: Tue, 11 Jul 2023 14:13:18 +0800
Subject: [PATCH] =?UTF-8?q?sql=E8=A7=A3=E6=9E=90=E5=BA=93=E5=8F=AF?=
 =?UTF-8?q?=E4=BB=A5=E8=A7=A3=E6=9E=90update=E8=AF=AD=E5=8F=A5=E4=B8=AD?=
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 =?UTF-8?q?=E5=8F=98=E5=90=8E=E7=9A=84=E5=AD=97=E6=AE=B5=E8=BF=9B=E8=A1=8C?=
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---
 go.mod  |  5 +++++
 go.sum  |  2 ++
 main.go | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..79e96ce
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module sql_prase_demo
+
+go 1.20
+
+require github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..6354a21
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2 h1:zzrxE1FKn5ryBNl9eKOeqQ58Y/Qpo3Q9QNxKHX5uzzQ=
+github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2/go.mod h1:hzfGeIUDq/j97IG+FhNqkowIyEcD88LrW6fyU3K3WqY=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..c931f7f
--- /dev/null
+++ b/main.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/xwb1989/sqlparser"
+)
+
+func main() {
+	sql := "UPDATE orders, inventory SET orders.status = 'Processed', inventory.stock = inventory.stock - orders.quantity WHERE orders.product_id = inventory.product_id AND orders.id = 1 AND inventory.stock >= orders.quantity"
+
+	stmt, err := sqlparser.Parse(sql)
+	if err != nil {
+		fmt.Println("Parse error: ", err.Error())
+		return
+	}
+
+	update, ok := stmt.(*sqlparser.Update)
+	if !ok {
+		fmt.Println("Not an UPDATE statement")
+		return
+	}
+
+	for _, table := range update.TableExprs {
+		switch t := table.(type) {
+		case *sqlparser.AliasedTableExpr:
+			fmt.Println("Table: ", sqlparser.String(t.Expr))
+		}
+	}
+
+	for _, expr := range update.Exprs {
+		fmt.Printf("Column: %s, New value: %s\n", expr.Name.Name, sqlparser.String(expr.Expr))
+	}
+}
-- 
2.45.2