private static IExpression GetConditionExpression(IStatement statement, Condition condition)
{
if (condition == null)
{
throw new ArgumentNullException(nameof(condition));
}
var field = statement.GetOperandExpression(condition.Field, out _);
if (condition.Value == null)
{
return(condition.Operator switch
{
ConditionOperator.Like => Expression.Equal(field, null),
ConditionOperator.Equal => Expression.Equal(field, null),
ConditionOperator.NotEqual => Expression.NotEqual(field, null),
_ => throw new DataException($"The specified '{condition.Name}' parameter value of the type {condition.Operator} condition is null."),
});