CreateQuery t_flatten_tuple (children 3)
 Identifier t_flatten_tuple
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration t (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 3)
      NameTypePair t1 (children 1)
       DataType Nested (children 1)
        ExpressionList (children 2)
         NameTypePair a (children 1)
          DataType UInt32
         NameTypePair s (children 1)
          DataType String
      NameTypePair b (children 1)
       DataType UInt32
      NameTypePair t2 (children 1)
       DataType Tuple (children 1)
        ExpressionList (children 2)
         NameTypePair k (children 1)
          DataType String
         NameTypePair v (children 1)
          DataType UInt32
 Storage definition (children 1)
  Function Memory