Parameterized Statements
The following code example shows how to bind parameters to create parameterized statements.
Single-Use Statements
The Query and Exec functions both accept additional parameters for binding query parameters to values.
rows, _ := db.Query("SELECT CompanyName, City FROM \"CData\".\"SYSTEM\".Customers WHERE Country = ?", "US") defer rows.Close() for rows.Next() { var ( CompanyName string City string ) rows.Scan(&CompanyName, &City) fmt.Printf("CompanyName = %s, City = %s\n", CompanyName, City) }
Reusable Statements
The Prepare function creates prepared Stmt objects, which can be re-used across multiple Query and Exec calls.
stmt, _ := db.Prepare("SELECT CompanyName, City FROM \"CData\".\"SYSTEM\".Customers WHERE Country = ?") defer stmt.Close() rows, _ := stmt.Query("US 1") defer rows.Close() for rows.Next() { var ( CompanyName string City string ) rows1.Scan(&CompanyName, &City) fmt.Printf("CompanyName = %s, City = %s\n", CompanyName, City) } rows, _ = stmt.Query("US 2") defer rows.Close() for rows.Next() { var ( CompanyName string City string ) rows2.Scan(&CompanyName, &City) fmt.Printf("CompanyName = %s, City = %s\n", CompanyName, City) }