InsertQuery   (children 2)
 Identifier post_metrics
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 6)
     Function repeat (children 1)
      ExpressionList (children 2)
       Literal \'a\'
       Function plus (children 1)
        ExpressionList (children 2)
         Function modulo (children 1)
          ExpressionList (children 2)
           Identifier number
           Literal UInt64_10
         Literal UInt64_1
     Function toString (children 1)
      ExpressionList (children 1)
       Identifier number
     Function minus (children 1)
      ExpressionList (children 2)
       Function now (children 1)
        ExpressionList
       Function toIntervalMinute (children 1)
        ExpressionList (children 1)
         Identifier number
     Function multiply (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_100
     Function multiply (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_10
     Function now (children 1)
      ExpressionList
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_100000
