Active Record MySQL
Adapter Table
Methods
Included Modules
Instance Public methods
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.
📝 Source code
# 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
🔎 See on GitHub
enable_index(index_name)
Enables an index to be used by query optimizers.
t.enable_index(:email)
Note: only supported by MySQL
version 8.0.0 and greater, and MariaDB version 10.6.0 and greater.
📝 Source code
# File activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb, line 126
def enable_index(index_name)
@base.enable_index(name, index_name)
end
🔎 See on GitHub