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[Sergei Golubchik <serg@xxxxxxxxxxx>]

Hi, Roberto!

On Jun 19, Roberto Spadim wrote:
> hi guys
> i'm trying to implement
> MDEV-4579<https://mariadb.atlassian.net/browse/MDEV-4579>,
> could anyone help me with parser + warning generation?
> 
> MDEV-4579 title: SQL PARSER - Add Ignore to SET SQL command
> 
> example:
> 
> SET @@some_global_variable_that_dont_exists=1
> *this cause an error*
> 
> SET
> @@some_global_variable_that_dont_exists=1,@@some_variable_that_exists_and_should_be_changed=3
> *this cause an error and don't change the second variable*
> 
> *could we implement:*
> SET *IGNORE *
> @@some_global_variable_that_dont_exists=1,@@some_variable_that_exists_and_should_be_changed=3
> *this cause an warning (first variable don't exists) and change the second
> variable*

Okay.
Look for find_sys_var function in the sql_yacc.yy. Whenever it fails,
the parsing is aborted. That's what you want to change.

Regards,
Sergei