System.Data.Common.CommandTrees.DefaultExpressionVisitor.Visit(System.Data.Common.CommandTrees.DbParameterReferenceExpression)

Here are the examples of the csharp api class System.Data.Common.CommandTrees.DefaultExpressionVisitor.Visit(System.Data.Common.CommandTrees.DbParameterReferenceExpression) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

1 Example 7

1. Example

Project: referencesource
Source File: Validator.cs
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public override DbExpression Visit(DbParameterReferenceExpression expression)
        {
            DbExpression result = base.Visit(expression);
            if (result.ExpressionKind == DbExpressionKind.ParameterReference)
            {
                DbParameterReferenceExpression paramRef = result as DbParameterReferenceExpression;

                DbParameterReferenceExpression foundParam;
                if (this.paramMappings.TryGetValue(paramRef.ParameterName, out foundParam))
                {
                    // SQLBUDT#545720: Equivalence is not a sufficient check (consider row types for TVPs) - equality is required.
                    if (!TypeSemantics.IsEqual(paramRef.ResultType, foundParam.ResultType))
                    {
                        ThrowInvalid(Strings.Cqt_Validator_InvalidIncompatibleParameterReferences(paramRef.ParameterName));
                    }
                }
                else
                {
                    this.paramMappings.Add(paramRef.ParameterName, paramRef);
                }
            }
            return result;
        }