Data commit

Task/Parameterized-SQL-statement/Go/parameterized-sql-statement.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+    "database/sql"
+    "fmt"
+
+    _ "github.com/mattn/go-sqlite3"
+)
+
+func main() {
+    db, _ := sql.Open("sqlite3", "rc.db")
+    defer db.Close()
+    db.Exec(`create table players (name, score, active, jerseyNum)`)
+    db.Exec(`insert into players values ("",0,0,"99")`)
+    db.Exec(`insert into players values ("",0,0,"100")`)
+
+    // Parameterized
+    db.Exec(`update players set name=?, score=?, active=? where jerseyNum=?`,
+        "Smith, Steve", 42, true, "99")
+
+    rows, _ := db.Query("select * from players")
+    var (
+        name      string
+        score     int
+        active    bool
+        jerseyNum string
+    )
+    for rows.Next() {
+        rows.Scan(&name, &score, &active, &jerseyNum)
+        fmt.Printf("%3s %12s %3d %t\n", jerseyNum, name, score, active)
+    }
+    rows.Close()
+}