private static bool HasMatchInList(
DbPropertyExpression expr,
IList <DbPropertyExpression> list,
string exprBindingVariableName,
string listExpressionsBindingVariableName)
{
for (int index = 0; index < list.Count; ++index)
{
if (Sql8ExpressionRewriter.AreMatching(expr, list[index], exprBindingVariableName, listExpressionsBindingVariableName))
{
list.RemoveAt(index);
return(true);
}
}
return(false);
}
private static bool AreMatching(
DbPropertyExpression expr1,
DbPropertyExpression expr2,
string expr1BindingVariableName,
string expr2BindingVariableName)
{
if (expr1.Property.Name != expr2.Property.Name || expr1.Instance.ExpressionKind != expr2.Instance.ExpressionKind)
{
return(false);
}
if (expr1.Instance.ExpressionKind == DbExpressionKind.Property)
{
return(Sql8ExpressionRewriter.AreMatching((DbPropertyExpression)expr1.Instance, (DbPropertyExpression)expr2.Instance, expr1BindingVariableName, expr2BindingVariableName));
}
DbVariableReferenceExpression instance1 = (DbVariableReferenceExpression)expr1.Instance;
DbVariableReferenceExpression instance2 = (DbVariableReferenceExpression)expr2.Instance;
if (string.Equals(instance1.VariableName, expr1BindingVariableName, StringComparison.Ordinal))
{
return(string.Equals(instance2.VariableName, expr2BindingVariableName, StringComparison.Ordinal));
}
return(false);
}