Re: [HACKERS] How to form a self-defined TupleTableSlot

2012-08-30 Thread Robert Haas
On Thu, Jul 26, 2012 at 11:39 PM, wrote: > Here is my task situation: > > I have a TupleTableSlot, with its own TupleDesc. Now I want to extract > several attributes to form a new TupleTableSlot, how can I define my own > TupleDesc and the ProjectionInfo? You might get more helpful advice if you

[HACKERS] How to form a self-defined TupleTableSlot

2012-07-26 Thread Chaoyong.Wang
Hi, guys. Here is my task situation: I have a TupleTableSlot, with its own TupleDesc. Now I want to extract several attributes to form a new TupleTableSlot, how can I define my own TupleDesc and the ProjectionInfo? Best.