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[PHP-DB] mysql rereading result set (fetch_assoc)
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| larry@lwoods.com 2007-01-09, 7:59 am |
| I'm running thru a result set using fetch_assoc. Now I want to run through
it again.
How?
TIA,
Larry Woods
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| niel@catweasel.org 2007-01-09, 7:59 am |
| Hi
> I'm running thru a result set using fetch_assoc. Now I want to run through
> it again.
>
> How?
Save each row into an array first time around, then reset the array
pointer to the beginning, would be one way.
Or assuming you're using the original MySQL functions, use
mysql_data_s (0) to reset the internal result pointer, as one minute
scanning the function list in the documentation would tell you
Niel
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rights which are and shall remain the property of Piranha Studios
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of this communication or the information in it is strictly prohibited.
Piranha Studios Limited asserts its rights in this communication and
the information in it and reserves the right to take action against
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| christine 2007-01-09, 9:58 pm |
| Hi, I would ask which way is more efficient and save time? Save each row to
array or mysql_data_s(0) ?
Regards & Thanks,
Christine
-----Original Message-----
From: niel@catweasel.org [mailto:niel@catweasel.org]
Sent: Tuesday, January 09, 2007 18:23
To: php-db@lists.php.net
Subject: Re: [PHP-DB] mysql rereading result set (fetch_assoc)
Hi
> I'm running thru a result set using fetch_assoc. Now I want to run
through
> it again.
>
> How?
Save each row into an array first time around, then reset the array
pointer to the beginning, would be one way.
Or assuming you're using the original MySQL functions, use
mysql_data_s(0) to reset the internal result pointer, as one minute
scanning the function list in the documentation would tell you
Niel
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| |
|
| christine wrote:
> Hi, I would ask which way is more efficient and save time? Save each row to
> array or mysql_data_s(0) ?
Probably mysql_data_s(0).
That just resets the mysql pointer back to the start and so it doesn't
re-run the query or anything like that and doesn't take up any extra memory.
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Postgresql & php tutorials
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| |
| Niel Archer 2007-01-09, 9:58 pm |
| Hi
> Hi, I would ask which way is more efficient and save time? Save each row to
> array or mysql_data_s(0) ?
That totally depends on which resources are more valuable to you.
The array will likely use more memory but be faster to process.
While mysql_data_s(0) would probably use no additional memory but
be slower. It also might require you to duplicate code.
Niel
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