/// <summary>
/// Translates the <paramref name="constantExpression"/> into a string representation.
/// </summary>
/// <param name="constantExpression">The <see cref="DbConstantExpression"/> to translate.</param>
/// <returns><see cref="string"/></returns>
protected override DbExpression VisitConstantExpression(DbConstantExpression constantExpression)
{
if (constantExpression.Value == null)
return ExpressionFactory.Sql("NULL");
var parameterName = string.Format(":?p{0}", Parameters.Count());
CreateParameter(parameterName, constantExpression.Value);
return ExpressionFactory.Sql(parameterName);
}
/// <summary>
/// Translates the <paramref name="constantExpression"/> into a string representation.
/// </summary>
/// <param name="constantExpression">The <see cref="DbConstantExpression"/> to translate.</param>
/// <returns><see cref="DbExpression"/></returns>
protected virtual DbExpression VisitConstantExpression(DbConstantExpression constantExpression)
{
return constantExpression;
}