Hi 1. Can you give a specific example, let us first understand your requirement exactly. Like below, to provide some fact data.
ID date name age 1 2017-05-1 carbon 21 2 2017-05-23 spark 30 ...... 2. I would like to kindly invite your team guys to participate in contributing this feature if it is confirmed by dev community. Regards Liang 2017-05-26 12:47 GMT+08:00 sunerhan1...@sina.com <sunerhan1...@sina.com>: > hello， > my team is trying to implement merge operation, > merge scenario like the following: > compare records in two tables(same structure,different amout > of records)and modify big one , > 1. if small.id=big.id and small.date<big.data then update > bigtable, > 2. if small.id not in big then insert bigtable. > our solution to this scenario is: > 1. append the smalltable into bigtable > 2. delete records from bigtable which have have the same id > and leave the one which have the biggest date in bigtable in the back > concurrently. > My question is if Apache Carbon Community has plan to implement similar > operation? > > > > sunerhan1...@sina.com >
