SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Identifier ds
    Function numericIndexedVectorToMap (children 1)
     ExpressionList (children 1)
      Identifier vec
    Function numericIndexedVectorToMap (children 1)
     ExpressionList (children 1)
      Function CAST (children 1)
       ExpressionList (children 2)
        Identifier vec_str
        Literal \'AggregateFunction(groupNumericIndexedVector, UInt32, Float64)\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier vector_int32_float64
