Class: Gitlab::BackgroundMigration::BackfillOidOnLfsObjectsProjects

Inherits:
BatchedMigrationJob show all
Defined in:
lib/gitlab/background_migration/backfill_oid_on_lfs_objects_projects.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_oid_on_lfs_objects_projects.rb', line 9

def perform
  each_sub_batch do |sub_batch|
    lfs_obj_proj_ids = sub_batch.select(:id).map(&:id).join(', ')

    connection.execute(
      <<~SQL
        UPDATE "lfs_objects_projects"
        SET
          "oid" = "lfs_objects"."oid"
        FROM
          "lfs_objects"
        WHERE
          "lfs_objects_projects"."oid" IS NULL
          AND "lfs_objects_projects"."lfs_object_id" = "lfs_objects"."id"
          AND "lfs_objects_projects"."id" IN (#{lfs_obj_proj_ids})
      SQL
    )
  end
end