Hi,
My initialization for UDF is quite simple:
my_bool do_system_init(UDF_INIT *initid, UDF_ARGS
*args, char *message)
{
initid->max_length = 256;
initid->maybe_null=1;
args->arg_type[0]=STRING_RESULT;
initid->ptr = NULL;
return 0;
}
But I got:
Welcome to the MySQL monitor. Commands end with ; or
\g.
Your MySQL connection id is 13 to server version:
5.0.18-log
Type 'help;' or '\h' for help. Type '\c' to clear the
buffer.
mysql> select * from mysql.func;
+-----------+-----+-----------+----------+
| name | ret | dl | type |
+-----------+-----+-----------+----------+
| myperl | 0 | myperl.so | function |
| do_system | 2 | udf.so | function |
+-----------+-----+-----------+----------+
2 rows in set (0.00 sec)
mysql> use mysql;
Reading table information for completion of table and
column names
You can turn off this feature to get a quicker startup
with -A
Database changed
mysql> select do_system('id > /tmp/out');
ERROR 1123 (HY000): Can't initialize function
'do_system';
How can I initialize my UDF ?
Thanks
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