InsertQuery   (children 2)
 Identifier test
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal \'{"a" : 42}\'
     Function CAST (children 1)
      ExpressionList (children 2)
       Literal \'42\'
       Literal \'Int64\'
