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104 lines
2.6 KiB
104 lines
2.6 KiB
package main |
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import ( |
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"database/sql" |
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"log" |
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_ "github.com/go-sql-driver/mysql" |
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) |
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var ( |
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dbConnection = "wdmdbuser:wdmdbpass@tcp(ubodroid-2:3300)/wdmdb" |
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dbType = "mysql" |
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) |
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// Tool Funktionen |
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func CreateTyp(typ Typ) (resTyp Typ, err error) { |
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conn, err := sql.Open(dbType, dbConnection) |
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if err != nil { |
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log.Println("Error while connecting DB: ", err) |
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} |
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log.Println("Verbindung hergestellt") |
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log.Println("Name = ", typ.Bezeichnung) |
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defer conn.Close() |
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res, err := conn.Exec("INSERT INTO typ VALUES(?,?)", typ.Id, typ.Bezeichnung) |
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if err != nil { |
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log.Println("Error while executing insert statement", err) |
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} |
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lastId, err := res.LastInsertId() |
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typ.Id = uint(lastId) |
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resTyp = typ |
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return resTyp, err |
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} |
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func DeleteTyp(typId uint) (result, err error) { |
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conn, err := sql.Open(dbType, dbConnection) |
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if err != nil { |
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log.Println("Error while connecting DB: ", err) |
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} |
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log.Println("DB Verbindung hergestellt (DELETE)") |
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defer conn.Close() |
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_, err = conn.Exec("DELETE FROM typ WHERE id = ?", typId) |
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if err != nil { |
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log.Fatal("Error while executing DELETE statement", err) |
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} |
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return result, err |
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} |
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func ShowTyp() (typArray []Typ, err error) { |
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conn, err := sql.Open(dbType, dbConnection) |
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if err != nil { |
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log.Println("Error while connecting DB: ", err) |
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} |
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log.Println("DB Verbindung hergestellt (SHOW)") |
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defer conn.Close() |
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results, err := conn.Query("SELECT * FROM typ") |
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if err != nil { |
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log.Fatal("Error while executing SELECt statement", err) |
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} |
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var typ Typ |
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for results.Next() { |
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err = results.Scan(&typ.Id, &typ.Bezeichnung) |
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if err != nil { |
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log.Fatal("Error: ", err) |
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} |
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typArray = append(typArray, typ) |
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} |
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return typArray, err |
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} |
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func GetTyp(id uint) (typ Typ, err error) { |
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conn, err := sql.Open(dbType, dbConnection) |
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if err != nil { |
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log.Println("Error while connecting DB: ", err) |
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} |
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log.Println("DB Verbindung hergestellt (SHOW)") |
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defer conn.Close() |
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results, err := conn.Query("SELECT * FROM typ WHERE id=?", id) |
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if err != nil { |
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log.Fatal("Error while executing SELECt statement", err) |
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} |
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for results.Next() { |
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err = results.Scan(&typ.Id, &typ.Bezeichnung) |
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if err != nil { |
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log.Fatal("Error: ", err) |
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} |
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} |
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return typ, err |
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} |
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func UpdateTyp(typ Typ) (resTyp Typ, err error) { |
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conn, err := sql.Open(dbType, dbConnection) |
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if err != nil { |
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log.Println("Error while connecting DB: ", err) |
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} |
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log.Println("Verbindung hergestellt (UPDATE)") |
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log.Println("Name = ", typ.Bezeichnung) |
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defer conn.Close() |
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_, err = conn.Exec("UPDATE typ SET bezeichnung=? WHERE id=?", typ.Bezeichnung, typ.Id) |
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if err != nil { |
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log.Println("Error while executing insert statement", err) |
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} |
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resTyp = typ |
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return resTyp, err |
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}
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