Y
SELECT ... FROM (SELECT ... FROM original GROUP BY some_value) t1 LEFT JOIN LATERAL (SELECT ... FROM original WHERE some_value=t1.some_value LIMIT 1)
Size: a a a
Y
A
SELECT chtoto, votetovot FROM otsudava
LEFT JOIN LATERAL (
SELECT ewechtoto FROM ottudava
GROUP BY otetovot
ORDEER BY otovot
LIMIT 1
) votetovot ON true
A
A
Y
B
A
AZ
DL
OV
DL
K
OV
A
K
AL
K
AL
K
OV