On 15.04.2017 20:38, Thomas Mercieca wrote:
Hi all, I am interested in getting simple statistics of a GiST index structure. For example, heightof tree.

It seems that the other indexes have a metapage for this. I am still unsure but it looks to me like the GiST access method internal does not work exactly in this way so it is a bit more complicated to extract this data. Is this correct? If I wanted to extract this kind of stat (back to the height of tree example) what would be the right approach? Thanks a lot.

Have you tried the 'gevel' module? You can find it here:

Arthur Zakirov
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company

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