SSDM-9369 Fixed...

SSDM-9369 Fixed DataSetListingTest.testListExperimentDataSetsAlsoIndirectlyConnected() and DatasetListingQueryTest.testQueryForDatasetsForExperimentAndDescendentsReturnsNotNullPostRegistered() tests.

openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/datasetlister/IDatasetListingQuery.java

@@ -124,11 +124,11 @@ public interface IDatasetListingQuery extends BaseQuery, IPropertyListingQuery
             + "where expe_id = ?{1} "
             + "   or samp_id in (with recursive connected_samples as "
             + "                    (select id from samples where expe_id = ?{1} "
-            + "                     union select s.id from connected_samples as cs "
+            + "                     union all select s.id from connected_samples as cs "
             + "                                       inner join sample_relationships as sr on sr.sample_id_parent = cs.id "
             + "                                       left join samples as s on s.id = sr.sample_id_child) "
             + "                  select * from connected_samples) "
-            + "union select d.*, " + ED_COLUMNS + ", "
+            + "union all select d.*, " + ED_COLUMNS + ", "
             + " ld.id, prdq.id IS NULL as is_post_registered from connected_data as cd "
             + "                       inner join data_set_relationships as dr on dr.data_id_parent = cd.id "
             + "                       left join data as d on d.id = dr.data_id_child "