diff options
Diffstat (limited to 'db/migrate/20201201192112_add_primary_key_to_elastic_search_indexed_namespaces.rb')
-rw-r--r-- | db/migrate/20201201192112_add_primary_key_to_elastic_search_indexed_namespaces.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/db/migrate/20201201192112_add_primary_key_to_elastic_search_indexed_namespaces.rb b/db/migrate/20201201192112_add_primary_key_to_elastic_search_indexed_namespaces.rb new file mode 100644 index 00000000000..610cd2828ca --- /dev/null +++ b/db/migrate/20201201192112_add_primary_key_to_elastic_search_indexed_namespaces.rb @@ -0,0 +1,38 @@ +# frozen_string_literal: true + +class AddPrimaryKeyToElasticSearchIndexedNamespaces < ActiveRecord::Migration[6.0] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + UNIQUE_INDEX_NAME = 'index_elasticsearch_indexed_namespaces_on_namespace_id' + PRIMARY_KEY_NAME = 'elasticsearch_indexed_namespaces_pkey' + + disable_ddl_transaction! + + def up + with_lock_retries do + execute(<<~SQL) + LOCK TABLE elasticsearch_indexed_namespaces IN ACCESS EXCLUSIVE MODE; + + DELETE FROM elasticsearch_indexed_namespaces + WHERE namespace_id IS NULL; + + ALTER TABLE elasticsearch_indexed_namespaces + ADD CONSTRAINT #{PRIMARY_KEY_NAME} PRIMARY KEY USING INDEX #{UNIQUE_INDEX_NAME}; + SQL + end + end + + def down + add_concurrent_index :elasticsearch_indexed_namespaces, :namespace_id, unique: true, name: UNIQUE_INDEX_NAME + + with_lock_retries do + execute(<<~SQL) + ALTER TABLE elasticsearch_indexed_namespaces + DROP CONSTRAINT #{PRIMARY_KEY_NAME}, + ALTER COLUMN namespace_id DROP NOT NULL + SQL + end + end +end |