diff options
Diffstat (limited to 'lib/gitlab/database/partitioning/sliding_list_strategy.rb')
| -rw-r--r-- | lib/gitlab/database/partitioning/sliding_list_strategy.rb | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/gitlab/database/partitioning/sliding_list_strategy.rb b/lib/gitlab/database/partitioning/sliding_list_strategy.rb index 21b86b43ae7..e9865fb91d6 100644 --- a/lib/gitlab/database/partitioning/sliding_list_strategy.rb +++ b/lib/gitlab/database/partitioning/sliding_list_strategy.rb @@ -44,7 +44,18 @@ module Gitlab def extra_partitions possibly_extra = current_partitions[0...-1] # Never consider the most recent partition - possibly_extra.take_while { |p| detach_partition_if.call(p.value) } + extra = possibly_extra.take_while { |p| detach_partition_if.call(p.value) } + + default_value = current_default_value + if extra.any? { |p| p.value == default_value } + Gitlab::AppLogger.error(message: "Inconsistent partition detected: partition with value #{current_default_value} should not be deleted because it's used as the default value.", + partition_number: current_default_value, + table_name: model.table_name) + + extra = extra.reject { |p| p.value == default_value } + end + + extra end def after_adding_partitions @@ -64,6 +75,21 @@ module Gitlab private + def current_default_value + column_name = model.connection.quote(partitioning_key) + table_name = model.connection.quote(model.table_name) + + value = model.connection.select_value <<~SQL + SELECT columns.column_default AS default_value + FROM information_schema.columns columns + WHERE columns.column_name = #{column_name} AND columns.table_name = #{table_name} + SQL + + raise "No default value found for the #{partitioning_key} column within #{model.name}" if value.nil? + + Integer(value) + end + def ensure_partitioning_column_ignored! unless model.ignored_columns.include?(partitioning_key.to_s) raise "Add #{partitioning_key} to #{model.name}.ignored_columns to use it with SlidingListStrategy" |