Class: Gitlab::BackgroundMigration::BackfillIncidentManagementPendingIssueEscalationsNamespaceId

Inherits:
BatchedMigrationJob
  • Object
show all
Defined in:
lib/gitlab/background_migration/backfill_incident_management_pending_issue_escalations_namespace_id.rb

Constant Summary

Constants inherited from BatchedMigrationJob

Gitlab::BackgroundMigration::BatchedMigrationJob::DEFAULT_FEATURE_CATEGORY, Gitlab::BackgroundMigration::BatchedMigrationJob::MINIMUM_PAUSE_MS

Constants included from Database::DynamicModelHelpers

Database::DynamicModelHelpers::BATCH_SIZE

Instance Method Summary collapse

Methods inherited from BatchedMigrationJob

#batch_metrics, cursor, cursor?, cursor_columns, feature_category, #filter_batch, generic_instance, #initialize, job_arguments, job_arguments_count, operation_name, scope_to

Methods included from Database::DynamicModelHelpers

define_batchable_model, #each_batch, #each_batch_range

Constructor Details

This class inherits a constructor from Gitlab::BackgroundMigration::BatchedMigrationJob

Instance Method Details

#perform ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/gitlab/background_migration/backfill_incident_management_pending_issue_escalations_namespace_id.rb', line 10

def perform
  each_sub_batch do |relation|
    connection.execute(<<~SQL)
      WITH batched_relation AS (
        #{relation.where(namespace_id: nil).select(:id, :process_at).to_sql}
      )
      UPDATE incident_management_pending_issue_escalations
      SET namespace_id = issues.namespace_id
      FROM batched_relation
      INNER JOIN issues ON batched_relation.id = issues.id
      WHERE incident_management_pending_issue_escalations.id = batched_relation.id
        AND incident_management_pending_issue_escalations.process_at = batched_relation.process_at;
    SQL
  end
end