> Tatsuo Ishii <[EMAIL PROTECTED]> writes: > > ... There seems some problems existing in the > > implementation. Considering REGEX is not so slow, maybe we should > > employ the same design as REGEX. i.e. using wide charcters, not > > multibyte streams... > > Seems like a good thing to put on the to-do list. In the meantime, > we still have the question of whether to enable multibyte in the > default configuration. I'd still vote YES, as these results seem > to me to demonstrate that there is no wide-ranging performance penalty. > A problem confined to LIKE on long strings isn't a showstopper IMHO.
As I said, with a valid not anchored like expression the performance difference was substantial, even for shorter strings it was 37%. The test with "like 'aaa'" was not a good test case, and we should not deduce anything from that. Andreas ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]