instance method
show_variable
Ruby on Rails 5.0.7.2
Since v3.2.22.5Signature
show_variable(name)SHOW VARIABLES LIKE ‘name’
Parameters
-
namereq
Source
# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 595
def show_variable(name)
select_value("SELECT @@#{name}", 'SCHEMA')
rescue ActiveRecord::StatementInvalid
nil
end
Defined in activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb line 595
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Defined in ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter