Oracle LIKEC query doesn't use index
|Reported by:||jtiai||Owned by:||nobody|
|Component:||Database layer (models, ORM)||Version:||master|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
It seems (not confirmed from Oracle officially) LIKEC query doesn't use index at all, you get always full table scan that is costly when number of rows starts to grow.
Like queries uses index as expected with same parameters.
Change was done when fixing #5985
Change History (18)
comment:1 Changed 6 years ago by jacob
- milestone set to 1.2
- Needs documentation unset
- Needs tests unset
- Patch needs improvement unset
- Triage Stage changed from Unreviewed to Accepted