diff options
| author | willnet <netwillnet@gmail.com> | 2017-08-23 16:39:42 +0900 |
|---|---|---|
| committer | willnet <netwillnet@gmail.com> | 2017-08-24 10:20:22 +0900 |
| commit | e35960f15e35b284dd909439e684eded60374414 (patch) | |
| tree | b9f001cca7e8a039caab9c7fccdeabda31d936a9 /guides | |
| parent | d1281cdc2c11ebf26a4e040b02ac1da21f2010a0 (diff) | |
| download | rails-e35960f15e35b284dd909439e684eded60374414.tar.gz rails-e35960f15e35b284dd909439e684eded60374414.tar.bz2 rails-e35960f15e35b284dd909439e684eded60374414.zip | |
[ci skip]Revert commits changing wrong place
This reverts commits 5147ab121d628f29451c654a8c312d5a3f491ffb and 391043ab04007bfd4c4c4c8e8d3308c1eae60175.
These commits looked to intend to change documents of has_many dependent options, but actually changed documents of belongs_to dependent options.
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/association_basics.md | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index bead931529..c59d0d933b 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -966,13 +966,12 @@ side of the association. Counter cache columns are added to the containing model's list of read-only attributes through `attr_readonly`. ##### `:dependent` -Controls what happens to associated objects when their owner is destroyed: +If you set the `:dependent` option to: -* `:destroy` causes the associated objects to also be destroyed. -* `:delete_all` causes the associated objects to be deleted directly from the database (callbacks are not executed). -* `:nullify` causes the foreign keys to be set to `NULL` (callbacks are not executed). -* `:restrict_with_exception` causes an exception to be raised if there are associated records. -* `:restrict_with_error` causes an error to be added to the owner if there are associated objects. +* `:destroy`, when the object is destroyed, `destroy` will be called on its +associated objects. +* `:delete`, when the object is destroyed, all its associated objects will be +deleted directly from the database without calling their `destroy` method. WARNING: You should not specify this option on a `belongs_to` association that is connected with a `has_many` association on the other class. Doing so can lead to orphaned records in your database. |