比如我在DolphinDB中有下面2张表:
code=`A`B`C`D`E
totalValue=10 20 30 40 50
t1=keyedTable(`code,code,totalValue)
t2 = table(`A`C`B`D as code, 1..4 as value)
我想把t2中value加到t1中相同code的totalValue上,使得 totalValue = totalValue + t2.value,这个应该怎么处理?
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…