CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType UInt64
   ColumnDeclaration v (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function ReplacingMergeTree (children 1)
   ExpressionList (children 1)
    Identifier v
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier x
    Function sipHash64 (children 1)
     ExpressionList (children 1)
      Identifier x
  Function sipHash64 (children 1)
   ExpressionList (children 1)
    Identifier x