On Mon, 2022-05-02 at 14:48 +0200, Baca Radim wrote: > we are developing an extension for multidimensional data. We have > created a Gist index that is heavily inspired by a cube extension. Right > now we would like to add some item compression since data items in a > node share a significant portion of a tuple prefix. However, I have no > idea how to handle information stored on a node level in Gists' > compression method. Is there any example? Unfortunately, the cube > extension does not implement item compression. > To be more specific we would like to store in the node a common prefix > for all tuples in the node. > Thanks for any advice,
Perhaps the PostGIS source will inspire you. They are compressing an entry to its bounding box. Yours, Laurenz Albe
