Re: Why Ignite SQL can not support transactional mode transaction

2018-04-25 Thread slava.koptilin
Hello, In short, Apache Ignite's SQL engine executes DML statements on top of committed data without creating a snapshot. So, in order to provide fully transactional SQL, SQL engine should be built on top of new MVCC protocol. Please take a look at the following Ignite enhancement proposal (IEP):

Re: Why Ignite SQL can not support transactional mode transaction

2018-04-24 Thread zhouxy1123
hi vkulichenko I may not express myself clearly,What I mean is that since KV storage supports transactions, why doesn't SQL support transactional transactions? Dose Transaction impact other session‘s select SQL? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Why Ignite SQL can not support transactional mode transaction

2018-04-21 Thread vkulichenko
This is being developed now, here is the ticket you can track: https://issues.apache.org/jira/browse/IGNITE-4191 -Val -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Why Ignite SQL can not support transactional mode transaction

2018-04-21 Thread zhouxy1123
hi I know that Ignite support transactional mode transaction as KV store, then why SQL not support? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/