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Full Discussion: PHP/MySQL slow_queries
Top Forums Shell Programming and Scripting PHP/MySQL slow_queries Post 302155453 by pondlife on Friday 4th of January 2008 03:56:29 AM
Old 01-04-2008
Hi Jjino,

Thanks for your reply - I've had a quick look over the link you supplied. I think the gist of what's being said is that you can cache the table lookup so you don't have to query the table again? Am I correct?

That's an angle I'll have to look at. My db was stuffed again this morning and I had to restart MySQL... considering I'm running a vBulletin forum on the same server and that's running fine I believe the server to be well up for the job... must be my code...

One other question: I'm only using one db user for all of the web page based lookups - is this normal practice?

Is there anywhere (apart from the MySQL docs pages) where I can learn about MySQL query building?

Many thanks,

p.
 

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MYSQLND_MS_MATCH_WILD(3)						 1						  MYSQLND_MS_MATCH_WILD(3)

mysqlnd_ms_match_wild - Finds whether a table name matches a wildcard pattern or not

SYNOPSIS
bool mysqlnd_ms_match_wild (string $table_name, string $wildcard) DESCRIPTION
Finds whether a table name matches a wildcard pattern or not. This function is not of much practical relevance with PECL mysqlnd_ms 1.1.0 because the plugin does not support MySQL replication table filtering yet. PARAMETERS
o $table_name - The table name to check if it is matched by the wildcard. o $wildcard - The wildcard pattern to check against the table name. The wildcard pattern supports the same placeholders as MySQL replication filters do. MySQL replication filters can be configured by using the MySQL Server configuration options --replicate-wild-do-table and --replicate-wild-do-db. Please, consult the MySQL Reference Manual to learn more about this MySQL Server feature. The sup- ported placeholders are: o % - zero or more literals o _ - one literal Placeholders can be escaped using . RETURN VALUES
Returns TRUE table_name is matched by wildcard. Otherwise, returns FALSE EXAMPLES
Example #1 mysqlnd_ms_match_wild(3) example <?php var_dump(mysqlnd_ms_match_wild("schema_name.table_name", "schema%")); var_dump(mysqlnd_ms_match_wild("abc", "_")); var_dump(mysqlnd_ms_match_wild("table1", "table_")); var_dump(mysqlnd_ms_match_wild("asia_customers", "%customers")); var_dump(mysqlnd_ms_match_wild("funny%table","funny\%table")); var_dump(mysqlnd_ms_match_wild("funnytable", "funny%table")); ?> The above example will output: bool(true) bool(false) bool(true) bool(true) bool(true) bool(true) PHP Documentation Group MYSQLND_MS_MATCH_WILD(3)
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