Just to be clear:

This is a hint, to find the real problem, this is NOT A WORKAROUND for us!


On 01/10/2017 03:53 PM, Sebastien FLAESCH wrote:
Investigating different API calls, to see if it makes a difference...

Seems that the problem is related to the read-only cursor type option!

If you comment out:

    unsigned long ct = (unsigned long) CURSOR_TYPE_READ_ONLY;
    s = mysql_stmt_attr_set(stmt, STMT_ATTR_CURSOR_TYPE, (const void *) &ct);

Then it works ...


On 01/10/2017 02:55 PM, Sebastien FLAESCH wrote:
Hi all,

I have reported this problem before, but I raise it again, since I still get 
this problem with 5.7.17

See attached code:

I want to interrupt a long running statement with CTRL-C by starting a new 
connect to make a KILL QUERY.

I am using the same technique as the mysql client code.

The difference here is that my code is using PREPARED STATEMENTS with 
mysql_stmt_prepare() etc.

Problem: After interrupting the first query with CTRL-C, the call to 
mysql_stmt_close() hangs...

Maybe I am missing some new connection or statement option...?!?

IMPORTANT: This problem appeared in a 5.7.x, same code is working fine with 
5.6(.16) !!!!

Please can someone from MySQL C API team try to reproduce and confirm?


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