SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier number
     Function getSettingOrDefault (children 1)
      ExpressionList (children 2)
       Literal \'custom_e\'
       Literal UInt64_5
