diff options
Diffstat (limited to 'db/migrate/20210921063924_index_labels_using_varchar_pattern_ops.rb')
| -rw-r--r-- | db/migrate/20210921063924_index_labels_using_varchar_pattern_ops.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/db/migrate/20210921063924_index_labels_using_varchar_pattern_ops.rb b/db/migrate/20210921063924_index_labels_using_varchar_pattern_ops.rb new file mode 100644 index 00000000000..67975636488 --- /dev/null +++ b/db/migrate/20210921063924_index_labels_using_varchar_pattern_ops.rb @@ -0,0 +1,39 @@ +# frozen_string_literal: true + +class IndexLabelsUsingVarcharPatternOps < Gitlab::Database::Migration[1.0] + disable_ddl_transaction! + + NEW_TITLE_INDEX_NAME = 'index_labels_on_title_varchar' + NEW_PROJECT_ID_TITLE_INDEX_NAME = 'index_labels_on_project_id_and_title_varchar_unique' + NEW_GROUP_ID_TITLE_INDEX_NAME = 'index_labels_on_group_id_and_title_varchar_unique' + NEW_GROUP_ID_INDEX_NAME = 'index_labels_on_group_id' + + OLD_TITLE_INDEX_NAME = 'index_labels_on_title' + OLD_PROJECT_ID_TITLE_INDEX_NAME = 'index_labels_on_project_id_and_title_unique' + OLD_GROUP_ID_TITLE_INDEX_NAME = 'index_labels_on_group_id_and_title_unique' + OLD_GROUP_ID_PROJECT_ID_TITLE_INDEX_NAME = 'index_labels_on_group_id_and_project_id_and_title' + + def up + add_concurrent_index :labels, :title, order: { title: :varchar_pattern_ops }, name: NEW_TITLE_INDEX_NAME + add_concurrent_index :labels, [:project_id, :title], where: "labels.group_id IS NULL", unique: true, order: { title: :varchar_pattern_ops }, name: NEW_PROJECT_ID_TITLE_INDEX_NAME + add_concurrent_index :labels, [:group_id, :title], where: "labels.project_id IS NULL", unique: true, order: { title: :varchar_pattern_ops }, name: NEW_GROUP_ID_TITLE_INDEX_NAME + add_concurrent_index :labels, :group_id, name: NEW_GROUP_ID_INDEX_NAME + + remove_concurrent_index_by_name :labels, OLD_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, OLD_PROJECT_ID_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, OLD_GROUP_ID_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, OLD_GROUP_ID_PROJECT_ID_TITLE_INDEX_NAME + end + + def down + add_concurrent_index :labels, :title, name: OLD_TITLE_INDEX_NAME + add_concurrent_index :labels, [:project_id, :title], where: "labels.group_id IS NULL", unique: true, name: OLD_PROJECT_ID_TITLE_INDEX_NAME + add_concurrent_index :labels, [:group_id, :title], where: "labels.project_id IS NULL", unique: true, name: OLD_GROUP_ID_TITLE_INDEX_NAME + add_concurrent_index :labels, [:group_id, :project_id, :title], unique: true, name: OLD_GROUP_ID_PROJECT_ID_TITLE_INDEX_NAME + + remove_concurrent_index_by_name :labels, NEW_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, NEW_PROJECT_ID_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, NEW_GROUP_ID_TITLE_INDEX_NAME + remove_concurrent_index_by_name :labels, NEW_GROUP_ID_INDEX_NAME + end +end |