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Re: lug-bg: MySQL query
- Subject: Re: lug-bg: MySQL query
- From: gf@xxxxxxxxxxx (Georgi Chorbadzhiyski)
- Date: Mon, 18 Nov 2002 15:28:17 +0200
krasimir wrote:
> öèòèðàì Teodor Penev <tpenev@xxxxxx>:
>
>> zdrasti lug-bg,
>>
>> imam slednoto pitane:
>> MySQL tablica s razlichni poleta -
>>
>> +--------+----------+
>> | id | name |
>> +---------+---------+
>> | 1 | joe |
>> +---------+---------+
>> | 2 | jane |
>> +---------+---------+
>> | n | bill |
>> +---------+---------+
>>
>>
>> celta e da vzema stoinostta na nai-goliamato 'id' (n)
>> (ili poslednoto) i da go vkaram v php code.
>> neshto kato SELECT id FROM table ORDER BY id WHERE id = '...'
>> ...
>> posle da uvelicha biggest id + 1 za nov zapis i t.n.
>> predpolagam che moje da se vikat stoinosttie na id (vsichkite)
>> v php i posle da se vzema nai-goliamato, no ne moga da go izmislia
>> v momenta...
>>
>> any ideas? 10x
>
>
>
>
> $result=mysql_query(sprintf("SELECT (MAX(tablename.id)+1) from
> table.name;") , $link);
> if($row = mysql_fetch_array($result)) {
> if ($row[0]=='') $id=1; else
> $id=$row[0];
> } else {
> exit();
> }
> mysql_query("insert into tablename values (".$id." , ...........)");
>
> ako oshte ne si promenil poleto na auto increment moje da polzvash tozi
> kod
> krasimir
I ako paralelno tozi kod se izpalniava 50-60 pyti v sekunda, kakvo shte stane ?
Osven tova e mnogo losha ideia da pravish selects, updates i inserts ednovremenno
v edna tablica na mysql.
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