joao-r-reis commented on code in PR #1793:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1793#discussion_r1937383111
##########
session.go:
##########
@@ -1430,6 +1435,22 @@ func (q *Query) releaseAfterExecution() {
q.decRefCount()
}
+// SetHostID allows to define on which host the query should be executed.
+// If hostID is not set, then the HostSelectionPolicy will be used to pick a
host.
+// It is recommended to get host id from HostInfo.HostID(), but it is not
required.
+// It is strongly recommended to use WithContext() with this option because
+// if the specified host goes down during execution, the driver will try to
send the query to this host until it succeeds
+// which may lead to an endless execution.
+func (q *Query) SetHostID(hostID string) *Query {
+ q.hostID = hostID
Review Comment:
When I suggested the pointer I wasn't actually saying we should make the
parameter a pointer, I was saying we could make the private field a pointer so
we know when the user actually set the value or not. The parameter would still
be `string`.
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