joao-r-reis commented on code in PR #1793:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1793#discussion_r1935675379
##########
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:
I think we should check if it's a non empty string because if it's empty
then the query will be executed as if `SetHostID()` was never called which is
odd behavior. Either that or we change `q.hostID` to be `*string` so we can
check if it was actually set or not
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