public override string ToString()
{
if (ToStringUseExpression)
{
return($"SqlExpression.Field({ColumnName.Quoted()}{(Table != null ? ", " + Table.ToString() : string.Empty)})");
}
else
{
if (Table == null && ColumnAlias.HasValue())
{
return($"SqlExpression.Field({ColumnName.Quoted()}){(ColumnAlias.HasValue() ? ", " + ColumnAlias.Quoted() : string.Empty)}");
}
else
{
return($"{ColumnName.Quoted()}{(Table != null ? ", " + Table.ToString() : string.Empty)}{(ColumnAlias.HasValue() ? ", " + ColumnAlias.Quoted() : string.Empty)}");
}
}
}
public override string ToString()
{
string tmpColumnName = ColumnName.Quoted();
string fieldExpression;
if (!tmpColumnName.HasValue()) // A literal may have been used
{
int intLiteral;
if (int.TryParse(Convert.ToString(Value), out intLiteral))
{
fieldExpression = $"SqlExpression.Number({Value})";
}
else
{
fieldExpression = $"SqlExpression.String({Value.ToString().Quoted()})";
}
}
else
{
fieldExpression = $"SqlExpression.Field({ColumnName.Quoted()}{(Table != null ? ", " + Table.ToString() : string.Empty)})";
}
if (ToStringUseExpression)
{
return($"SqlExpression.Function(SqlAggregationFunction.{Function.ToString()}, {fieldExpression})");
}
else
{
if (!ColumnAlias.HasValue())
{
ColumnAlias = "col" + GetNextID();
}
if (Table == null)
{
return($"SqlExpression.Function(SqlAggregationFunction.{Function.ToString()}, {fieldExpression}){(ColumnAlias.HasValue() ? ", " + ColumnAlias.Quoted() : string.Empty)}");
}
else
{
return($"{ColumnName.Quoted()}{(Table != null ? ", " + Table.ToString() : string.Empty)}{(ColumnAlias.HasValue() ? ", " + ColumnAlias.Quoted() : string.Empty)}, SqlAggregationFunction.{Function.ToString()}");
}
}
}
public override string ToString()
{
return($"SqlExpression.Parameter({ColumnName.Quoted()})");
}