John R Pierce <pierce(at)hogranch(dot)com> writes:
>> 2010/10/22 sunpeng <bluevaley(at)gmail(dot)com <mailto:bluevaley(at)gmail(dot)com>>
>>
>> Hi, how to get the height of R* or B tree of created index ?
You could use Gevel for GiST and GIN:
http://www.sai.msu.su/~megera/wiki/Gevel
Don't know if something similar exists for btree, but I guess it would
be very useful.
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support