从dsp_subject 表查询若干记录，与其他记录‘somedesc’ 合并作为一条记录，插入到表dsp_hstry中 insert into dsp_hstry (sub_no,editer_no,edit_date,clasy,version,edit_des)
(select no,cre_no,cre_date,clasy,version,'somedesc'
from dsp_subject where no = 1);
注：语法是 insert into table1(a,b,c)(select a,b,"something" from table2)
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