/// <summary>
/// Returns an operation between two SELECT clauses (UNION, UNION ALL, etc.)
/// </summary>
/// <param name="selectOperator"></param>
/// <param name="selectA"></param>
/// <param name="selectB"></param>
/// <returns></returns>
public virtual SqlStatement GetLiteral(SelectOperatorType selectOperator, SqlStatement selectA, SqlStatement selectB)
{
switch (selectOperator)
{
case SelectOperatorType.Union:
return GetLiteralUnion(selectA, selectB);
case SelectOperatorType.UnionAll:
return GetLiteralUnionAll(selectA, selectB);
case SelectOperatorType.Intersection:
return GetLiteralIntersect(selectA, selectB);
case SelectOperatorType.Exception:
return GetLiteralExcept(selectA, selectB);
default:
throw new ArgumentOutOfRangeException(selectOperator.ToString());
}
}
