mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-27 08:39:28 +08:00
In text search docs, properly use indexterm _zone_ only when we want an
entire section, per Peter.
This commit is contained in:
Bruce Momjian
parent
6e832b059e
commit
99a01bfd1e
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.208 2007/08/29 20:37:14 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.209 2007/08/31 04:52:29 momjian Exp $ -->
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<chapter id="datatype">
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<title id="datatype-title">Data Types</title>
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@ -3281,20 +3281,18 @@ a0eebc999c0b4ef8bb6d6bb9bd380a11
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<variablelist>
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<indexterm zone="datatype-textsearch">
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<primary>tsvector</primary>
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</indexterm>
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<varlistentry>
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<term><firstterm>tsvector</firstterm></term>
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<listitem>
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<para>
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<type>tsvector</type> is a data type that represents a document and is
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optimized for full text searching. In the simplest case,
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<type>tsvector</type> is a sorted list of lexemes, so even without indexes
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full text searches perform better than standard <literal>~</literal> and
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<literal>LIKE</literal> operations:
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<type>tsvector</type>
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<indexterm><primary>tsvector</primary></indexterm> is a data type
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that represents a document and is optimized for full text searching.
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In the simplest case, <type>tsvector</type> is a sorted list of
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lexemes, so even without indexes full text searches perform better
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than standard <literal>~</literal> and <literal>LIKE</literal>
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operations:
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<programlisting>
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SELECT 'a fat cat sat on a mat and ate a fat rat'::tsvector;
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@ -3355,19 +3353,17 @@ SELECT 'fat:1 rat:2'::tsvector || 'fat:1 cat:2'::tsvector;
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</varlistentry>
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<indexterm zone="datatype-textsearch">
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<primary>tsquery</primary>
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</indexterm>
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<varlistentry>
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<term><firstterm>tsquery</firstterm></term>
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<listitem>
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<para>
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<type>tsquery</type> is a data type for textual queries which supports
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the boolean operators <literal>&</literal> (AND), <literal>|</literal> (OR),
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and parentheses. A <type>tsquery</type> consists of lexemes
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(optionally labeled by letters) with boolean operators in between:
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<type>tsquery</type>
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<indexterm><primary>tsquery</primary></indexterm> is a data type
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for textual queries which supports the boolean operators
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<literal>&</literal> (AND), <literal>|</literal> (OR), and
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parentheses. A <type>tsquery</type> consists of lexemes (optionally
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labeled by letters) with boolean operators in between:
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<programlisting>
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SELECT 'fat & cat'::tsquery;
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.390 2007/08/29 21:51:45 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.391 2007/08/31 04:52:29 momjian Exp $ -->
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<chapter id="functions">
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<title>Functions and Operators</title>
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@ -7585,8 +7585,8 @@ CREATE TYPE rainbow AS ENUM ('red', 'orange', 'yellow', 'green', 'blue', 'purple
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<varlistentry>
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<indexterm zone="functions-textsearch-search-operator">
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<primary>TSVECTOR @@ TSQUERY</primary>
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<indexterm>
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<primary>TSVECTOR @@ TSQUERY</primary>
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</indexterm>
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<term>
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@ -7620,8 +7620,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat'::tsvector @@ 'fat & cow'::
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<varlistentry>
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<indexterm zone="functions-textsearch-search-operator">
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<primary>TEXT @@ TSQUERY</primary>
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<indexterm>
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<primary>TEXT @@ TSQUERY</primary>
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</indexterm>
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<term>
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@ -7652,8 +7652,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat'::text @@ 'cat & cow'::tsqu
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<varlistentry>
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<indexterm zone="functions-textsearch-search-operator">
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<primary>TEXT @@ TEXT</primary>
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<indexterm>
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<primary>TEXT @@ TEXT</primary>
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</indexterm>
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<term>
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@ -7701,8 +7701,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>to_tsvector</primary>
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<indexterm>
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<primary>to_tsvector</primary>
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</indexterm>
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<term>
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@ -7723,8 +7723,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>strip</primary>
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<indexterm>
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<primary>strip</primary>
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</indexterm>
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<term>
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@ -7746,8 +7746,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>setweight</primary>
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<indexterm>
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<primary>setweight</primary>
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</indexterm>
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<term>
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@ -7771,8 +7771,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>tsvector concatenation</primary>
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<indexterm>
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<primary>tsvector concatenation</primary>
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</indexterm>
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<term>
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@ -7802,8 +7802,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>length(tsvector)</primary>
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<indexterm>
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<primary>length(tsvector)</primary>
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</indexterm>
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<term>
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@ -7821,8 +7821,8 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>text::tsvector</primary>
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<indexterm>
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<primary>text::tsvector</primary>
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</indexterm>
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<term>
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@ -7846,9 +7846,9 @@ SELECT 'a fat cat sat on a mat and ate a fat rat' @@ 'cat cow';
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>trigger</primary>
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<secondary>for updating a derived tsvector column</secondary>
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<indexterm>
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<primary>trigger</primary>
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<secondary>for updating a derived tsvector column</secondary>
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</indexterm>
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<term>
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@ -7896,8 +7896,8 @@ tsvector_update_trigger(tsv, 'pg_catalog.english', strMessage);
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>ts_stat</primary>
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<indexterm>
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<primary>ts_stat</primary>
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</indexterm>
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<term>
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@ -7943,8 +7943,8 @@ LIMIT 10;
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<varlistentry>
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<indexterm zone="functions-textsearch-tsvector">
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<primary>Btree operations for tsvector</primary>
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<indexterm>
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<primary>Btree operations for tsvector</primary>
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</indexterm>
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<term>
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@ -7979,8 +7979,8 @@ LIMIT 10;
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>to_tsquery</primary>
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<indexterm>
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<primary>to_tsquery</primary>
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</indexterm>
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<term>
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@ -8026,8 +8026,8 @@ SELECT to_tsquery('''supernovae stars'' & !crab');
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>plainto_tsquery</primary>
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<indexterm>
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<primary>plainto_tsquery</primary>
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</indexterm>
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<term>
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@ -8051,8 +8051,8 @@ SELECT to_tsquery('''supernovae stars'' & !crab');
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>querytree</primary>
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<indexterm>
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<primary>querytree</primary>
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</indexterm>
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<term>
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@ -8081,8 +8081,8 @@ SELECT querytree(to_tsquery('!defined'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>text::tsquery casting</primary>
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<indexterm>
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<primary>text::tsquery casting</primary>
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</indexterm>
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<term>
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@ -8107,8 +8107,8 @@ SELECT querytree(to_tsquery('!defined'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>numnode</primary>
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<indexterm>
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<primary>numnode</primary>
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</indexterm>
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<term>
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@ -8146,8 +8146,8 @@ SELECT numnode(plainto_tsquery('long table'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>TSQUERY && TSQUERY</primary>
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<indexterm>
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<primary>TSQUERY && TSQUERY</primary>
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</indexterm>
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<term>
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@ -8165,8 +8165,8 @@ SELECT numnode(plainto_tsquery('long table'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>TSQUERY || TSQUERY</primary>
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<indexterm>
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<primary>TSQUERY || TSQUERY</primary>
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</indexterm>
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<term>
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@ -8184,8 +8184,8 @@ SELECT numnode(plainto_tsquery('long table'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>!! TSQUERY</primary>
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<indexterm>
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<primary>!! TSQUERY</primary>
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</indexterm>
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<term>
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@ -8203,8 +8203,8 @@ SELECT numnode(plainto_tsquery('long table'));
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>Btree operations for tsquery</primary>
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<indexterm>
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<primary>Btree operations for tsquery</primary>
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</indexterm>
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<term>
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@ -8257,8 +8257,8 @@ INSERT INTO aliases VALUES('a', 'c');
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>ts_rewrite</primary>
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<indexterm>
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<primary>ts_rewrite</primary>
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</indexterm>
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<term>
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@ -8404,8 +8404,8 @@ WHERE 'a & b' @> t;
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>TSQUERY @> TSQUERY</primary>
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<indexterm>
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<primary>TSQUERY @> TSQUERY</primary>
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</indexterm>
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<term>
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@ -8423,8 +8423,8 @@ WHERE 'a & b' @> t;
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<varlistentry>
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<indexterm zone="functions-textsearch-tsquery">
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<primary>tsquery <@ tsquery</primary>
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<indexterm>
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<primary>tsquery <@ tsquery</primary>
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</indexterm>
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<term>
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@ -241,8 +241,8 @@ SELECT 'fat & cow'::tsquery @@ 'a fat cat sat on a mat and ate a fat rat'::t
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<title>Configurations</title>
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<indexterm zone="textsearch-configurations">
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<primary>text search</primary>
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<secondary>configurations</secondary>
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<primary>text search</primary>
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<secondary>configurations</secondary>
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</indexterm>
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<para>
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@ -429,6 +429,11 @@ ORDER BY rank DESC LIMIT 10;
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<sect2 id="textsearch-parser">
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<title>Parsing</title>
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<indexterm zone="textsearch-parser">
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<primary>text search</primary>
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<secondary>parse</secondary>
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</indexterm>
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<para>
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Full text searching in <productname>PostgreSQL</productname> provides
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function <function>to_tsvector</function>, which converts a document to
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@ -544,11 +549,6 @@ UPDATE tt SET ti=
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<varlistentry>
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<indexterm zone="textsearch-parser">
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<primary>text search</primary>
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<secondary>parse</secondary>
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</indexterm>
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<term>
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<synopsis>
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ts_parse(<replaceable class="PARAMETER">parser</replaceable>, <replaceable class="PARAMETER">document</replaceable> TEXT) returns SETOF <type>tokenout</type>
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@ -579,8 +579,8 @@ SELECT * FROM ts_parse('default','123 - a number');
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<varlistentry>
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<indexterm zone="textsearch-parser">
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<primary>text search</primary>
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<secondary>ts_token_type</secondary>
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<primary>text search</primary>
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<secondary>ts_token_type</secondary>
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</indexterm>
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<term>
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@ -667,8 +667,8 @@ SELECT * FROM ts_token_type('default');
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<varlistentry>
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<indexterm zone="textsearch-ranking">
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<primary>text search</primary>
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<secondary>ts_rank</secondary>
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<primary>text search</primary>
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<secondary>ts_rank</secondary>
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</indexterm>
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<term>
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@ -704,8 +704,8 @@ SELECT * FROM ts_token_type('default');
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<varlistentry>
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<indexterm zone="textsearch-ranking">
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<primary>text search</primary>
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<secondary>ts_rank_cd</secondary>
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<primary>text search</primary>
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<secondary>ts_rank_cd</secondary>
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</indexterm>
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<term>
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@ -855,8 +855,8 @@ ORDER BY rnk DESC LIMIT 10;
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<title>Highlighting Results</title>
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<indexterm zone="textsearch-headline">
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<primary>text search</primary>
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<secondary>headline</secondary>
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<primary>text search</primary>
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<secondary>headline</secondary>
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</indexterm>
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<para>
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@ -1576,8 +1576,8 @@ CREATE TEXT SEARCH DICTIONARY english_stem (
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<varlistentry>
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<indexterm zone="textsearch-dictionaries">
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<primary>text search</primary>
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<secondary>ts_lexize</secondary>
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<primary>text search</primary>
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<secondary>ts_lexize</secondary>
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</indexterm>
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<term>
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@ -1821,13 +1821,13 @@ SHOW default_text_search_config;
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<varlistentry>
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<indexterm zone="textsearch-indexes">
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<primary>text search</primary>
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<secondary>GiST</secondary>
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<primary>text search</primary>
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<secondary>GiST</secondary>
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</indexterm>
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<!--
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<indexterm zone="textsearch-indexes">
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<primary>GiST</primary>
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<primary>GiST</primary>
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</indexterm>
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-->
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<term>
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@ -1848,13 +1848,13 @@ SHOW default_text_search_config;
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<varlistentry>
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<indexterm zone="textsearch-indexes">
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<primary>text search</primary>
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<secondary>GIN</secondary>
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<primary>text search</primary>
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<secondary>GIN</secondary>
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</indexterm>
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<!--
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<indexterm zone="textsearch-indexes">
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<primary>GIN</primary>
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<primary>GIN</primary>
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</indexterm>
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-->
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<term>
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