java - MySQL CallableStatement.getObject have inconsistent behavior -

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i have following simple procedure defined within in test schema, _test_jdbc_inconsistency, in instance of mysql on development system

create procedure _test_jdbc_inconsistency.proc(in param1 boolean, out param2 boolean) begin   if (param1 null)       set param2 = null;   else     set param2 = not param1;   end if; end

but surprise, following simple test fails 

@test(dataprovider = "connectionpool") public void testjdbcinconsitencyoutparametertype(connection con) throws sqlexception, ioexception {     con.setcatalog("_test_jdbc_inconsistency");     try (callablestatement statement = con.preparecall("{call proc(?, ?)}"))     {         statement.setint("param1", 5);         statement.registeroutparameter("param2", types.integer);         statement.execute();          asserttrue(statement.getobject(2) instanceof integer);         assertequals(statement.getobject(2), 25);         asserttrue(statement.getobject("param2") instanceof integer);     } }

the inconsistency flagged on last asserttrue statement; while calling overload of callablestatement.getobject accepts parameter-index returns result of expected type (java.lang.integer), other overload accepting parameter-name returns inconsistent result of type java.lang.long. since i'm using signed integers , based on many instructions on using out parameters jdbc, 1 provided mysql documentation, process seems correct , looks inconsistent behavior.

can else confirm issue?

my environment:

  • windows 8.1 x64
  • jdk 1.8.0_45 (x64/x86)
  • mysql connector/j 5.1.34
  • mysql server 5.6.24
  • testng 6.9.5

since there have been no comment or response, reported mysql bug database , it's been accepted , verified bug. here link issue interested:

https://bugs.mysql.com/?id=77766


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