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Make wrong migrations idempotent

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This commit is contained in:
Felipe Artur 2017-07-07 15:01:30 -03:00
parent 4e07305b27
commit b24ef9ce2a
3 changed files with 11 additions and 3 deletions
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2
db/migrate/20170707183807_add_group_id_to_milestones.rb
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@ -2,6 +2,8 @@ class AddGroupIdToMilestones < ActiveRecord::Migration
DOWNTIME = false DOWNTIME = false
def up def up
return if column_exists? :milestones, :group_id
change_column_null :milestones, :project_id, true change_column_null :milestones, :project_id, true
add_column :milestones, :group_id, :integer add_column :milestones, :group_id, :integer

2
db/migrate/20170707184243_add_group_milestone_id_indexes.rb
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@ -6,6 +6,8 @@ class AddGroupMilestoneIdIndexes < ActiveRecord::Migration
DOWNTIME = false DOWNTIME = false
def up def up
return if index_exists?(:milestones, :group_id)
add_concurrent_foreign_key :milestones, :namespaces, column: :group_id, on_delete: :cascade add_concurrent_foreign_key :milestones, :namespaces, column: :group_id, on_delete: :cascade
add_concurrent_index :milestones, :group_id add_concurrent_index :milestones, :group_id

10
db/migrate/20170707184244_remove_wrong_versions_from_schema_versions.rb
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@ -1,6 +1,10 @@
class RemoveWrongVersionsFromSchemaVersions < ActiveRecord::Migration class RemoveWrongVersionsFromSchemaVersions < ActiveRecord::Migration
def change DOWNTIME = false
execute "UPDATE schema_migrations SET version = '20170707183807' WHERE version = '20170723183807'"
execute "UPDATE schema_migrations SET version = '20170707184243' WHERE version = '20170724184243'" def up
execute("DELETE FROM schema_migrations WHERE version IN ('20170723183807', '20170724184243')")
end
def down
end end
end end