Bruce Momjian <[EMAIL PROTECTED]> writes:
> Patch applied. Thanks.
>> Also, I added an experimental feature for btree indexes. It checks
>> fragmentation factor of indexes. If an leaf has the right link on the next
>> adjacent page in the file, it is assumed to be continuous (not fragmented).
>> It will help us to decide when to REINDEX.
This was done in an entirely unacceptable way, to wit
100.0 * (stat.forward + stat.backward) /
(stat.continuous + stat.forward + stat.backward)),
errhint("continuous=%llu, forward=%llu, backward=%llu",
stat.continuous, stat.forward, stat.backward)));
The really serious problem with reporting this info via NOTICE is that
there's no way for a program to get its hands on the info. The output
tuple format needs to be extended instead.
The lesser problem that drew my attention is that %llu is unportable
(and in fact draws gcc warnings for me; did you ignore that?). But
using UINT64_FORMAT instead would create a headache for translation
because the string would vary across platforms.
I won't bother correcting the violations of message style guidelines,
because this code simply has to go away.
regards, tom lane
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not