public SqlType Execute()
{
string identifier = GetIdentifier();
SqlType result;
if ( identifier == Constants.As )
{
result = null;
}
else
{
result = new SqlType( identifier );
if ( !Tokenizer.IsNextToken( Constants.OpenBracket ) )
return result;
using ( Tokenizer.ExpectBrackets() )
{
string token = CurrentToken;
ReadNextToken();
result.Max = ( String.Compare( token, "MAX", true ) == 0 );
if ( !result.Max )
{
result.Length = Int32.Parse( token );
if ( Tokenizer.TokenEquals( Constants.Comma ) )
{
result.Scale = Int32.Parse( CurrentToken );
ReadNextToken();
}
}
}
}
return result;
}
public SqlType Execute()
{
string identifier = GetIdentifier();
if (String.Equals(identifier, Constants.As, StringComparison.InvariantCultureIgnoreCase))
return null;
var result = new SqlType(identifier);
if (Tokenizer.IsNextToken(Constants.Precision))
{
result.Name = String.Format("{0} {1}", result.Name, Constants.Precision);
ReadNextToken();
}
if (!Tokenizer.IsNextToken(Constants.OpenBracket))
return result;
using (Tokenizer.ExpectBrackets())
{
string token = CurrentToken;
ReadNextToken();
result.Max = (String.Compare(token, Constants.Max, true) == 0);
if (!result.Max)
{
result.Length = Int32.Parse(token);
if (Tokenizer.TokenEquals(Constants.Comma))
{
result.Scale = Int32.Parse(CurrentToken);
ReadNextToken();
}
}
}
return result;
}
public CastExpression( Expression parent, SqlType outputType)
: this(parent)
{
OutputType = outputType;
}
