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obiba / opal

OBiBa’s core database application for biobanks or epidemiological studies.
http://www.obiba.org/pages/products/opal/
GNU General Public License v3.0
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OPAL-2809: Resolve variable derivation by vector #2043

Closed ymarcon closed 5 years ago

ymarcon commented 8 years ago

Jira issue originally created by user @ymarcon:

Currently, the derivation script is evaluated for each entity, inducing a scripting engine overhead that affects the performances (in addition to limit the use of a modern JS engine (nashorn)).

Then the evaluation process should built an iteration loop and execute it only once for the vector of entities. The input are a vector of entities and a derivation script, the output is a vector of computed data points.

This functionality would allow to expose derivation methods using aggregations (for imputation purpose for instance): mean, ...

ymarcon commented 8 years ago

Comment created by @ymarcon:

See also the MAGMA-248 suggestion for improving derivation response.

stale[bot] commented 6 years ago

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

stale[bot] commented 5 years ago

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

stale[bot] commented 5 years ago

This issue has been automatically closed because no further activity occurs. Feel free to re-open it if it is still relevant.