unql-stmt:
select-stmt:
select-core:
data-source:
compound-operator:
sorting-list:
create-collection-stmt:
drop-collection-stmt:
create-index-stmt:
drop-index-stmt:
insert-stmt:
update-stmt:
delete-stmt:
property:
expr:
begin-stmt:
commit-stmt:
rollback-stmt:
pragma-stmt:
