CreateQuery Bin_at_test (children 3)
 Identifier Bin_at_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration Date (children 1)
    DataType DateTime (children 1)
     ExpressionList (children 1)
      Literal \'UTC\'
   ColumnDeclaration Num (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType UInt8
 Storage definition (children 1)
  Function Memory