ByteSlice Conv_String(ByteSlice value, int ResultSize, DbFunctionTools tools)
{
mstring x = tools.GetString(value);
x = x.ToUpperM();
DbValue v = tools.AllocValue(x, ResultSize);
return(v.Eval());
}
public static DbValue UPPER(DbFunctionTools tools, DbFunctionArguments args)
{
string FunctionName = "UPPER";
args.EnsureCount(FunctionName, 1);
DbType arg0type;
ByteSlice arg0 = args[0].Eval(out arg0type);
if (Types.IsNullValue(arg0))
{
return(tools.AllocNullValue()); // Give a null, take a null.
}
if (arg0type.ID != DbTypeID.CHARS)
{
args.Expected(FunctionName, 0, "input CHAR(n), got " + arg0type.Name.ToUpper());
}
mstring x = tools.GetString(arg0);
mstring upper = x.ToUpperM();
return(tools.AllocValue(upper));
}
