[IMPALA-5923] We're printing a binary ID in ChildQuery::Cancel()

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 2.11.0
• Fix Version/s: Impala 2.11.0
• Component/s: Backend
• Labels: newbie ramp-up
• Target Version: Impala 2.11.0
• Epic Color: ghx-label-3
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 12/Sep/17 18:59
• Updated: 16/Oct/17 16:32
• Resolved: 16/Oct/17 16:32

Description

We should not print a binary ID in ChildQuery::Cancel().

I0912 10:07:00.892400  1184 child-query.cc:131] Cancelling and closing child query with operation id: kգz^7M<F7>^@^@^@^@<D9>^]l<B7>

123 void ChildQuery::Cancel() {
124   // Do not hold lock_ while calling into parent_server_ to avoid deadlock.
125   {
126     lock_guard<mutex> l(lock_);
127     is_cancelled_ = true;
128     if (!is_running_) return;
129     is_running_ = false;
130   }
131   VLOG_QUERY << "Cancelling and closing child query with operation id: "
132              << hs2_handle_.operationId.guid;