InsertQuery   (children 3)
 Identifier test
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 3)
     Identifier number
     Function toJSONString (children 1)
      ExpressionList (children 1)
       Function map (children 1)
        ExpressionList (children 6)
         Literal \'a\'
         Identifier number
         Literal \'b\'
         Literal \'str\'
         Literal \'c\'
         Function array (children 1)
          ExpressionList (children 1)
           Function CAST (children 1)
            ExpressionList (children 2)
             Function toJSONString (children 1)
              ExpressionList (children 1)
               Function map (children 1)
                ExpressionList (children 2)
                 Literal \'d\'
                 Function CAST (children 1)
                  ExpressionList (children 2)
                   Identifier number
                   Literal \'UInt32\'
             Literal \'JSON\'
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier number
       Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_100
    Set
 Set
