70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
package q_test
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import (
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"fmt"
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"log"
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"time"
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"os"
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"io/ioutil"
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"path/filepath"
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"strings"
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"github.com/asdine/storm"
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"github.com/asdine/storm/q"
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)
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func ExampleRe() {
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dir, db := prepareDB()
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defer os.RemoveAll(dir)
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defer db.Close()
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var users []User
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// Find all users with name that starts with the letter D.
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if err := db.Select(q.Re("Name", "^D")).Find(&users); err != nil {
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log.Println("error: Select failed:", err)
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return
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}
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// Donald and Dilbert
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fmt.Println("Found", len(users), "users.")
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// Output:
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// Found 2 users.
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}
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type User struct {
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ID int `storm:"id,increment"`
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Group string `storm:"index"`
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Email string `storm:"unique"`
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Name string
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Age int `storm:"index"`
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CreatedAt time.Time `storm:"index"`
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}
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func prepareDB() (string, *storm.DB) {
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dir, _ := ioutil.TempDir(os.TempDir(), "storm")
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db, _ := storm.Open(filepath.Join(dir, "storm.db"))
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for i, name := range []string{"John", "Norm", "Donald", "Eric", "Dilbert"} {
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email := strings.ToLower(name + "@provider.com")
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user := User{
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Group: "staff",
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Email: email,
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Name: name,
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Age: 21 + i,
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CreatedAt: time.Now(),
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}
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err := db.Save(&user)
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if err != nil {
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log.Fatal(err)
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}
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}
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return dir, db
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}
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