, , SHP WKT (, QGIS -). WKT - , PostGis, SQL- PGAdmin IV .., :
SELECT *
FROM public.geom_table
WHERE column_latlng
@
POLYGON((-6.6796875 39.111328125, -29.1796875 20.478515625, -32.6953125 -10.810546875, 12.65625 -24.873046875, 32.34375 1.142578125, 21.26953125 31.201171875, 17.75390625 38.759765625, -6.6796875 39.111328125))