Here are the examples of the csharp api class System.Data.Common.CommandTrees.DefaultExpressionVisitor.Visit(System.Data.Common.CommandTrees.DbVariableReferenceExpression) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
2 Examples
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1. Example
Project: referencesource
Source File: ViewSimplifier.cs
Source File: ViewSimplifier.cs
public override DbExpression Visit(DbVariableReferenceExpression varRef) { // if we encounter an unsubstitutued var ref, give up... if (IsOuterBindingVarRef(varRef)) { m_doomed = true; } return base.Visit(varRef); }
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2. Example
Project: referencesource
Source File: Validator.cs
Source File: Validator.cs
public override DbExpression Visit(DbVariableReferenceExpression expression) { DbExpression result = base.Visit(expression); if(result.ExpressionKind == DbExpressionKind.VariableReference) { DbVariableReferenceExpression varRef = (DbVariableReferenceExpression)result; TypeUsage foundType = null; foreach(Dictionary<string, TypeUsage> scope in this.variableScopes) { if(scope.TryGetValue(varRef.VariableName, out foundType)) { break; } } if(foundType == null) { ThrowInvalid(System.Data.Entity.Strings.Cqt_Validator_VarRefInvalid(varRef.VariableName)); } // SQLBUDT#545720: Equivalence is not a sufficient check (consider row types) - equality is required. if (!TypeSemantics.IsEqual(varRef.ResultType, foundType)) { ThrowInvalid(System.Data.Entity.Strings.Cqt_Validator_VarRefTypeMismatch(varRef.VariableName)); } } return result; }