8 lines
272 B
Go
8 lines
272 B
Go
package dao
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// DeductionPrintBalance 扣除打印机账号余额
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func DeductionPrintBalance(db *DaoDB, printNo string) error {
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_, err := ExecuteSQL(db, `UPDATE print_bill SET print_balance = print_balance -1 WHERE print_no = ?`, []interface{}{printNo}...)
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return err
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}
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