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Improve Painless compilation performance for nested conditionals #52056

Merged
merged 2 commits into from
Feb 7, 2020
Merged

Improve Painless compilation performance for nested conditionals #52056

merged 2 commits into from
Feb 7, 2020

Commits on Feb 7, 2020

  1. Improve Painless compilation performance for nested conditionals 

    This PR changes how conditional expression is handled in `PainlessParser`
in a way that avoids the need for backtracking, which led to exponential
compilation times in case of nested conditionals.

The test was added ensures that we can compile deeply nested conditionals.
    @probakowski
    probakowski committed Feb 7, 2020
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  2. Merge branch 'master' into painless-ternary-fix

    @elasticmachine
    elasticmachine committed Feb 7, 2020
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