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| author | Sean McGivern <sean@gitlab.com> | 2017-12-11 19:34:51 +0300 |
|---|---|---|
| committer | Sean McGivern <sean@gitlab.com> | 2017-12-11 19:34:51 +0300 |
| commit | 1ab33b15d1f1cc6ce69514e545da1348fd750771 (patch) | |
| tree | af4dab71355a5199facc7937aeb03f964e2f6d0c /rubocop/migration_helpers.rb | |
| parent | 8ff63039f1ee5f6e31a8b910e323977e7de3c634 (diff) | |
Add cop for use of remove_column
remove_column should only be used in the up (or change) step of a migration if
it's a post-deployment migration. Otherwise there will be downtime due to the
ActiveRecord column cache, which we can avoid by using the IgnorableColumn
concern in combination with a post-deployment migration.
Diffstat (limited to 'rubocop/migration_helpers.rb')
| -rw-r--r-- | rubocop/migration_helpers.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/rubocop/migration_helpers.rb b/rubocop/migration_helpers.rb index c3473771178..c066d424437 100644 --- a/rubocop/migration_helpers.rb +++ b/rubocop/migration_helpers.rb @@ -7,5 +7,11 @@ module RuboCop dirname.end_with?('db/migrate', 'db/post_migrate') end + + def in_post_deployment_migration?(node) + dirname = File.dirname(node.location.expression.source_buffer.name) + + dirname.end_with?('db/post_migrate') + end end end |