Re: [DataFusion] [Discuss] Output Schema for queries with multiple relations

2021-05-19 Thread Andrew Lamb
I read the invariants doc and field output doc again and I think they all make sense to me. Thanks QP On Wed, May 19, 2021 at 3:09 AM QP Hou wrote: > Hi all, > > Following up on this. > > We have updated the output schema doc [1] and updated invariant doc > [2] for the final round of review. > >

Re: [DataFusion] [Discuss] Output Schema for queries with multiple relations

2021-05-19 Thread QP Hou
Hi all, Following up on this. We have updated the output schema doc [1] and updated invariant doc [2] for the final round of review. In the updated invariant doc, the main change we introduced compared to the previous version is as follows: We now enforce strict schema equality in all plan opti

[DataFusion] [Discuss] Output Schema for queries with multiple relations

2021-05-05 Thread Andrew Lamb
I wanted to bring some additional attention to some discussion occurring on a PR [1], specifically the proposal of how to construct output field names from queries that have multiple relations (that may have the same input field). The documents are: * Document for output schema field name semantic