¿Intentó envolver alias en backqoutes?
SELECT
data.segment1 AS `type.segment1`,
data.segment2 AS `type.segment2`,
data.segment3 AS `type.segment3`
FROM something_obscure AS data
JOIN obscure_type AS type
ON data.obscure_type_id = type.id
¿Intentó envolver alias en backqoutes?
SELECT
data.segment1 AS `type.segment1`,
data.segment2 AS `type.segment2`,
data.segment3 AS `type.segment3`
FROM something_obscure AS data
JOIN obscure_type AS type
ON data.obscure_type_id = type.id