yql/essentials/tests/sql/suites/join/mergejoin_unused_keys.sql


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/* syntax version 1 */
use plato;
pragma yt.JoinMergeTablesLimit="10";

select 

v3

from Input1 as a 
join Input2 as b on (a.k1 = b.k2)
join Input3 as c on (a.k1 = c.k3)
order by v3;