Opened 12 years ago
Closed 12 years ago
#2213 closed enhancement (fixed)
Support configurable GwsQueryEngine fallback
| Reported by: | jng | Owned by: | |
|---|---|---|---|
| Priority: | medium | Milestone: | 2.5 |
| Component: | Feature Service | Version: | |
| Severity: | major | Keywords: | |
| Cc: | External ID: |
Description
We implemented data-store level join optimizations as part of RFC123 for feature joins between classes from within the same data store.
However, there may be some existing cases where the new behavior has does not fully cover. While such cases should be identified and addressed as soon as possible, we should give users the ability to fallback to the old GwsQueryEngine behaviour if so desired.
We'll add a new serverconfig.ini flag (UseFdoJoinOptimization) to control this behavior.
And actually, due to fixing #1888 falling back to GwsQueryEngine will only be slightly slower in most cases where the datastore-level join optimization is currently being used.
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Fixed trunk (r7356) and 2.5 (r7349)