CreateQuery group_by_all (children 3)
 Identifier group_by_all
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration b (children 1)
    DataType int
   ColumnDeclaration c (children 1)
    DataType int
 Storage definition (children 1)
  Function Memory