摘要： max(case when CASE ltrim(ps.SIZE) WHEN '4.5' THEN ps.PairPerCarton END is null then null else ps.PairPerCarton end ) AS [4.5], max(case when CASE ltrim(ps.SIZE) WHEN '5' THEN ps.PairPerCarton END is null then null else ps.PairPerCarton end ) AS [5], 阅读全文