Github user xunzhang commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/796#discussion_r71460571
--- Diff: src/backend/access/external/fileam.c ---
@@ -454,6 +454,21 @@ external_stopscan(FileScanDesc scan)
}
}
+/* ----------------
+ * external_getnext_init - prepare ExternalSelectDesc struct
before external_getnext
+/* ----------------
+ */
+
+ExternalSelectDesc
+external_getnext_init(PlanState *state) {
+ ExternalSelectDesc desc = (ExternalSelectDesc)
palloc0(sizeof(ExternalSelectDescData));
--- End diff --
I just want to make sure when does `desc` object be freed?
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