diff options
| -rw-r--r-- | activerecord/lib/active_record/persistence.rb | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index ba2ac7908e..29d727477d 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -243,11 +243,15 @@ module ActiveRecord # # ==== Examples # - # # Insert multiple records, performing an upsert when records have duplicate ISBNs + # # Given a Unique Index on books.isbn and the following record: + # Book.create!(title: 'Rework', author: 'David', isbn: '1') + # + # # Insert multiple records, allowing new records with the same ISBN + # # as an existing record to overwrite the existing record. # # ('Eloquent Ruby' will overwrite 'Rework' because its ISBN is duplicate) # Book.upsert_all([ - # { title: 'Rework', author: 'David', isbn: '1' }, - # { title: 'Eloquent Ruby', author: 'Russ', isbn: '1' } + # { title: 'Eloquent Ruby', author: 'Russ', isbn: '1' }, + # { title: 'Clean Code', author: 'Robert', isbn: '2' } # ], # unique_by: { columns: %w[ isbn ] }) # |