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SELECT pm.label FROM area_point AS A
LEFT JOIN area_politmap ap ON ap.area = A.area_id
LEFT JOIN politmap pm ON pm.id=ap.politmap
WHERE
EXISTS(
SELECT p.x,p.y FROM area_point AS p
LEFT JOIN politmap pm ON pm.label='Bohemia'
LEFT JOIN area_politmap a ON a.politmap=pm.id
WHERE p.area_id=a.area AND p.x=A.x AND p.y=A.y
)
GROUP BY pm.label;
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SELECT pm.label FROM area_point AS A
LEFT JOIN area_politmap ap ON ap.area = A.area_id
LEFT JOIN politmap pm ON pm.id=ap.politmap
WHERE
EXISTS(
SELECT p.x,p.y FROM area_point AS p
LEFT JOIN politmap pmm ON pmm.label='Bohemia'
LEFT JOIN area_politmap aa ON aa.politmap=pmm.id
WHERE p.area_id=aa.area AND p.x=A.x AND p.y=A.y
)
GROUP BY pm.label;
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