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-rw-r--r--src/database/sql/example_test.go46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/database/sql/example_test.go b/src/database/sql/example_test.go
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+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sql_test
+
+import (
+ "database/sql"
+ "fmt"
+ "log"
+)
+
+var db *sql.DB
+
+func ExampleDB_Query() {
+ age := 27
+ rows, err := db.Query("SELECT name FROM users WHERE age=?", age)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer rows.Close()
+ for rows.Next() {
+ var name string
+ if err := rows.Scan(&name); err != nil {
+ log.Fatal(err)
+ }
+ fmt.Printf("%s is %d\n", name, age)
+ }
+ if err := rows.Err(); err != nil {
+ log.Fatal(err)
+ }
+}
+
+func ExampleDB_QueryRow() {
+ id := 123
+ var username string
+ err := db.QueryRow("SELECT username FROM users WHERE id=?", id).Scan(&username)
+ switch {
+ case err == sql.ErrNoRows:
+ log.Printf("No user with that ID.")
+ case err != nil:
+ log.Fatal(err)
+ default:
+ fmt.Printf("Username is %s\n", username)
+ }
+}