Micah, > You can't use that column type as an index because it's variable length. Makes sense. > Make it a varchar or something that's definite to index it. It is possible the value stored can reach up to about 2k characters, which is too long for a varchar type. Any recommendations as to what type to use that wouldn't be variable length, but be able to store strings/values of that size? Thanks! John -----Original Message----- From: Micah Stevens [mailto:micah@xxxxxxxxxxxxxxxxxx] Sent: Friday, February 09, 2007 6:29 PM To: John Pillion Cc: php-db@xxxxxxxxxxxxx Subject: Re: indexing error - key length not specified You can't use that column type as an index because it's variable length. Make it a varchar or something that's definite to index it. -Micah On 02/09/2007 03:56 PM, John Pillion wrote: > I am trying to set an index on a field in my table, but am getting the > following error: > > > > BLOB column 'ReadBy' used in key specification without a key length > > > > The fieldtype is blob, though I get the same error whether blob or text, or > the medium and long versions of each. My first though, based on the error, > was I needed to set a length to the field - but it won't accept/store any > length I give it (because it's a variable length?) > > > > I'm using mysql on from 1and1 (hosting provider), though I don't know what > version they're running > > > > .. any thoughts? > > > > > > As an alternative, how much less efficient would it be to do a ".LIKE > '%mystring%'" versus a MATCH..? > > > > > > > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
