/ Ruby on Rails
/
method

data_source_exists?

rails latest stable - Class: ActiveRecord::ConnectionAdapters

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.0.0.1) is shown here.

data_source_exists?(table_name)
public

No documentation available.

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 347
      def data_source_exists?(table_name)
        return false unless table_name.present?

        schema, name = extract_schema_qualified_name(table_name)

        sql = "SELECT table_name FROM information_schema.tables "
        sql << "WHERE table_schema = #{quote(schema)} AND table_name = #{quote(name)}"

        select_values(sql, 'SCHEMA').any?
      end