public ODAColumns NullDefault(ODAColumns Col, object DefVal)
{
Dictionary <ODAColumns, object> WhenThen = new Dictionary <ODAColumns, object>();
WhenThen.Add(Col.IsNull, DefVal);
return(this.CaseWhen(WhenThen, Col));
}
public ODAColumns NotIn(ODACmd Cmd, ODAColumns Col)
{
if (Cmd == null || System.Object.ReferenceEquals(Col, null))
{
throw new ODAException(20014, "Cmd and Col Args Can't be null");
}
_InColumn = Col;
_InCmd = Cmd;
return(SetCondition(CmdConditionSymbol.NOTIN, null));
}
/// <summary>
/// 查询语句 case 函数
/// </summary>
/// <param name="CaseColumn">用作比对的字段</param>
/// <param name="WhenThen">当case字段为key值时，则使用value值</param>
/// <param name="ElseVal">所有WhenThen的key值都不满足时，使用ElseVal值</param>
/// <returns></returns>
public ODAColumns Case(ODAColumns CaseColumn, Dictionary <object, object> WhenThen, object ElseVal)
{
if (WhenThen == null)
{
throw new ODAException(40001, "Param WhenThen can not be NULL");
}
_CaseCol = CaseColumn;
_CaseThen = WhenThen;
_CaseElseVal = ElseVal;
_FuncType = Func.Case;
_FuncName = "";
return(this);
}
public ODAColumns Decode(ODAColumns Col, object DefVal, params object[] KeyValue)
{
if (KeyValue == null || KeyValue.Length % 2 != 0)
{
throw new ODAException(40003, "Decode Method ,params [KeyValue] duable case ");
}
Dictionary <object, object> TrueVale = new Dictionary <object, object>();
for (int i = 0; i < KeyValue.Length; i += 2)
{
TrueVale.Add(KeyValue[i], KeyValue[i + 1]);
}
return(this.Case(Col, TrueVale, DefVal));
}