Ability to pass extra option to Oracle DB to improve optimization of DB Query

Marc Jané Rafecas shared this idea 1 week ago
Idea Logged


We have found out that a report with a few subquerys was running too slow, even to the point of losing the connection, dependant on which filter we picked, and also in a non consistent way i.e. at some point in time it was this filter value, other time it was another value that caused this.

Investigating it, we found that Oracle 11g optimizes some Inner Join querys to some sort of cross join, but it does at it's criteria, and clearly it was doing it wrong.

There is an option you can call on views, inside of Oracle, /*+ no_merge(table) */ so it gets bypassed. The thing is that if they disable that function, it's not an official option, they might lose the licence support on the Oracle DB. So the only option is to call this each time some query is sent to the DB from YF.

We would like a way to pass this hint to Oracle: /*+ no_merge(table) */ from YF side, in the view, the reports, whatever?

Thank you,


Comments (1)


Hi Marc,

Thank you for posting your product idea, we love to hear about new ways we can make the product even better and easier to use.

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