afs commented on issue #3021:
URL: https://github.com/apache/jena/issues/3021#issuecomment-2669737069
Hi @mpagni12
Looks like the optimizer is missing the best filter placement.
Could you try the following 2 patterns which add `{ }` to hint to the
optimizer:
```
. . .
WHERE{
{
BIND( reconx:vmh_Recon AS ?mnet ) # fix a model here to
focus the results
?mnet
reconx:reac/reconx:equaSource/reconx:part/reconx:spec/reconx:chem ?chem_1 .
}
?mnxm mnx:chemXref ?chem_1, ?chem_2
FILTER( STR( ?chem_1 ) < STR( ?chem_2 ))
}
. . .
```
and also
```
. . .
WHERE{
{
BIND( reconx:vmh_Recon AS ?mnet ) # fix a model here to
focus the results
?mnet
reconx:reac/reconx:equaSource/reconx:part/reconx:spec/reconx:chem ?chem_1 .
{
?mnxm mnx:chemXref ?chem_1, ?chem_2
FILTER( STR( ?chem_1 ) < STR( ?chem_2 ))
}
}
. . .
```
Andy
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
