Github user wengyanqing commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1349#discussion_r177940619
--- Diff: contrib/vexecutor/vexecutor.c ---
@@ -21,15 +21,23 @@
#include "vexecutor.h"
#include "utils/guc.h"
#include "vcheck.h"
+#include "miscadmin.h"
+#include "tuplebatch.h"
+#include "executor/nodeTableScan.h"
+#include "catalog/catquery.h"
+#include "cdb/cdbvars.h"
+#include "execVScan.h"
PG_MODULE_MAGIC;
-
+#define BATCHSIZE 1024
--- End diff --
It's better to make BATCHSIZE as GUC so that we could tune this value
easily.
---
