public static int NextGeneratorValue(string generator)
{
try
{
return(Convert.ToInt32(SqlText.ExecuteScalar(String.Format("SELECT NEXT VALUE FOR {0} FROM RDB$DATABASE", generator))));
}
catch (Exception)
{
return(0);
}
}
public static int NextSequenceValue(string sequence)
{
try
{
return(Convert.ToInt32(SqlText.ExecuteScalar(String.Format("select {0}.nextval from dual", sequence))));
}
catch (Exception)
{
return(0);
}
}
public static object[] Execute(string text, params System.Object[] args)
{
using (SqlText sel = Create(text, args))
if (sel.Read())
{
object[] result = new object[sel.Reader.FieldCount];
sel.Reader.GetValues(result);
return(result);
}
else
{
return(null);
}
}
public static SqlText Create(string text, params System.Object[] args)
{
SqlText sel = new SqlText(text);
Match m = Regex.Match(text, String.Format("({0}\\w+)", sel.ParameterMarker));
int parameterIndex = 0;
while (m.Success)
{
sel.AddParameter(m.Value, args[parameterIndex]);
parameterIndex++;
m = m.NextMatch();
}
return(sel);
}
public static int ExecuteNonQuery(string text, params System.Object[] args)
{
using (SqlText sel = Create(text, args))
return(sel.ExecuteNonQuery());
}
public static object ExecuteScalar(string text, params System.Object[] args)
{
using (SqlText sel = Create(text, args))
return(sel.ExecuteScalar());
}