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 ShipName, ShipCity FROM \"lakebase\".\"schema01\".Orders WHERE ShipCountry = ?", "USA")
defer rows.Close()
for rows.Next() {
var (
ShipName string
ShipCity string
)
rows.Scan(&ShipName, &ShipCity)
fmt.Printf("ShipName = %s, ShipCity = %s\n", ShipName, ShipCity)
}
Reusable Statements
The Prepare function creates prepared Stmt objects, which can be re-used across multiple Query and Exec calls.
stmt, _ := db.Prepare("SELECT ShipName, ShipCity FROM \"lakebase\".\"schema01\".Orders WHERE ShipCountry = ?")
defer stmt.Close()
rows, _ := stmt.Query("USA 1")
defer rows.Close()
for rows.Next() {
var (
ShipName string
ShipCity string
)
rows1.Scan(&ShipName, &ShipCity)
fmt.Printf("ShipName = %s, ShipCity = %s\n", ShipName, ShipCity)
}
rows, _ = stmt.Query("USA 2")
defer rows.Close()
for rows.Next() {
var (
ShipName string
ShipCity string
)
rows2.Scan(&ShipName, &ShipCity)
fmt.Printf("ShipName = %s, ShipCity = %s\n", ShipName, ShipCity)
}