INSERT INTO "memorin"."zoned_devices_logs" ( "device_serial", "version_id", "zone_id", "lat", "long", "temp", "battery", "signal_strength" ) SELECT -- The device should not be deactivated ( SELECT "serial_number" FROM "memorin"."devices" WHERE "deactivated_at" IS NULL ORDER BY random() LIMIT 1 ), -- The version should only exist ( SELECT "id" FROM "memorin"."device_versions" ORDER BY random() LIMIT 1 ), "zone"."id" AS "zone_id", -- Latitude and Longitude should be in the boundary box of the zone random() * ("zone"."max_latitude" - "zone"."min_latitude") + "zone"."min_latitude" AS "lat", random() * ("zone"."max_longitude" - "zone"."min_longitude") + "zone"."min_longitude" AS "long", -- Temperature should be between 34 and 45 floor(random() * (45 - 34 + 1) + 34) AS "temp", -- Battery percentage should be between 0 and 100 floor(random() * (100 + 1)) AS "battery", -- Signal strength should be between 0 and 5 floor(random() * (5 + 1)) AS "signal_strength" FROM "memorin"."geographic_zones" AS "zone" ORDER BY random() LIMIT 1;