/// <summary>
/// Generates the text for a Subtraction builder.
/// </summary>
/// <param name="item">The Subtraction builder to generate the text for.</param>
protected internal override void VisitSubtraction(Subtraction item)
{
visitArithmeticExpression(item, "-");
}
private object buildAdditiveOperator(MatchResult result, IProjectionItem leftHand, IProjectionItem rightHand, bool wrap)
{
MatchResult plusResult = result.Matches[SqlGrammar.AdditiveOperator.PlusOperator];
if (plusResult.IsMatch)
{
Addition addition = new Addition(leftHand, rightHand);
addition.WrapInParentheses = wrap;
return addition;
}
MatchResult minusResult = result.Matches[SqlGrammar.AdditiveOperator.MinusOperator];
if (minusResult.IsMatch)
{
Subtraction subtraction = new Subtraction(leftHand, rightHand);
subtraction.WrapInParentheses = wrap;
return subtraction;
}
throw new InvalidOperationException();
}
/// <summary>
/// Visits a Subtraction builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitSubtraction(Subtraction item)
{
}
/// <summary>
/// Visits a Subtraction builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitSubtraction(Subtraction item)
{
}