Issue: A select for update subquery in having clause
resulted deadlock and its transaction was rolled back
by innodb. val_XXX interfaces do not handle errors and
it do not propogate errors to its caller. sub_select
did not see this error when it called
evaluate_join_record and later made a call to innodb.
As transaction is rolled back innodb asserted.

Fix: Now evaluate_join_record checks if there is any
error reported and then return the same to its caller.