Bruce Momjian a194574dde > If read or write fails. Position will left the same. This ...

> situation is already tracked in File routines, but a little bit
> incorrectly.

> After small survey in Linux kernel code, I am not sure about
> it.  New patch set pos to unknown in the case of read/write
> fails. And do lseek again.

> Here is the full patch for this. This patch reduce amount of
> lseek call ten ti mes for update statement and twenty times for
> select statement. I tested joined up date and count(*) select
> for table with rows > 170000 and 10 indices.  I think this is
> worse of trying. Before lseek calls account for more than 5% o
> f time.  Now they are 0.89 and 0.15 respectevly.
>
> Due to only one file modification patch should be applied in
> src/backedn/stora ge/file/ dir.

-- Sincerely Yours,
Denis Perchine

2000-06-14 03:19:24 +00:00

..

buffile.c

Mark functions as static and ifdef NOT_USED as appropriate.

2000-06-08 22:38:00 +00:00

fd.c

> If read or write fails. Position will left the same. This

2000-06-14 03:19:24 +00:00

Makefile

Generated header files parse.h and fmgroids.h are now copied into

2000-05-29 05:45:56 +00:00