My code is as follow (I use gorm):
e.GET("/search", func(c echo.Context) error {
keyword := c.QueryParam("keyword")
results := make([]searchResult, 0)
if keyword != "" {
db, err := models.ConnectDB()
defer db.Close()
if err != nil {
return err
}
rows, err := db.Raw("SELECT songs.name, singers.name, albums.name FROM songs, singers, albums WHERE (songs.singer_id = singers.id AND songs.album_id = albums.id) AND (songs.name LIKE '%?%' OR singers.name LIKE '%?%' OR albums.name LIKE '%?%')", keyword, keyword, keyword).Rows()
defer rows.Close()
var songName, singerName, albumName string
if err == nil {
for rows.Next() {
rows.Scan(&songName, &singerName, &albumName)
results = append(results, searchResult{
SongName: songName,
SingerName: singerName,
AlbumName: albumName,
})
}
} else {
return err
}
}
return c.Render(http.StatusOK, "search", results)
})
I got error: sql: statement expects 0 inputs; got 3
, so it means the placeholder didn't be parsed. Could anyone give me some idea?
I can't find out why by myself.
Please help me. Thanks.