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author | dineshpanda <dineshpanda92@gmail.com> | 2019-08-29 23:39:13 +0300 |
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committer | dineshpanda <dineshpanda92@gmail.com> | 2019-08-29 23:39:13 +0300 |
commit | fa6f19d1f83b68f2bb729be889ab7d66adbbedb8 (patch) | |
tree | f33896c818180909073c47075798845d6ba335e1 /doc/development | |
parent | 921d4f37230c8d6d5c097929520bed51e3679a0c (diff) |
Remove dependency on IgnorableColumn concern
Diffstat (limited to 'doc/development')
-rw-r--r-- | doc/development/what_requires_downtime.md | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/doc/development/what_requires_downtime.md b/doc/development/what_requires_downtime.md index 944bf5900c5..b9d1b95a4d7 100644 --- a/doc/development/what_requires_downtime.md +++ b/doc/development/what_requires_downtime.md @@ -45,15 +45,12 @@ rule. The first step is to ignore the column in the application code. This is necessary because Rails caches the columns and re-uses this cache in various -places. This can be done by including the `IgnorableColumn` module into the -model, followed by defining the columns to ignore. For example, to ignore +places. This can be done by defining the columns to ignore. For example, to ignore `updated_at` in the User model you'd use the following: ```ruby -class User < ActiveRecord::Base - include IgnorableColumn - - ignore_column :updated_at +class User < ApplicationRecord + self.ignored_columns = %i[updated_at] end ``` @@ -64,8 +61,7 @@ column. Both these changes should be submitted in the same merge request. Once the changes from step 1 have been released & deployed you can set up a separate merge request that removes the ignore rule. This merge request can -simply remove the `ignore_column` line, and the `include IgnorableColumn` line -if no other `ignore_column` calls remain. +simply remove the `self.ignored_columns` line. ## Renaming Columns |