/// <summary>
/// Initializes a new instance of <see cref="DbFunctionExpression"/> class.
/// </summary>
/// <param name="dataType">The data type.</param>
/// <param name="functionKey">The function key.</param>
/// <param name="paramList">The parameter list.</param>
public DbFunctionExpression(Type dataType, FunctionKey functionKey, IList <DbExpression> paramList)
: base(dataType)
{
functionKey.VerifyNotNull(nameof(functionKey));
paramList.VerifyNotNull(nameof(paramList));
FunctionKey = functionKey;
var readonlyCollection = paramList as ReadOnlyCollection <DbExpression>;
ParamList = readonlyCollection != null ? readonlyCollection : new ReadOnlyCollection <DbExpression>(paramList);
}
/// <summary>
/// Initializes a new instance of <see cref="DbFunctionExpression"/> class.
/// </summary>
/// <param name="dataType">The data type.</param>
/// <param name="functionKey">The function key.</param>
/// <param name="paramList">The parameter list.</param>
public DbFunctionExpression(Type dataType, FunctionKey functionKey, params DbExpression[] paramList)
: this(dataType, functionKey, (IList <DbExpression>)paramList)
{
}
/// <summary>
/// Initializes a new instance of <see cref="DbFunctionExpression"/> class.
/// </summary>
/// <param name="dataType">The data type.</param>
/// <param name="functionKey">The function key.</param>
public DbFunctionExpression(Type dataType, FunctionKey functionKey)
: this(dataType, functionKey, s_emptyParamList)
{
}
