Re: query much slower when function used...?

2001-01-12 Thread elble
okay, with gdb i can see that this column becomes a blob (thereby not allowing heap tables to be used - which has got to be costing me speed), is there any function i can use to 'cast' this column to a fixed length? hrm, apparently LEFT(SUBSTRING(MAX(CONCAT())), N) will do that for

Re: query much slower when function used...?

2001-01-11 Thread elble
okay, with gdb i can see that this column becomes a blob (thereby not allowing heap tables to be used - which has got to be costing me speed), is there any function i can use to 'cast' this column to a fixed length? hrm, apparently LEFT(SUBSTRING(MAX(CONCAT())), N) will do that for me...