CreateQuery txn_counters (children 3)
 Identifier txn_counters
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration n (children 1)
    DataType Int64
   ColumnDeclaration creation_tid (children 1)
    Function transactionID (children 1)
     ExpressionList
 Storage definition (children 3)
  Function MergeTree
  Identifier n
  Set