public object CastOrConvertToType(ISessionInterface session, object a, SqlType otherType, bool cast)
{
switch (otherType.TypeCode)
{
case 40:
{
IClobData data = (IClobData)a;
long precision = data.Length(session);
if ((base.Precision != 0) && (precision > base.Precision))
{
if (data.NonSpaceLength(session) > base.Precision)
{
if (!cast)
{
throw Error.GetError(0xd49);
}
session.AddWarning(Error.GetError(0x3ec));
}
precision = base.Precision;
}
switch (base.TypeCode)
{
case 40:
if ((base.Precision != 0) && (precision > base.Precision))
{
return(data.GetClob(session, 0L, base.Precision));
}
return(a);
case 100:
case 1:
case 12:
if (precision > 0x7fffffffL)
{
if (!cast)
{
throw Error.GetError(0xd49);
}
precision = 0x7fffffffL;
}
a = data.GetSubString(session, 0L, (int)precision);
return(this.ConvertToTypeLimits(session, a));
}
throw Error.RuntimeError(0xc9, "CharacterType");
}
case 100:
case 1:
case 12:
{
string s = (string)a;
int length = s.Length;
if ((base.Precision != 0) && (length > base.Precision))
{
if (StringUtil.RightTrimSize(s) > base.Precision)
{
if (!cast)
{
throw Error.GetError(0xd49);
}
session.AddWarning(Error.GetError(0x3ec));
}
a = s.Substring(0, (int)base.Precision);
}
int typeCode = base.TypeCode;
if (typeCode <= 12)
{
switch (typeCode)
{
case 1:
return(this.ConvertToTypeLimits(session, a));
case 12:
return(a);
}
break;
}
if (typeCode == 40)
{
ClobDataId id1 = session.CreateClob((long)s.Length);
id1.SetString(session, 0L, s);
return(id1);
}
if (typeCode != 100)
{
break;
}
return(a);
}
case 0x457:
throw Error.GetError(0x15b9);
default:
{
string str2 = otherType.ConvertToString(a);
if ((base.Precision != 0) && (str2.Length > base.Precision))
{
throw Error.GetError(0xd49);
}
a = str2;
return(this.ConvertToTypeLimits(session, a));
}
}
throw Error.RuntimeError(0xc9, "CharacterType");
}