Query: improve negation simplification in SqlExpression tree

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
csharp
Domain
databases

Research direction

Start with SqlExpressionOptimizingVisitor and inspect the existing optimizations around negation expressions. The issue does not name files, tests, or specific missing cases, so first identify the encountered problems and the expected simplifications; done means the relevant negation cases are covered without changing intended query behavior.

Written by the indexing model from the issue text.

Description

area-query

SqlExpressionOptimizingVisitor performs a number of optimizations around negation expressions, but some are missing. This issue is to track the problems we encounter.

Dominant language
C#
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Forks
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Avg merge
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Merged PRs (30d)
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