internal JoinExpression(SourceExpression left, SourceExpression right, JoinType joinType, Expression comparison)
: base(CompleteExpressionType.Join, null)
{
this.Left = left;
this.Right = right;
this.JoinType = joinType;
this.Comparison = comparison;
base._Columns = left.Columns.Union(right.Columns).ToList();
base._Assignments = left.Assignments.Union(right.Assignments).ToList();
}
internal void UpdateSource(SourceExpression exp)
{
this.From = exp;
}
public static JoinExpression Join(SourceExpression left, SourceExpression right, JoinType joinType, Expression comparison = null)
{
return new JoinExpression(left, right, joinType, comparison);
}
internal FromExpression(SourceExpression from)
: base(CompleteExpressionType.From, from.Type)
{
this.From = from;
}
public static FromExpression From(SourceExpression from)
{
return new FromExpression(from);
}