CreateQuery arrays_test (children 3)
 Identifier arrays_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a1 (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration a2 (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt32
 Storage definition (children 1)
  Function Memory