How to use

Selection$SimpleSelection

in

org.apache.cassandra.cql3.selection

public static Selection wildcard(CFMetaData cfm)
{
  List<ColumnDefinition> all = new ArrayList<>(cfm.allColumns().size());
  Iterators.addAll(all, cfm.allColumnsInSelectOrder());
  return new SimpleSelection(cfm, all, true);
}

  @Override
  public String toCQLString() 
  {
    return getColumns().stream().map(c -> ColumnIdentifier.maybeQuote(c.name.toString())).collect(Collectors.joining(", "));
  }
}

public static Selection forColumns(CFMetaData cfm, List<ColumnDefinition> columns)
{
  return new SimpleSelection(cfm, columns, false);
}

public static Selection fromSelectors(CFMetaData cfm, List<RawSelector> rawSelectors, VariableSpecifications boundNames, boolean hasGroupBy)
{
  List<ColumnDefinition> defs = new ArrayList<>();
  SelectorFactories factories =
      SelectorFactories.createFactoriesAndCollectColumnDefinitions(RawSelector.toSelectables(rawSelectors, cfm), null, cfm, defs, boundNames);
  SelectionColumnMapping mapping = collectColumnMappings(cfm, rawSelectors, factories);
  return (processesSelection(rawSelectors) || rawSelectors.size() != defs.size() || hasGroupBy)
      ? new SelectionWithProcessing(cfm, defs, mapping, factories)
      : new SimpleSelection(cfm, defs, mapping, false);
}

public static Selection fromSelectors(CFMetaData cfm, List<RawSelector> rawSelectors, VariableSpecifications boundNames, boolean hasGroupBy)
{
  List<ColumnDefinition> defs = new ArrayList<>();
  SelectorFactories factories =
      SelectorFactories.createFactoriesAndCollectColumnDefinitions(RawSelector.toSelectables(rawSelectors, cfm), null, cfm, defs, boundNames);
  SelectionColumnMapping mapping = collectColumnMappings(cfm, rawSelectors, factories);
  return (processesSelection(rawSelectors) || rawSelectors.size() != defs.size() || hasGroupBy)
      ? new SelectionWithProcessing(cfm, defs, mapping, factories)
      : new SimpleSelection(cfm, defs, mapping, false);
}

public static Selection wildcard(CFMetaData cfm)
{
  List<ColumnDefinition> all = new ArrayList<>(cfm.allColumns().size());
  Iterators.addAll(all, cfm.allColumnsInSelectOrder());
  return new SimpleSelection(cfm, all, true);
}

public static Selection wildcard(CFMetaData cfm)
{
  List<ColumnDefinition> all = new ArrayList<>(cfm.allColumns().size());
  Iterators.addAll(all, cfm.allColumnsInSelectOrder());
  return new SimpleSelection(cfm, all, true);
}

public static Selection forColumns(CFMetaData cfm, List<ColumnDefinition> columns)
{
  return new SimpleSelection(cfm, columns, false);
}

public static Selection fromSelectors(CFMetaData cfm, List<RawSelector> rawSelectors, VariableSpecifications boundNames, boolean hasGroupBy)
{
  List<ColumnDefinition> defs = new ArrayList<>();
  SelectorFactories factories =
      SelectorFactories.createFactoriesAndCollectColumnDefinitions(RawSelector.toSelectables(rawSelectors, cfm), null, cfm, defs, boundNames);
  SelectionColumnMapping mapping = collectColumnMappings(cfm, rawSelectors, factories);
  return (processesSelection(rawSelectors) || rawSelectors.size() != defs.size() || hasGroupBy)
      ? new SelectionWithProcessing(cfm, defs, mapping, factories)
      : new SimpleSelection(cfm, defs, mapping, false);
}

public static Selection forColumns(CFMetaData cfm, List<ColumnDefinition> columns)
{
  return new SimpleSelection(cfm, columns, false);
}