public SqlString Generate()
{
if (_sql == null)
{
var gen = new SqlGenerator(_sfi, new CommonTreeNodeStream(_ast));
try
{
gen.statement();
_sql = gen.GetSQL();
if (log.IsDebugEnabled)
{
log.Debug("SQL: " + _sql);
}
}
finally
{
gen.ParseErrorHandler.ThrowQueryException();
}
_parameters = gen.GetCollectedParameters();
}
return _sql;
}
private void HandleWithFragment(FromElement fromElement, IASTNode hqlWithNode)
{
try
{
ITreeNodeStream old = input;
input = new CommonTreeNodeStream(adaptor, hqlWithNode);
IASTNode hqlSqlWithNode = (IASTNode) withClause().Tree;
input = old;
if (log.IsDebugEnabled)
{
log.Debug("handleWithFragment() : " + _printer.ShowAsString(hqlSqlWithNode, "-- with clause --"));
}
WithClauseVisitor visitor = new WithClauseVisitor(fromElement);
NodeTraverser traverser = new NodeTraverser(visitor);
traverser.TraverseDepthFirst(hqlSqlWithNode);
FromElement referencedFromElement = visitor.GetReferencedFromElement();
if (referencedFromElement != fromElement)
{
throw new InvalidWithClauseException(
"with-clause expressions did not reference from-clause element to which the with-clause was associated");
}
SqlGenerator sql = new SqlGenerator(_sessionFactoryHelper.Factory, new CommonTreeNodeStream(adaptor, hqlSqlWithNode.GetChild(0)));
sql.whereExpr();
var withClauseFragment = new SqlString("(", sql.GetSQL(), ")");
fromElement.SetWithClauseFragment(visitor.GetJoinAlias(), withClauseFragment);
}
catch (SemanticException)
{
throw;
}
catch (InvalidWithClauseException)
{
throw;
}
catch (Exception e)
{
throw new SemanticException(e.Message);
}
}
internal DefaultWriter(SqlGenerator generator)
{
this.generator = generator;
}
internal DefaultWriter(SqlGenerator generator)
{
this.generator = generator;
}