Re: [HACKERS] how is a query passed between a coordinator and a datanode

2015-06-23 Thread Robert Haas
On Tue, Jun 23, 2015 at 5:07 AM, Rui Hai Jiang wrote: > I'm trying to figure out how a query and its result is passed between a > coordinator and a datanode. I know there are many messages passed between > them to finish a query. > > > I did a test against the coordinator by adding a row to a ta

[HACKERS] how is a query passed between a coordinator and a datanode

2015-06-23 Thread Rui Hai Jiang
Hello, I'm trying to figure out how a query and its result is passed between a coordinator and a datanode. I know there are many messages passed between them to finish a query. I did a test against the coordinator by adding a row to a table and the sql was, insert into hg1(id, name) values