PostgreSQL
68.5. Examples #
The PostgreSQL source distribution includes several examples of index methods implemented using GiST. The core system currently provides text search support (indexing for tsvector and tsquery) as well as R-Tree equivalent functionality for some of the built-in geometric data types (see src/backend/access/gist/gistproc.c). The following contrib modules also contain GiST operator classes:
btree_gist-
B-tree equivalent functionality for several data types
cube-
Indexing for multidimensional cubes
hstore-
Module for storing (key, value) pairs
intarray-
RD-Tree for one-dimensional array of int4 values
ltree-
Indexing for tree-like structures
pg_trgm-
Text similarity using trigram matching
seg-
Indexing for “[.quote]#float ranges”#
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Chapter 69. SP-GiST Indexes |
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