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author | GitLab Bot <gitlab-bot@gitlab.com> | 2021-10-06 21:12:19 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2021-10-06 21:12:19 +0300 |
commit | 30e5ae4c2b9c1674dc222e4bde0daa3f9795782e (patch) | |
tree | 9e19ad1a246e986cd3a8e3842179a972b808ccd1 /app/models/loose_foreign_keys | |
parent | 47d926e838b670f5bfeebab36ddd524f5397c5ca (diff) |
Add latest changes from gitlab-org/gitlab@master
Diffstat (limited to 'app/models/loose_foreign_keys')
-rw-r--r-- | app/models/loose_foreign_keys/deleted_record.rb | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/app/models/loose_foreign_keys/deleted_record.rb b/app/models/loose_foreign_keys/deleted_record.rb index a39d88b2e49..ca5a2800a03 100644 --- a/app/models/loose_foreign_keys/deleted_record.rb +++ b/app/models/loose_foreign_keys/deleted_record.rb @@ -2,48 +2,4 @@ class LooseForeignKeys::DeletedRecord < ApplicationRecord extend SuppressCompositePrimaryKeyWarning - include PartitionedTable - - partitioned_by :created_at, strategy: :monthly, retain_for: 3.months, retain_non_empty_partitions: true - - scope :ordered_by_primary_keys, -> { order(:created_at, :deleted_table_name, :deleted_table_primary_key_value) } - - def self.load_batch(batch_size) - ordered_by_primary_keys - .limit(batch_size) - .to_a - end - - # Because the table has composite primary keys, the delete_all or delete methods are not going to work. - # This method implements deletion that benefits from the primary key index, example: - # - # > DELETE - # > FROM "loose_foreign_keys_deleted_records" - # > WHERE (created_at, - # > deleted_table_name, - # > deleted_table_primary_key_value) IN - # > (SELECT created_at::TIMESTAMP WITH TIME ZONE, - # > deleted_table_name, - # > deleted_table_primary_key_value - # > FROM (VALUES (LIST_OF_VALUES)) AS primary_key_values (created_at, deleted_table_name, deleted_table_primary_key_value)) - def self.delete_records(records) - values = records.pluck(:created_at, :deleted_table_name, :deleted_table_primary_key_value) - - primary_keys = connection.primary_keys(table_name).join(', ') - - primary_keys_with_type_cast = [ - Arel.sql('created_at::timestamp with time zone'), - Arel.sql('deleted_table_name'), - Arel.sql('deleted_table_primary_key_value') - ] - - value_list = Arel::Nodes::ValuesList.new(values) - - # (SELECT primary keys FROM VALUES) - inner_query = Arel::SelectManager.new - inner_query.from("#{Arel::Nodes::Grouping.new([value_list]).as('primary_key_values').to_sql} (#{primary_keys})") - inner_query.projections = primary_keys_with_type_cast - - where(Arel::Nodes::Grouping.new([Arel.sql(primary_keys)]).in(inner_query)).delete_all - end end |