Forum Discussion
Select columns displayed in visuals
Yes am using direct query storage mode. i have table A with more than 100 columns from which am selecting only 4 columns and 2 columns from another outer join table B. DAX query which power bi sends is trying to read all the columns from table A and all the columns from table B which is causing the visual exceeding million rows constraint.
Anonymous
As I said its difficult for me suggest anything without knowing the dax you wrote for those measures. My suggestion is to do basic check first
i.e. just pull the required columns both the tables and do not pull any measure and very how many columns the query is sanning and as per my knowledge it will only scan the columns you pulled.
after that enable horizontal fusion option in the preview features and then into visual include the measures and check again. Incase if the sql query is scanning the entire table then you need to otimize your dax. Hope this helps.
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Tharun
Hi - How can i reach out to you to show you the DAX query? SQL query is scanning the entire table but DAX query picks the only selected columns. we dont have horizontal fusion option.