I read it many times but I'am not entirely familiar with concepts of range
table and I'am not sure to fully understant all implications.
For now I have a workaround by parsing only plan's target list and by
checking if resorigtbl is equal to oid of my table. The main drawback is
that I can't detect
Mathieu PUJOL wrote:
> I understand that I should also use varno to check which table is referenced
> by varattno. In case of Join, aggregation, etc. Sometimes I get a number or
> INNER_VAR or OUTER_VAR.
> I am lost on how i could resolve this.
> I understand that OUTER_VAR/INNER_VAR are related
Hi,
I understand that I should also use varno to check which table is
referenced by varattno. In case of Join, aggregation, etc. Sometimes I get
a number or INNER_VAR or OUTER_VAR.
I am lost on how i could resolve this.
I understand that OUTER_VAR/INNER_VAR are related to joins sub plans. Is
outer
Mathieu PUJOL wrote:
> I'am writing a foreign data wrapper. To avoid returning data for a column
> that is not used, I parse 'targetlist' and 'qual' of the Plan.
> I'am able to find Var nodes but I can't figure out how i could now if this
> node is related to a column my foreign table.
For a Var
Hello!
I'am writing a foreign data wrapper. To avoid returning data for a column
that is not used, I parse 'targetlist' and 'qual' of the Plan.
I'am able to find Var nodes but I can't figure out how i could now if this
node is related to a column my foreign table.
I guess that the field 'location'
