internal override SqlExpression VisitMultiset(SqlSubSelect sms)
{
if (((((this.options & SqlMultiplexer.Options.EnableBigJoin) != SqlMultiplexer.Options.None) && !this.hasBigJoin) &&
(this.canJoin && this.isTopLevel)) && (((this.outerSelect != null) && !MultisetChecker.HasMultiset(sms.Select.Selection)) &&
BigJoinChecker.CanBigJoin(sms.Select)))
{
sms.Select = this.VisitSelect(sms.Select);
SqlAlias right = new SqlAlias(sms.Select);
SqlJoin join = new SqlJoin(SqlJoinType.OuterApply, this.outerSelect.From, right, null, sms.SourceExpression);
this.outerSelect.From = join;
this.outerSelect.OrderingType = SqlOrderingType.Always;
SqlExpression expression = (SqlExpression)SqlDuplicator.Copy(sms.Select.Selection);
SqlSelect node = (SqlSelect)SqlDuplicator.Copy(sms.Select);
SqlAlias from = new SqlAlias(node);
SqlSelect select = new SqlSelect(this.sql.Unary(SqlNodeType.Count, null, sms.SourceExpression), from, sms.SourceExpression);
select.OrderingType = SqlOrderingType.Never;
SqlExpression count = this.sql.SubSelect(SqlNodeType.ScalarSubSelect, select);
SqlJoinedCollection joineds = new SqlJoinedCollection(sms.ClrType, sms.SqlType, expression, count, sms.SourceExpression);
this.hasBigJoin = true;
return(joineds);
}
return(QueryExtractor.Extract(sms, this.parentParameters, sqlIdentity));
}
internal override SqlExpression VisitElement(SqlSubSelect elem)
{
return(QueryExtractor.Extract(elem, this.parentParameters, sqlIdentity));
}