InsertQuery   (children 2)
 Identifier t_map_lc
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function generateRandom (children 1)
        ExpressionList (children 1)
         Literal \'id UInt64, t Tuple(m Map(LowCardinality(String), LowCardinality(String)))\'
    Literal UInt64_100000
