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  1. C# Driver
  2. CSHARP-4693

oDATA $matchesPattern support with LINQ3

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    • Type: Icon: Bug Bug
    • Resolution: Duplicate
    • Priority: Icon: Unknown Unknown
    • None
    • Affects Version/s: None
    • Component/s: None
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      Summary

      MongoDB.Driver.Linq.ExpressionNotSupportedException
        HResult=0x80131515
        Message=Expression not supported: (IIF((Convert($it.Gene, String) == null), null, Convert(IsMatch(Convert($it.Gene, String), "(^|\;)KIR2DL2(\;|$)", ECMAScript), Nullable`1)) == True).
        Source=MongoDB.Driver
        StackTrace: 
         於 MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToFilterTranslators.MethodTranslators.StringExpressionToRegexFilterTranslator.TranslateComparisonExpression(TranslationContext context, Expression expression, Expression leftExpression, AstComparisonFilterOperator comparisonOperator, Expression rightExpression) 在 /_/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToFilterTranslators/ExpressionTranslators/StringExpressionToRegexFilterTranslator.cs:行 305 中

      Please provide the version of the driver. If applicable, please provide the MongoDB server version and topology (standalone, replica set, or sharded cluster).

      "Microsoft.AspNetCore.OData" Version="8.0.12"

      "MongoDB.Driver" Version="2.20.0"

      MongoDB 5.0.6 Community

      How to Reproduce

      http://localhost:5163/odata/Analysis/Detail?$filter=matchesPattern(Gene,'(^|\;)KIR2DL2(\;|$)')

      Additional Background

      expression debug view
      .If ((System.String)$$it.Gene == null)

      {     null }

      .Else

      {     (System.Nullable`1[System.Boolean]).Call System.Text.RegularExpressions.Regex.IsMatch(         (System.String)$$it.Gene,         "(^|\;)KIR2DL2(\;|$)",         .Constant<System.Text.RegularExpressions.RegexOptions>(ECMAScript)) }

      == .Constant<System.Nullable`1[System.Boolean]>(True)

            Assignee:
            oleksandr.poliakov@mongodb.com Oleksandr Poliakov
            Reporter:
            fo40225@hotmail.com Ching Hsu
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              Created:
              Updated:
              Resolved: