the where, as a select: [{"id":4,"text":"a moth"}]
update:  {"command":"UPDATE","rows_affected":1}
delete:  {"command":"DELETE","rows_affected":1}
left:    3

deleting what is not there: {"command":"DELETE","rows_affected":0}

update with no where: {"command":"UPDATE","rows_affected":3}
  [{"text":"a dog","legs":99},{"text":"a pigeon","legs":99},{"text":"a newt","legs":99}]

create table, straight after that update: {"command":"CREATE","rows_affected":nothing}
