Hi all, I am interested in getting simple statistics of a GiST index structure. 
For example, height of 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.



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