Hello! Can you show the index that you are creating here?
Regards, -- Ilya Kasnacheev вт, 25 сент. 2018 г. в 8:23, Ray <ray...@cisco.com>: > Let's say I have two tables I want to join together. > Table a has around 10 millions of rows and it's primary key is x and y. > I have created index on field x and y for table a. > > Table b has one row and it's primary key is x and y. > The primary key for that row in table b has a correspondent row in table a > which has the same primary key. > > When I try to execute this query to join "select a.*,b.* from a inner join > b > where (a.x=b.x) and (a.y = b.y);", ti takes more than 4 seconds to show > only > one record. > I also examined the plan for that sql and confirmed the index I created is > used for this sql. > > Ideally, if we use hash join it should take less than half a second. > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >
