public SqlString ToSqlString()
{
if (tableName == null)
{
throw new HibernateException("no table name defined for insert-select");
}
if (select == null)
{
throw new HibernateException("no select defined for insert-select");
}
var buf = new SqlStringBuilder(columnNames.Count + 4);
if (comment != null)
{
buf.Add("/* " + comment + " */ ");
}
buf.Add("insert into ").Add(tableName);
if (!(columnNames.Count == 0))
{
buf.Add(" (");
bool commaNeeded = false;
foreach (var columnName in columnNames)
{
if (commaNeeded)
{
buf.Add(", ");
}
buf.Add(columnName);
commaNeeded = true;
}
buf.Add(")");
}
buf.Add(" ").Add(select.ToStatementString());
return(buf.ToSqlString());
}
