InsertQuery   (children 2)
 Identifier test
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Identifier number
     Function toJSONString (children 1)
      ExpressionList (children 1)
       Function map (children 1)
        ExpressionList (children 8)
         Literal \'a.b.c\'
         Identifier number
         Literal \'a.b.d\'
         Function CAST (children 1)
          ExpressionList (children 2)
           Identifier number
           Literal \'UInt32\'
         Literal \'a.b.e\'
         Function concat (children 1)
          ExpressionList (children 2)
           Literal \'str_\'
           Function toString (children 1)
            ExpressionList (children 1)
             Identifier number
         Function concat (children 1)
          ExpressionList (children 2)
           Literal \'b.b._\'
           Function toString (children 1)
            ExpressionList (children 1)
             Identifier number
         Function CAST (children 1)
          ExpressionList (children 2)
           Identifier number
           Literal \'UInt32\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_25
         Literal UInt64_5
