/// <summary>
/// Adds the setter to the update statement.
/// </summary>
/// <param name="setter">The setter to add.</param>
public void AddSetter(Setter setter)
{
if (setter == null)
{
throw new ArgumentNullException("setter");
}
_setters.Add(setter);
}
/// <summary>
/// Generates the text for a Setter builder.
/// </summary>
/// <param name="item">The Setter builder to generate the text for.</param>
protected internal override void VisitSetter(Setter item)
{
IVisitableBuilder column = item.Column;
column.Accept(forSubCommand());
writer.Write(" = ");
item.Value.Accept(forSubCommand());
}
/// <summary>
/// Visits a Setter builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitSetter(Setter item)
{
}
/// <summary>
/// Removes the setter from the update statement.
/// </summary>
/// <param name="setter">The setter to remove.</param>
/// <returns>True if the setter is removed; otherwise, false.</returns>
public bool RemoveSetter(Setter setter)
{
if (setter == null)
{
throw new ArgumentNullException("setter");
}
return _setters.Remove(setter);
}
private Setter buildSetter(MatchResult result)
{
MatchResult columnResult = result.Matches[SqlGrammar.Setter.Column];
Column column = buildColumn(columnResult);
MatchResult valueResult = result.Matches[SqlGrammar.Setter.Value];
IProjectionItem value = (IProjectionItem)buildArithmeticItem(valueResult);
Setter setter = new Setter(column, value);
return setter;
}
/// <summary>
/// Visits a Setter builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitSetter(Setter item)
{
}
