Minor: Add documentation about stream cancellation #8747
Merged
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Which issue does this PR close?
N/A
Rationale for this change
While discussing #8739 the behavior of stream cancellation and how to abort execution were not clear (see #8739 (comment))
It would be good to document what has been until now an implicit assumption
What changes are included in this PR?
Add documentation explaining the expecations on the stream returned from
ExecutionPlan::execute
as well as add explicit documentation on how to cancel the result of callingexecute_stream
and similar methods ("drop the stream").Are these changes tested?
Via doctests
Are there any user-facing changes?