[SIG-35025] Add a nil check in snowflake driver heartbeat function (#133

) * Add a nil check in snowflake driver heartbeat function * Update heartbeat.go
sigmacomputing · May 19, 2023 · beef694 · beef694
1 parent 63c6110
commit beef694
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/heartbeat.go b/heartbeat.go
@@ -46,6 +46,9 @@ func (hc *heartbeat) start() {
 }
 
 func (hc *heartbeat) stop() {
+	if hc.shutdownChan == nil {
+		return
+	}
 	hc.shutdownChan <- true
 	close(hc.shutdownChan)
 	logger.Info("heartbeat stopped")