diff options
Diffstat (limited to 'db/post_migrate/20170508170547_add_head_pipeline_for_each_merge_request.rb')
-rw-r--r-- | db/post_migrate/20170508170547_add_head_pipeline_for_each_merge_request.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/db/post_migrate/20170508170547_add_head_pipeline_for_each_merge_request.rb b/db/post_migrate/20170508170547_add_head_pipeline_for_each_merge_request.rb new file mode 100644 index 00000000000..bc3850c0c23 --- /dev/null +++ b/db/post_migrate/20170508170547_add_head_pipeline_for_each_merge_request.rb @@ -0,0 +1,25 @@ +class AddHeadPipelineForEachMergeRequest < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + def up + disable_statement_timeout + + pipelines = Arel::Table.new(:ci_pipelines) + merge_requests = Arel::Table.new(:merge_requests) + + head_id = pipelines. + project(Arel::Nodes::NamedFunction.new('max', [pipelines[:id]])). + from(pipelines). + where(pipelines[:ref].eq(merge_requests[:source_branch])). + where(pipelines[:project_id].eq(merge_requests[:source_project_id])) + + sub_query = Arel::Nodes::SqlLiteral.new(Arel::Nodes::Grouping.new(head_id).to_sql) + + update_column_in_batches(:merge_requests, :head_pipeline_id, sub_query) + end + + def down + end +end |