CreateQuery polygon_dictionary_nullable_source_table (children 3)
 Identifier polygon_dictionary_nullable_source_table
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType Tuple (children 1)
           ExpressionList (children 2)
            DataType Float64
            DataType Float64
   ColumnDeclaration value (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int64
 Storage definition (children 1)
  Function TinyLog
