Github user huor commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1320#discussion_r155131160
--- Diff: src/backend/access/external/url.c ---
@@ -2318,7 +2321,24 @@ InvokeExtProtocol(void *ptr,
extprotocol->prot_scanquals = file->u.custom.scanquals;
extprotocol->prot_last_call = last_call;
extprotocol->desc = desc;
+ extprotocol->splits = NULL;
+ if (*psplits != NULL) {
--- End diff --
check psplits itself to make sure it is not null here---
