Class: Gitlab::BackgroundMigration::BackfillNamespaceIdOfVulnerabilityReads

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

Overview

Sets the ‘namespace_id` of the existing `vulnerability_reads` records

Constant Summary collapse

UPDATE_SQL = 
<<~SQL
  UPDATE
    vulnerability_reads
  SET
    namespace_id = sub_query.namespace_id
  FROM
    (%<subquery>s) as sub_query
  WHERE
    vulnerability_reads.vulnerability_id = sub_query.vulnerability_id
SQL

Constants inherited from BatchedMigrationJob

Gitlab::BackgroundMigration::BatchedMigrationJob::DEFAULT_FEATURE_CATEGORY

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 



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# File 'lib/gitlab/background_migration/backfill_namespace_id_of_vulnerability_reads.rb', line 21

def perform
  # This allow_cross_joins_across_databases call will never be removed.
  # The definition of this migration cannot function after the decomposition
  # of the Sec database. As such, it must be finalised before the decomposition.
  Gitlab::Database.allow_cross_joins_across_databases(
    url: 'https://gitlab.com/gitlab-org/gitlab/-/merge_requests/164505'
  ) do
    each_sub_batch do |sub_batch|
      update_query = update_query_for(sub_batch)

      connection.execute(update_query)
    end
  end
end