Thank you
r7raul1...@163.com From: Cheng, Hao Date: 2015-09-17 12:32 To: r7raul1...@163.com; user Subject: RE: RE: spark sql hook Probably a workable solution is, create your own SQLContext by extending the class HiveContext, and override the `analyzer`, and add your own rule to do the hacking. From: r7raul1...@163.com [mailto:r7raul1...@163.com] Sent: Thursday, September 17, 2015 11:08 AM To: Cheng, Hao; user Subject: Re: RE: spark sql hook Example: select * from test.table chang to select * from production.table r7raul1...@163.com From: Cheng, Hao Date: 2015-09-17 11:05 To: r7raul1...@163.com; user Subject: RE: spark sql hook 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