diff options
Diffstat (limited to 'lib/gitlab/database/schema_cache_with_renamed_table.rb')
-rw-r--r-- | lib/gitlab/database/schema_cache_with_renamed_table.rb | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/gitlab/database/schema_cache_with_renamed_table.rb b/lib/gitlab/database/schema_cache_with_renamed_table.rb new file mode 100644 index 00000000000..28123edd708 --- /dev/null +++ b/lib/gitlab/database/schema_cache_with_renamed_table.rb @@ -0,0 +1,55 @@ +# frozen_string_literal: true + +module Gitlab + module Database + module SchemaCacheWithRenamedTable + # Override methods in ActiveRecord::ConnectionAdapters::SchemaCache + + def clear! + super + + clear_renamed_tables_cache! + end + + def clear_data_source_cache!(name) + super(name) + + clear_renamed_tables_cache! + end + + def primary_keys(table_name) + super(underlying_table(table_name)) + end + + def columns(table_name) + super(underlying_table(table_name)) + end + + def columns_hash(table_name) + super(underlying_table(table_name)) + end + + def indexes(table_name) + super(underlying_table(table_name)) + end + + private + + def underlying_table(table_name) + renamed_tables_cache.fetch(table_name, table_name) + end + + def renamed_tables_cache + @renamed_tables ||= begin + Gitlab::Database::TABLES_TO_BE_RENAMED.select do |old_name, new_name| + ActiveRecord::Base.connection.view_exists?(old_name) + end + end + end + + def clear_renamed_tables_cache! + @renamed_tables = nil # rubocop:disable Gitlab/ModuleWithInstanceVariables + end + end + end +end |