SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function greater (children 1)
     ExpressionList (children 2)
      Function count (children 1)
       ExpressionList
      Literal UInt64_0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.zookeeper
   Function and (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier path
       Function concat (children 1)
        ExpressionList (children 3)
         Literal \'/clickhouse/tables/\'
         Function currentDatabase (children 1)
          ExpressionList
         Literal \'/test/s1/replicas/\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier name
       Function concat (children 1)
        ExpressionList (children 3)
         Literal \'replica-\'
         Function CAST (children 1)
          ExpressionList (children 2)
           Function serverUUID (children 1)
            ExpressionList
           Literal \'String\'
         Literal \'%\'
