Sophie: postgresql8.4-docs-8.4.12-0.1mdv2010.2 i586

postgresql8.4-docs-8.4.12-0.1mdv2010.2.i586.rpm

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>Chapter 51. GiST Indexes</TD
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>  The <SPAN
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>PostgreSQL</SPAN
> source distribution includes
  several examples of index methods implemented using
  <ACRONYM
CLASS="ACRONYM"
>GiST</ACRONYM
>.  The core system currently provides text search
  support (indexing for <TT
CLASS="TYPE"
>tsvector</TT
> and <TT
CLASS="TYPE"
>tsquery</TT
>) as well as
  R-Tree equivalent functionality for some of the built-in geometric data types
  (see <TT
CLASS="FILENAME"
>src/backend/access/gist/gistproc.c</TT
>).  The following
  <TT
CLASS="FILENAME"
>contrib</TT
> modules also contain <ACRONYM
CLASS="ACRONYM"
>GiST</ACRONYM
>
  operator classes:
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><DL
><DT
>btree_gist</DT
><DD
><P
>B-Tree equivalent functionality for several data types</P
></DD
><DT
>cube</DT
><DD
><P
>Indexing for multidimensional cubes</P
></DD
><DT
>hstore</DT
><DD
><P
>Module for storing (key, value) pairs</P
></DD
><DT
>intarray</DT
><DD
><P
>RD-Tree for one-dimensional array of int4 values</P
></DD
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>ltree</DT
><DD
><P
>Indexing for tree-like structures</P
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>pg_trgm</DT
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>Text similarity using trigram matching</P
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>seg</DT
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>Indexing for <SPAN
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