CreateQuery arrays_test (children 3)
 Identifier arrays_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a3 (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType UInt8
   ColumnDeclaration a4 (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType UInt32
 Storage definition (children 1)
  Function Memory