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Type: Task
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Resolution: Unresolved
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Priority: Major - P3
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None
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Affects Version/s: None
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Component/s: Querying
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Query Optimization
Class ExpressionWithPlaceholder is a pair of a MatchExpression, and a string. This is very unfortunate as it prevents this class from being processed as part of a MatchExpression tree.
Specifically this makes it very hard to implement common storage for the children of all MatchExpression classes, which in turn prevents the implementation of SERVER-54740.
This task should implement ExpressionWithPlaceholder as a subclass of MatchExpression with a single class member - boost::optional<std::string> _placeholder;
- is depended on by
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SERVER-54740 Extend flexibility to the MatchExpression walkers
- Backlog