method

select_value

v4.2.9 - Show latest stable - 0 notes - Class: DatabaseStatements

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select_value(arel, name = nil, binds = []) public

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# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 47
        def select_value(arel, name = nil, binds = [])
          arel, binds = binds_from_relation arel, binds
          sql = to_sql(arel, binds)
          execute_and_clear(sql, name, binds) do |result|
            result.getvalue(0, 0) if result.ntuples > 0 && result.nfields > 0
          end
        end

select_value

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