docs: Table VIEW_ROUTINE_USAGE() {
  
          Table t = sysTables[VIEW_ROUTINE_USAGE];
  
          if (t == null) {
              t = createBlankTable(sysTableHsqlNames[VIEW_ROUTINE_USAGE]);
  
              addColumn(t, "VIEW_CATALOG", SQL_IDENTIFIER);
              addColumn(t, "VIEW_SCHEMA", SQL_IDENTIFIER);
              addColumn(t, "VIEW_NAME", SQL_IDENTIFIER);
              addColumn(t, "SPECIFIC_CATALOG", SQL_IDENTIFIER);
              addColumn(t, "SPECIFIC_SCHEMA", SQL_IDENTIFIER);
              addColumn(t, "SPECIFIC_NAME", SQL_IDENTIFIER);
  
              HsqlName name = HsqlNameManager.newInfoSchemaObjectName(
                  sysTableHsqlNames[VIEW_ROUTINE_USAGE].name, false,
                  SchemaObject.INDEX);
  
              t.createPrimaryKey(name, new int[] {
                  0, 1, 2, 3, 4, 5
              }, false);
  
              return t;
          }
  
          PersistentStore store = database.persistentStoreCollection.getStore(t);
  
          // Intermediate holders
          Iterator tables;
          Table    table;
          Object[] row;
  
          // Column number mappings
          final int view_catalog     = 0;
          final int view_schema      = 1;
          final int view_name        = 2;
          final int specific_catalog = 3;
          final int specific_schema  = 4;
          final int specific_name    = 5;
  
          // Initialization
          tables =
              database.schemaManager.databaseObjectIterator(SchemaObject.TABLE);
  
          // Do it.
          while (tables.hasNext()) {
              table = (Table) tables.next();
  
              if (table.isView()
                      && session.getGrantee().isFullyAccessibleByRole(table)) {
  
                  // $FALL-THROUGH$
              } else {
                  continue;
              }
  
              OrderedHashSet set = table.getReferences();
  
              for (int i = 0; i < set.size(); i++) {
                  HsqlName refName = (HsqlName) set.get(i);
  
                  if (!session.getGrantee().isFullyAccessibleByRole(refName)) {
                      continue;
                  }
  
                  row                   = t.getEmptyRowData();
                  row[view_catalog]     = database.getCatalogName().name;
                  row[view_schema]      = table.getSchemaName().name;
                  row[view_name]        = table.getName().name;
                  row[specific_catalog] = database.getCatalogName().name;
                  row[specific_schema]  = refName.schema.name;
                  row[specific_name]    = refName.name;
  
                  try {
                      t.insertSys(store, row);
                  } catch (HsqlException e) {}
              }
          }
  
          return t;
      }