select * from member_wallet_coin where member_id = #{memberId} and wallet_code = #{walletCode} select * from td_coin_wallet where address=#{address} and symbol=#{symbol} update td_coin_wallet set available_balance=available_balance+#{money} where address=#{address} update td_coin_wallet set available_balance=available_balance+#{money} where mem_id=#{memberId} and symbol ='USDT' select member_id, MAX(case wallet_code when 'USDT' then available_balance else 0 end) usdt, MAX(case wallet_code when 'RFNC' then available_balance else 0 end) rfnc from member_wallet_coin where member_id=#{memberId}