CreateQuery alpha (children 3)
 Identifier alpha
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration ts (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_6
   ColumnDeclaration auid (children 1)
    DataType Int64
 Storage definition (children 3)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier auid
    Identifier ts
  Set
