Create a compound index on either (time, source_ip) or (source_ip, time). Mysql cannot use two indexes on one table.
woah what are you saying here , that it cant have multiple indexes within a table ? and what is a compound index ? say i have a table products: productID product storeID <-index userID <-index stores: storeID store users: userID user can i not have multiple indexes like that , as i usually use int keys to join tables together -----Original Message----- From: Dan Nelson [mailto:[EMAIL PROTECTED] Sent: Friday, April 04, 2003 3:22 PM To: Steve Phillips Cc: [EMAIL PROTECTED] Subject: Re: MySQL index fun In the last episode (Apr 03), Steve Phillips said: > I have a table for ip data that i need to index to suit the following > query > > SELECT time,source_ip,bytes FROM data.tb_ipdata_0403 WHERE (time > > 1049108400 AND time < 1051786799) AND (source_ip > 3389268097 AND > source_ip < 3389268099) > > if i created an index on the time column and an index of the > source_ip column would the query then use these indexes or would i > need to change my query ? Create a compound index on either (time, source_ip) or (source_ip, time). Mysql cannot use two indexes on one table. -- Dan Nelson [EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
