diff options
Diffstat (limited to 'lib/gitlab/database/partitioning/partition_manager.rb')
| -rw-r--r-- | lib/gitlab/database/partitioning/partition_manager.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/gitlab/database/partitioning/partition_manager.rb b/lib/gitlab/database/partitioning/partition_manager.rb index aa824dfbd2f..ba6fa0cf278 100644 --- a/lib/gitlab/database/partitioning/partition_manager.rb +++ b/lib/gitlab/database/partitioning/partition_manager.rb @@ -64,6 +64,10 @@ module Gitlab # with_lock_retries starts a requires_new transaction most of the time, but not on the last iteration with_lock_retries do connection.transaction(requires_new: false) do # so we open a transaction here if not already in progress + # Partitions might not get created (IF NOT EXISTS) so explicit locking will not happen. + # This LOCK TABLE ensures to have exclusive lock as the first step. + connection.execute "LOCK TABLE #{connection.quote_table_name(model.table_name)} IN ACCESS EXCLUSIVE MODE" + partitions.each do |partition| connection.execute partition.to_sql |