Catalyst TreeNode is very fundamental API, not sure what kind of hook you need. Any concrete example will be more helpful to understand your requirement.
Hao From: r7raul1...@163.com [mailto:r7raul1...@163.com] Sent: Thursday, September 17, 2015 10:54 AM To: user Subject: spark sql hook I want to modify some sql treenode before execute. I cau do this by hive hook in hive. Does spark support such hook? Any advise? ________________________________ r7raul1...@163.com<mailto:r7raul1...@163.com>
