sql行列转换

SELECT
start_dt,
MAX(CASE type_name WHEN '总的参与人数' THEN VALUE END) AS '总的参与人数',
MAX(CASE type_name WHEN '会员参与人数' THEN VALUE END) AS '会员参与人数',
MAX(CASE type_name WHEN '普免参与人数' THEN VALUE END) AS '普免参与人数',
MAX(CASE type_name WHEN '首次参与活动的用户数' THEN VALUE END) AS '首次参与活动的用户数'
FROM v_stat_daily_activity_warrior
GROUP BY start_dt