Class: Gitlab::BackgroundMigration::BackfillTimelogsNamespace

Inherits:
BatchedMigrationJob show all
Defined in:
lib/gitlab/background_migration/backfill_timelogs_namespace.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, health_context_tables, #initialize, job_arguments, job_arguments_count, operation_name, scope_to, tables_to_check_for_vacuum

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 



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# File 'lib/gitlab/background_migration/backfill_timelogs_namespace.rb', line 9

def perform
  each_sub_batch do |sub_batch|
    connection.execute(
      <<~SQL
        UPDATE "timelogs"
        SET
          "namespace_id" = "issues"."namespace_id"
        FROM
          "issues"
        WHERE
          "timelogs"."issue_id" = "issues"."id"
          AND "timelogs"."id" IN (#{sub_batch.select(:id).limit(sub_batch_size).to_sql})
      SQL
    )
    connection.execute(
      <<~SQL
        UPDATE "timelogs"
        SET
          "namespace_id" = "projects"."project_namespace_id"
        FROM
          "merge_requests" INNER JOIN "projects" ON "merge_requests"."target_project_id" = "projects"."id"
        WHERE
          "timelogs"."merge_request_id" = "merge_requests"."id"
          AND "timelogs"."id" IN (#{sub_batch.select(:id).limit(sub_batch_size).to_sql})
      SQL
    )
  end
end