giritharan
Fri May 10 2024
Dup vs clone while dealing with Active Record:
• Dup creates a new record with a blank ID, which will create a new object on the database with a new ID after hitting
• clone creates a new record with the same ID, after hitting save on the clone object this will overwrite the existing data.
• If you change some value on the above attribute and put
#dupvsclone #ruby #rails
• Dup creates a new record with a blank ID, which will create a new object on the database with a new ID after hitting
.save
.
user = User.first
user1 = user.dup
user1:
<User id: nil, name: "Rails">
• clone creates a new record with the same ID, after hitting save on the clone object this will overwrite the existing data.
user = User.first
user1 = user.clone
<User id: 1, name: "Rails">
• If you change some value on the above attribute and put
.save
it will overwrite the original obj.#dupvsclone #ruby #rails