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WITH RECURSIVE in input table component

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Hi,

Can we do an WITH RECURSIVE querry in the input table component ?

Code:
with recursive rel_tree as (
select col1, col2...
from table
where col1 is null
UNION ALL
select col1, col2, p.level + 1, ...
from table t join rel_tree p
on t.col1 = p.col1
)
select col1, ...
from rel_tree
order by col;

I tried this but the result in my final table it isn't the same than the result of my query execution in DB.

Thanks

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