internal ColumnCondition(INumericCondition pLeft, Operator dbOperator, object pRight)
: base(pLeft, dbOperator, pRight)
{
if (pLeft == null)
{
throw new NullReferenceException("pLeft cannot be null");
}
if (pRight == null)
{
throw new NullReferenceException("pRight cannot be null");
}
}
string GetSideSql(DatabaseBase database, object cond, Parameters parameters, DbType?dbType)
{
if (cond is Condition)
{
return(GetConditionSql(database, (Condition)cond, parameters));
}
if (cond is ColumnBase)
{
return(GetColumnSql((ColumnBase)cond));
}
if (cond is QueryBuilderBase)
{
return("(" + GetSelectQuery(database, (QueryBuilderBase)cond, parameters) + ")");
}
if (!(cond is INumericCondition))
{
return(GetValue(database, cond, parameters, dbType));
}
INumericCondition numericCondition = (INumericCondition)cond;
string str;
switch (numericCondition.Operator)
{
case NumericOperator.ADD:
str = "+";
break;
case NumericOperator.SUBTRACT:
str = "-";
break;
case NumericOperator.DIVIDE:
str = "/";
break;
case NumericOperator.MULTIPLY:
str = "*";
break;
case NumericOperator.MODULO:
str = "%";
break;
default:
throw new Exception("Unknown numeric operator : '" + numericCondition.Operator.ToString());
}
return(string.Format("({0}{1}{2})",
GetSideSql(database, numericCondition.Left, parameters),
str,
GetSideSql(database, numericCondition.Right, parameters)));
}
