May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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GiST indexes
Generalized search tree (GiST) indexes are highly important index types because they are used for a variety of different things. GiST indexes can be used to implement R-tree behavior and it is even possible to act as B-tree. However, abusing GiST for B-tree indexes is not recommended.
Typical use cases for GiST are:
- Range types
- Geometric indexes (for example, used by the highly popular PostGIS extension)
- Fuzzy searching
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