instance method `show_variable`

Ruby on Rails 8.1.2

Since v3.2.22.5

Available in: v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

show_variable(name)

SHOW VARIABLES LIKE ‘name’

Parameters

name req

Source

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 605
      def show_variable(name)
        query_value("SELECT @@#{name}", "SCHEMA", materialize_transactions: false, allow_retry: true)
      rescue ActiveRecord::StatementInvalid
        nil
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb line 605 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter

Signature

Parameters