diff options
Diffstat (limited to 'lib/gitlab/cycle_analytics/base_stage.rb')
| -rw-r--r-- | lib/gitlab/cycle_analytics/base_stage.rb | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/lib/gitlab/cycle_analytics/base_stage.rb b/lib/gitlab/cycle_analytics/base_stage.rb index cac31ea8cff..038d5a19bc4 100644 --- a/lib/gitlab/cycle_analytics/base_stage.rb +++ b/lib/gitlab/cycle_analytics/base_stage.rb @@ -21,17 +21,28 @@ module Gitlab end def median - cte_table = Arel::Table.new("cte_table_for_#{name}") + BatchLoader.for(@project.id).batch(key: name) do |project_ids, loader| + cte_table = Arel::Table.new("cte_table_for_#{name}") - # Build a `SELECT` query. We find the first of the `end_time_attrs` that isn't `NULL` (call this end_time). - # Next, we find the first of the start_time_attrs that isn't `NULL` (call this start_time). - # We compute the (end_time - start_time) interval, and give it an alias based on the current - # cycle analytics stage. - interval_query = Arel::Nodes::As.new( - cte_table, - subtract_datetimes(base_query.dup, start_time_attrs, end_time_attrs, name.to_s)) + # Build a `SELECT` query. We find the first of the `end_time_attrs` that isn't `NULL` (call this end_time). + # Next, we find the first of the start_time_attrs that isn't `NULL` (call this start_time). + # We compute the (end_time - start_time) interval, and give it an alias based on the current + # cycle analytics stage. + interval_query = Arel::Nodes::As.new(cte_table, + subtract_datetimes(stage_query(project_ids), start_time_attrs, end_time_attrs, name.to_s)) - median_datetime(cte_table, interval_query, name) + if project_ids.one? + loader.call(@project.id, median_datetime(cte_table, interval_query, name)) + else + begin + median_datetimes(cte_table, interval_query, name, :project_id)&.each do |project_id, median| + loader.call(project_id, median) + end + rescue NotSupportedError + {} + end + end + end end def name |