static string AddUnaryCondition(ISqlSyntax sqlFragmentBuilder, string input, UnarySqlOperator condition, bool hasOneItemOnly)
{
switch (condition)
{
case UnarySqlOperator.AverageFunction:
return(Func(sqlFragmentBuilder.AverageFunctionName));
case UnarySqlOperator.CountFunction:
return(Func(sqlFragmentBuilder.CountFunctionName));
case UnarySqlOperator.MaxFunction:
return(Func(sqlFragmentBuilder.MaxFunctionName));
case UnarySqlOperator.MinFunction:
return(Func(sqlFragmentBuilder.MinFunctionName));
case UnarySqlOperator.SumFunction:
return(Func(sqlFragmentBuilder.SumFunctionName));
default:
throw new InvalidOperationException($"Cannot build sql expression for expression type {condition}.");
}
string Func(string functionName) => $"{functionName}({input})";
}
public UnarySqlExpression(ISqlExpression <TElement> first, UnarySqlOperator op)
{
First = first;
Operator = op;
}
