disable_index(index_name) — ActiveRecord::ConnectionAdapters::MySQL::Table

disable_index(index_name)

Disables an index not to be used by query optimizers.

t.disable_index(:email)

Note: only supported by MySQL version 8.0.0 and greater, and MariaDB version 10.6.0 and greater.

See connection.disable_index

Parameters

index_name req

Source

# File activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb, line 137
        def disable_index(index_name)
          @base.disable_index(name, index_name)
        end

Defined in activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb line 137 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::MySQL::Table

Signature

Parameters