Hi everyone,
In the postgrs_fdw deparser code, deparseFromExprForRel() appends an alias
to the remote query based on the 'use_alias' boolean flag.
For a simple query, 'use_alias' is determined by
`bms_membership(scanrel->relids) == BMS_MULTIPLE` condition. Example:
https://github.com/postgres/post
Rajan Pandey writes:
> This seems like an extra-protection in case of joins. But it could happen
> that the join is across 2 different foreign postgres-servers (means each
> foreign server will do SCAN only, and the JOIN will happen at the upper
> layer). In that case, using aliases in the remote
