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Use existing links

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This commit is contained in:
Mikhail Klementyev 2016-07-24 10:29:11 +03:00
parent 37ae632189
commit 623a3d0f3a
2 changed files with 20 additions and 5 deletions
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14
storage/storage.go
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@ -42,7 +42,7 @@ func AddLink(db *sql.DB, url string) (linkNo int64, err error) {
return
}
func GetLink(db *sql.DB, linkID int) (url string, err error) {
func GetLink(db *sql.DB, linkID int64) (url string, err error) {
stmt, err := db.Prepare("SELECT `url` FROM `links` WHERE id=$1;")
if err != nil {
return
@ -53,3 +53,15 @@ func GetLink(db *sql.DB, linkID int) (url string, err error) {
return
}
func GetLinkID(db *sql.DB, url string) (linkID int64, err error) {
stmt, err := db.Prepare("SELECT `id` FROM `links` WHERE url=$1;")
if err != nil {
return
}
defer stmt.Close()
err = stmt.QueryRow(url).Scan(&linkID)
return
}