postgress查指定月份所在的:年,半年和季度
SELECT
EXTRACT(QUARTER FROM CURRENT_DATE) =EXTRACT(QUARTER FROM to_date('2025-07-01','yyyy-MM-dd')) --当前季度
SELECT
EXTRACT(year FROM CURRENT_DATE) =EXTRACT(year FROM to_date('2024-07-01','yyyy-MM-dd')) --当前年度
SELECT
CEIL(EXTRACT(MONTH FROM to_date('2025-06-01','yyyy-MM-dd')) / 6.0) AS current_half_year --当前半年