2020-03-19 mapper .xml错误
2020-03-19 本文已影响0人
很菜的花椰菜
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group by 和 distinct
学习一下
SELECT DISTINCT trans_order_no
FROM kb_top_up_info
WHERE source_tx_no = '95501310120170530183382162' AND tx_type = 'AINQ'
#group by trans_order_no
写完语句记得要在 sql里面跑一下
