string ICriteriaVisitor <string> .Visit(FunctionOperator theOperator)
{
try
{
_isNeedUpper = theOperator.Operands.Any(IsNeedUpper);
var str = OracleFormatterHelper.FormatFunction(obj => Process((CriteriaOperator)obj), theOperator.OperatorType, theOperator.Operands.ToArray());
if (!string.IsNullOrEmpty(str))
{
return(str);
}
var operands = new string[theOperator.Operands.Count];
for (var i = 0; i < theOperator.Operands.Count; i++)
{
operands[i] = Process(theOperator.Operands[i]);
}
str = OracleFormatterHelper.FormatFunction(theOperator.OperatorType, operands);
if (!string.IsNullOrEmpty(str))
{
return(str);
}
return(base.VisitInternal(theOperator));
}
finally
{
_isNeedUpper = false;
}
}
string ICriteriaVisitor <string> .Visit(BinaryOperator theOperator)
{
// если левый или правый оператор нужно приводить к верхнему регистру, то приводим оба
_isNeedUpper = IsNeedUpper(theOperator.LeftOperand) || IsNeedUpper(theOperator.RightOperand);
try
{
string leftOperand = Process(theOperator.LeftOperand);
string rightOperand = Process(theOperator.RightOperand);
return(OracleFormatterHelper.FormatBinary(theOperator.OperatorType, leftOperand, rightOperand));
}
finally
{
_isNeedUpper = false;
}
}
