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Support for customizing / extending the sub-query detection logic

Description

ExpressionTreeParser.ParseNode() and ExpressionTreeParser.GetQueryOperatorExpression() use a simple heuristic for detecting if an expression represents a subquery, e.g. detecting Array.Length is hardcoded into the system. There should be an extension point similar to ExpressionTreeTransformer and NodeTypeRegistry to allow custimizing the rules for detecting a sub-query.

See also https://github.com/aspnet/EntityFramework/issues/9242#issuecomment-317288737

Assignee

Unassigned

Reporter

Michael Ketting

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Priority

Normal
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