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# frozen_string_literal: true
module Gitlab
module Usage
module Metrics
module Instrumentations
class BatchedBackgroundMigrationFailedJobsMetric < DatabaseMetric
relation do
Gitlab::Database::BackgroundMigration::BatchedMigration
.joins(:batched_jobs)
.where(batched_jobs: { status: '2' })
.group(%w[table_name job_class_name])
.order(%w[table_name job_class_name])
.select(['table_name', 'job_class_name', 'COUNT(batched_jobs) AS number_of_failed_jobs'])
end
timestamp_column(:created_at)
operation :count
def value
relation.map do |batched_migration|
{
job_class_name: batched_migration.job_class_name,
table_name: batched_migration.table_name,
number_of_failed_jobs: batched_migration.number_of_failed_jobs
}
end
end
end
end
end
end
end
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