public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
if (m_table == null)
{
throw new InvalidOperationException("INSERT must have target table.");
}
visitor.PerformBefore(this);
m_table.Traverse(visitor);
visitor.PerformOnNames(this);
if (m_columnNames != null)
{
m_columnNames.Traverse(visitor);
}
if (m_columnValues == null)
{
throw new InvalidOperationException("INSERT must have column values.");
}
visitor.PerformOnValues(this);
m_columnValues.Traverse(visitor);
visitor.PerformAfter(this);
}
public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
visitor.PerformBefore(this);
if (m_star)
{
if (m_expressionArguments != null)
{
throw new InvalidOperationException(
"Wildcard argument cannot be combined with expression.");
}
Wildcard.Value.Traverse(visitor);
}
if (m_expressionArguments != null)
{
m_expressionArguments.Traverse(visitor);
}
visitor.PerformAfter(this);
}
public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
visitor.PerformBefore(this);
m_expression.Traverse(visitor);
visitor.PerformAfter(this);
if (m_next != null)
{
m_next.Traverse(visitor);
}
}
public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
visitor.PerformBefore(this);
if (m_expression == null)
{
throw new InvalidOperationException("GROUP BY must have expression.");
}
m_expression.Traverse(visitor);
visitor.PerformOnHaving(this);
if (m_having != null)
{
m_having.Traverse(visitor);
}
visitor.PerformAfter(this);
}