Type:
Priority:
Resolution:
Fixed
In window functions tree, embedded mtr fails like so:
./mysql-test-run --embedded t/alias.test
...
Installing system database...
==============================================================================
TEST RESULT TIME (ms) or COMMENT
--------------------------------------------------------------------------
worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019
main.alias [ fail ]
Test ended at 2016-03-31 13:23:14
CURRENT_TEST: main.alias
mysqltest: Can't initialize MySQL server
The failure comes from here
#0 my_error_register (get_errmsgs=0x555555d69448 <get_server_errmsgs()>, first=1000, last=2001) at /home/psergey/dev-git/10.2-window-funcs-r10/mysys/my_error.c:245
#1 0x0000555555d695ad in init_errmessage () at /home/psergey/dev-git/10.2-window-funcs-r10/sql/derror.cc:106
#2 0x00005555559ceaa7 in init_common_variables () at /home/psergey/dev-git/10.2-window-funcs-r10/libmysqld/../sql/mysqld.cc:4515
#3 0x00005555559d4e9b in init_embedded_server (argc=125, argv=0x5555575b1e18, groups=0x555556ab2300 <embedded_server_groups>) at /home/psergey/dev-git/10.2-window-funcs-r10/libmysqld/lib_sql.cc:559
#4 0x00005555559b9063 in mysql_server_init (argc=7, argv=0x555556ca5540 <embedded_server_args>, groups=0x555556ab2300 <embedded_server_groups>) at /home/psergey/dev-git/10.2-window-funcs-r10/libmysql/libmysql.c:181
#5 0x000055555597c7b3 in main (argc=18, argv=0x7fffffffe018) at /home/psergey/dev-git/10.2-window-funcs-r10/client/mysqltest.cc:8974
We are in
my_error_register (get_errmsgs=0x555555d69448 <get_server_errmsgs()>, first=1000, last=2001)
Trying to register server error messages with codes in [1000, 2000] range.
The problem is that error code 2000 is already used by the client error messages:
(gdb) p my_errmsgs_list->meh_next[0]
$71 = {meh_next = 0x0, get_errmsgs = 0x555555be708d <get_client_errmsgs>, meh_first = 2000, meh_last = 2061}
is part of
MDEV-6115
window functions as in the SQL standard
Closed
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Task
Critical
Discussed with sanja, he has confirmed that this issue exist. The danger of running out of error message codes was discussed by him and either monty or serg.