[pLog-svn] db vs pdb confusion...
Jon Daley
plogworld at jon.limedaley.com
Sun Jan 28 08:46:30 EST 2007
Ah. I thought they were added to make thing cross-database
compatible, which seems like a good idea.
On Sun, 28 Jan 2007, Oscar Renalias wrote:
> I wouldn't use those buildXXXQuery() methods, I've been meaning to
> remove them for a while because I don't like them either (they
> weren't added by me in the first place)
>
> I've always thought it's easier to build queries manually...
>
> On 28 Jan 2007, at 03:22, Jon Daley wrote:
>
>> I am not sure how to convert this to a buildSelectQuery()
>>
>> $query = "SELECT address ".
>> "FROM {$prefix}subscribe ".
>> "WHERE active=1 AND ".
>> "type=".$type." AND (";
>> foreach($ids as $id)
>> $query .= "objid=$id OR ";
>> $query .= "objid=0)";
>>
>> The WHERE condition has a nested OR, inside an AND.
>> Is that possible to do? Is there documentation or some place to
>> look for
>> these sorts of examples?
>>
>> On Sat, 27 Jan 2007, Jon Daley wrote:
>>
>>> Yes, I just figured that out - I don't know what I was thinking.
>>> It does look like there is too much code in db.class.php - ie. why
>>> do the
>>> buildWhereCondition, buildUpdateQuery, etc. exist in that class?
>>> Shouldn't the pdb classes only be used? Maybe that is just for
>>> backward
>>> compatibility?
>>>
>>> On Sun, 28 Jan 2007, Oscar Renalias wrote:
>>>
>>>> Db::getDb() returns a reference to the right database driver,
>>>> currently PDbMySQLDriver only so you can call the
>>>> PDbDriverBase::Affected_Rows() in that object to get what you're
>>>> looking for.
>>>>
>>>> On 28 Jan 2007, at 01:57, Jon Daley wrote:
>>>>
>>>>> I haven't ever quite understood how all the database stuff works.
>>>>>
>>>>> I have a function that I was typing the mysql directly, and I
>>>>> thought that
>>>>> perhaps I should use the Db::buildUpdateQuery instead. Is that the
>>>>> right
>>>>> thing to do?
>>>>>
>>>>> What I am missing is I don't know how to get to the Affected_Rows()
>>>>> function, that exists in mysqldriver, but not mysqlrecordset.
>>>>>
>>>>>
>>>>>
>>>>> function confirmSubscription($confirmation){
>>>>> include_once( PLOG_CLASS_PATH."class/database/
>>>>> db.class.php" );
>>>>> // $prefix = Db::getPrefix();
>>>>> // $query = "UPDATE {$prefix}subscribe ".
>>>>> // "SET active=1, confirm=NULL ".
>>>>> // "WHERE confirm='$confirmation'";
>>>>> $db =& Db::getDb();
>>>>> $query = Db::buildUpdateQuery("subscribe",
>>>>> array("active" => 1,
>>>>> "confirm" => NULL),
>>>>> array("confirm" =>
>>>>> $confirmation));
>>>>> if(!$db->Execute($query))
>>>>> return false;
>>>>>
>>>>> // TODO: check affected_rows, and make sure
>>>>> // that it is at least 1.
>>>>> return true;
>>>>> }
>>>>>
>>>>>
>>>>> --
>>>>> Jon Daley
>>>>> http://jon.limedaley.com/
>>>>>
>>>>> To be upset over what you don't have is to waste what you do have.
>>>>> -- Unknown
>>>>> _______________________________________________
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>>>>>
>>>>
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>>>
>>> --
>>> Jon Daley
>>> http://jon.limedaley.com/
>>>
>>> There are really only two bases: 2 and e.
>>> -- Michael Brian McElroy
>>> _______________________________________________
>>> pLog-svn mailing list
>>> pLog-svn at devel.lifetype.net
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>>
>> --
>> Jon Daley
>> http://jon.limedaley.com/
>>
>> Any time you get a mouthful of hot soup,
>> the next thing you do will be wrong.
>> -- Zall's First Law
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>>
>
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--
Jon Daley
http://jon.limedaley.com/
Common sense is the collection of prejudices acquired by age 18.
-- Albert Einstein
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