private void PostProcessDML(IRestrictableStatement statement)
{
statement.FromClause.Resolve();
var fromElement = statement.FromClause.GetFromElementsTyped()[0];
IQueryable persister = fromElement.Queryable;
// Make #@%$^#^&# sure no alias is applied to the table name
fromElement.Text = persister.TableName;
// Use the same logic as query does in order to support session filters
var joinProcessor = new JoinProcessor(this);
joinProcessor.ProcessJoins(statement);
}
void ProcessQuery(IASTNode select, IASTNode query)
{
if (log.IsDebugEnabled())
{
log.Debug("processQuery() : {0}", query.ToStringTree());
}
try {
QueryNode qn = ( QueryNode )query;
// Was there an explicit select expression?
bool explicitSelect = select != null && select.ChildCount > 0;
if (!explicitSelect)
{
// No explicit select expression; render the id and properties
// projection lists for every persister in the from clause into
// a single 'token node'.
//TODO: the only reason we need this stuff now is collection filters,
// we should get rid of derived select clause completely!
CreateSelectClauseFromFromClause(qn);
}
else
{
// Use the explicitly declared select expression; determine the
// return types indicated by each select token
UseSelectClause(select);
}
// After that, process the JOINs.
// Invoke a delegate to do the work, as this is farily complex.
JoinProcessor joinProcessor = new JoinProcessor(this);
joinProcessor.ProcessJoins(qn);
// Attach any mapping-defined "ORDER BY" fragments
foreach (FromElement fromElement in qn.FromClause.GetProjectionList())
{
if (fromElement.IsFetch && fromElement.QueryableCollection != null)
{
// Does the collection referenced by this FromElement
// specify an order-by attribute? If so, attach it to
// the query's order-by
if (fromElement.QueryableCollection.HasOrdering)
{
string orderByFragment = fromElement
.QueryableCollection
.GetSQLOrderByString(fromElement.TableAlias);
qn.GetOrderByClause().AddOrderFragment(orderByFragment);
}
if (fromElement.QueryableCollection.HasManyToManyOrdering)
{
string orderByFragment = fromElement.QueryableCollection
.GetManyToManyOrderByString(fromElement.TableAlias);
qn.GetOrderByClause().AddOrderFragment(orderByFragment);
}
}
}
}
finally
{
PopFromClause();
}
}