Hi Phillip,
On Aug 16, 2005, at 11:11 AM, Philip Stoev wrote:
> As far as the usage of the parser, my ultimate goal is to enable
> Perl to
So would an interface like mod_perl for Apache be useful for you in
Perl?
Cheers,
-Brian
> manipulate the MySQL parse tree either by reconstructing the SQL
> statement
> after modifying the tree and parsing it and executing it again, or by
> directly modifying the parse tree and passing it on to be executed. I
> already have certain transformations in mind
> (http://www.stoev.org/SQLAggregates.html), which I intend to
> implement.
>
> Philip
>
>
> ----- Original Message -----
> From: "Konstantin Osipov" <konstantin@stripped>
> To: "Philip Stoev" <philip@stripped>
> Cc: <internals@stripped>
> Sent: Tuesday, August 16, 2005 1:43 PM
> Subject: Re: Question about using the MySQL SQL parser
>
>
>
>> * Philip Stoev <philip@stripped> [05/08/04 10:51]:
>>
>>
>>> I would like to ask if you think it is possible to give the SQL
>>> parser
>>>
> in
>
>>> sql_yacc.yy a Perl interface so that it can be used to produce parse
>>>
> trees
>
>>> for statements fed directly into it. The rationale of this is
>>> that such
>>>
> a
>
>>> parser would be almost self-maintaining since it will always use
>>> the SQL
>>> schema and parsing code from the most recent MySQL version.
>>>
>>> The way I see it, one can set up a fake TID object (mabe even
>>> fake the
>>>
> IO)
>
>>> and call mysql_stmt_prepare directly and then reap the results
>>> without
>>>
> any
>
>>> changes to the actual MySQL code.
>>>
>>> However this soon turns into a linkage nightmare. In my humble
>>> opinion
>>> mysql_stmt_prepare ultimately depends on variables declared in
>>>
> mysqld.cc,
>
>>> which in turn has a main() function that I do not really want to
>>> bring
>>>
> in.
>
>>>
>>> Any pointers would be much appreciated, including links to other
>>>
> projects
>
>>> that attempt to reuse portions of MySQL's code base. Please
>>> accept my
>>> apologies if all this is complete nonsense.
>>>
>>
>> Could you elaborate more on the goal the project?
>> What do you need the parse trees for?
>>
>> --
>> Konstantin Osipov, Software Developer
>> MySQL AB, www.mysql.com
>>
>>
>>
>
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--
_______________________________________________________
Brian "Krow" Aker, brian@stripped
Seattle, Washington
http://krow.net/
http://askbrian.org/
_______________________________________________________
You can't grep a dead tree.
