I tried the example as the following:

create table a(col1);
create table b(col1, col2)

select a.*
from a inner join b using(col2)
left join b.col2 as c on (c.col1 = a.col1)

System notifies me that b is not a schema name.

So, I guess the approach that I tried to do is not acceptable by Pgsql grammar.




Is it possible to do something like:

select ...
from t1
inner join t2 ...
left join t2.colN

When t1 inner join with t2 I got unique result for t2.colN( colN's value is table name).

Can I continue to left join with the column "colN" in table t2?

Thanks




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