mysql把多行数据合并为一行,并且字段名自己定义

变为


SELECT policy_id,  
CASE fee_type WHEN '3' THEN before_tax_amount ELSE 0 END  before_tax_amount,
CASE fee_type WHEN '3' THEN rate ELSE 0 END  commission_rate,
CASE fee_type WHEN '3' THEN tax ELSE 0 END  tax,
CASE fee_type WHEN '3' THEN actual_amount ELSE 0 END  commission_actual_amount,
CASE fee_type WHEN '6' THEN actual_amount ELSE 0 END  agent_actual_amount,
CASE fee_type WHEN '6' THEN rate ELSE 0 END  agent_rate,
CASE fee_type WHEN '6' THEN payment_name ELSE '' END  agent_payment_name,
CASE fee_type WHEN '6' THEN pay_time ELSE '' END  agent_pay_time,
CASE fee_type WHEN '10' THEN actual_amount ELSE 0 END  leader_actual_amount,
CASE fee_type WHEN '10' THEN rate ELSE 0 END  leader_rate,
CASE fee_type WHEN '10' THEN payment_name ELSE '' END  leader_payment_name,
CASE fee_type WHEN '10' THEN pay_time ELSE '' END  leader_pay_time,
CASE fee_type WHEN '11' THEN actual_amount ELSE 0 END  individual_actual_amount,
CASE fee_type WHEN '11' THEN rate ELSE 0 END  individual_rate,
CASE fee_type WHEN '11' THEN payment_name ELSE '' END  individual_payment_name,
CASE fee_type WHEN '11' THEN pay_time ELSE '' END  individual_pay_time,
CASE fee_type WHEN '12' THEN actual_amount ELSE 0 END  car_dealer_actual_amount,
CASE fee_type WHEN '12' THEN rate ELSE 0 END  car_dealer_rate,
CASE fee_type WHEN '12' THEN payment_name ELSE '' END  car_dealer_payment_name,
CASE fee_type WHEN '12' THEN pay_time ELSE '' END  car_dealer_pay_time,
CASE fee_type WHEN '13' THEN actual_amount ELSE 0 END  community_actual_amount,
CASE fee_type WHEN '13' THEN rate ELSE 0 END  community_rate,
CASE fee_type WHEN '13' THEN payment_name ELSE '' END  community_payment_name,
CASE fee_type WHEN '13' THEN pay_time ELSE '' END  community_pay_time
FROM tbl_oper_policy_fee
GROUP BY policy_id  


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转载自blog.csdn.net/yuhui123999/article/details/78852787
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