Exception: LowCardTables::Errors::LowCardNoUniqueIndexError

Inherits:

LowCardError

• Object
• StandardError
• LowCardError
• LowCardTables::Errors::LowCardNoUniqueIndexError

Defined in:

lib/low_card_tables/errors.rb

Overview

Raised when there is no unique index present on the low-card table across all value columns. This index is required for operation of low_card_tables; various facilities in its support for migrations (and an explicit API call) will create or remove it for you at your request, or just maintain it automatically.