PGCon 2011

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SP-GiST - a new indexing infrastructure for PostgreSQL

Space-Partitioning trees in PostgreSQL

We want to present a prototype of new indexing infrastructure, called SP-GiST, which greatly extends current extendability of PostgreSQL to support space-partitioning trees, as well as a family of digital trees like suffix tree, patricia. We'll present programming interface, examples of realizations of some useful datatypes. Also, we'd like to discuss some implementation issues and roadmap for inclusion to PostgreSQL.

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