public FromElement CreateEntityJoin(
string entityClass,
string tableAlias,
JoinSequence joinSequence,
bool fetchFlag,
bool inFrom,
EntityType type)
{
FromElement elem = CreateJoin(entityClass, tableAlias, joinSequence, type, false);
elem.Fetch = fetchFlag;
//if (numberOfTables > 1 && _implied && !elem.UseFromFragment)
// NH Different behavior: numberOfTables was removed because an
// implicit join is an implicit join even if it not come from a
// multi-table entity
if (_implied && !elem.UseFromFragment)
{
if (Log.IsDebugEnabled)
{
Log.Debug("createEntityJoin() : Implied entity join");
}
elem.UseFromFragment = true;
}
// If this is an implied join in a FROM clause, then use ANSI-style joining, and set the
// flag on the FromElement that indicates that it was implied in the FROM clause itself.
if (_implied && inFrom)
{
joinSequence.SetUseThetaStyle(false);
elem.UseFromFragment = true;
elem.SetImpliedInFromClause(true);
}
if (elem.Walker.IsSubQuery)
{
// two conditions where we need to transform this to a theta-join syntax:
// 1) 'elem' is the "root from-element" in correlated subqueries
// 2) The DotNode.useThetaStyleImplicitJoins has been set to true
// and 'elem' represents an implicit join
if (elem.FromClause != elem.Origin.FromClause || DotNode.UseThetaStyleImplicitJoins)
{
// the "root from-element" in correlated subqueries do need this piece
elem.Type = HqlSqlWalker.FROM_FRAGMENT;
joinSequence.SetUseThetaStyle(true);
elem.UseFromFragment = false;
}
}
return(elem);
}
