set catalog description as name if catalog description is null

Signed-off-by: dbulahov <[email protected]>

Author: dbulahov

xmla/bridge/src/main/java/org/eclipse/daanse/olap/xmla/bridge/execute/DiscoveryResponseConvertor.java

@@ -182,7 +182,7 @@ public static RowSetR dbSchemaCatalogsResponseRowToRowSet(List<DbSchemaCatalogsR
                 r.catalogName().ifPresent(
                         v -> rowSetRowItem.add(new RowSetRowItemR(CATALOG_NAME, v, Optional.of(ItemTypeEnum.STRING))));
                 r.description().ifPresent(
-                        v -> rowSetRowItem.add(new RowSetRowItemR(DESCRIPTION, v, Optional.of(ItemTypeEnum.STRING))));
+                        v -> rowSetRowItem.add(new RowSetRowItemR(DESCRIPTION, v != null ? "" : v, Optional.of(ItemTypeEnum.STRING))));
                 r.roles().ifPresent(
                         v -> rowSetRowItem.add(new RowSetRowItemR("ROLES", v, Optional.of(ItemTypeEnum.STRING))));
                 r.dateModified().ifPresent(v -> rowSetRowItem.add(

xmla/bridge/src/main/java/org/eclipse/daanse/olap/xmla/bridge/execute/OlapExecuteService.java

@@ -256,7 +256,9 @@ public StatementResponse statement(StatementRequest statementRequest, RequestMet
         }
 
         Optional<String> oCatalog = statementRequest.properties().catalog();
-
+        if (!oCatalog.isPresent() && contextsListSupplyer.getContexts() != null && contextsListSupplyer.getContexts().size() == 1) {
+            oCatalog = Optional.ofNullable(contextsListSupplyer.getContexts().get(0).getName());
+        }
         if (oCatalog.isPresent()) {
             String catalogName = oCatalog.get();
             Optional<Context<?>> oContext = contextsListSupplyer.getContexts().stream()