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23806cde4e
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1e1f8bfcf4
5
go.mod
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go.mod
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module sql_prase_demo
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go 1.20
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require github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2
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go.sum
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go.sum
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github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2 h1:zzrxE1FKn5ryBNl9eKOeqQ58Y/Qpo3Q9QNxKHX5uzzQ=
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github.com/xwb1989/sqlparser v0.0.0-20180606152119-120387863bf2/go.mod h1:hzfGeIUDq/j97IG+FhNqkowIyEcD88LrW6fyU3K3WqY=
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34
main.go
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main.go
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package main
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import (
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"fmt"
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"github.com/xwb1989/sqlparser"
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)
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func main() {
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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"
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stmt, err := sqlparser.Parse(sql)
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if err != nil {
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fmt.Println("Parse error: ", err.Error())
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return
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}
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update, ok := stmt.(*sqlparser.Update)
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if !ok {
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fmt.Println("Not an UPDATE statement")
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return
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}
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for _, table := range update.TableExprs {
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switch t := table.(type) {
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case *sqlparser.AliasedTableExpr:
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fmt.Println("Table: ", sqlparser.String(t.Expr))
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}
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}
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for _, expr := range update.Exprs {
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fmt.Printf("Column: %s, New value: %s\n", expr.Name.Name, sqlparser.String(expr.Expr))
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}
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}
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