Re: Heap table limitations

2004-05-20 Thread Sasha Pachev
Daniel Cummings wrote: We want to convert a 200+ meg table to a heap table. We've gotten pretty good performance converting from InnoDb to MyIsam table but converting to a heap table would give an even bigger performance boost. You think it would, or it already has in your testing? Heap vs. MyISAM

RE: Heap table limitations

2004-05-20 Thread emierzwa
You can't do efficient ranging on a HASH indexed column without a table scan... Select * from heap_table where indx_col between 247 and 258 This would table scan your 200meg table even if "indx_col" is a PRIMARY KEY, using the default hash key. Hash key was the only choice prior to 4.1, but now y