CreateQuery aliases_test (children 3)
 Identifier aliases_test
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration date (children 1)
    Function today (children 1)
     ExpressionList
   ColumnDeclaration id (children 1)
    Function rand (children 1)
     ExpressionList
   ColumnDeclaration array (children 1)
    Literal Array_[UInt64_0, UInt64_1, UInt64_2]
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 3)
    Identifier date
    Identifier id
    Literal UInt64_1