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Diffstat (limited to 'lib/gitlab/database/migration_helpers.rb')
-rw-r--r-- | lib/gitlab/database/migration_helpers.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/gitlab/database/migration_helpers.rb b/lib/gitlab/database/migration_helpers.rb index 60cce9c6d9e..0643c56db9b 100644 --- a/lib/gitlab/database/migration_helpers.rb +++ b/lib/gitlab/database/migration_helpers.rb @@ -222,6 +222,12 @@ module Gitlab # # rubocop: disable Metrics/AbcSize def update_column_in_batches(table, column, value) + if transaction_open? + raise 'update_column_in_batches can not be run inside a transaction, ' \ + 'you can disable transactions by calling disable_ddl_transaction! ' \ + 'in the body of your migration class' + end + table = Arel::Table.new(table) count_arel = table.project(Arel.star.count.as('count')) |