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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Full Text Search</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="The SQL Language" HREF="sql.html"><LINK REL="PREVIOUS" TITLE="Examining Index Usage" HREF="indexes-examine.html"><LINK REL="NEXT" TITLE="Introduction" HREF="textsearch-intro.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="CHAPTER" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="Examining Index Usage" HREF="indexes-examine.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="Introduction" HREF="textsearch-intro.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="TEXTSEARCH" ></A >Chapter 12. Full Text Search</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >12.1. <A HREF="textsearch-intro.html" >Introduction</A ></DT ><DD ><DL ><DT >12.1.1. <A HREF="textsearch-intro.html#TEXTSEARCH-DOCUMENT" >What Is a Document?</A ></DT ><DT >12.1.2. <A HREF="textsearch-intro.html#TEXTSEARCH-MATCHING" >Basic Text Matching</A ></DT ><DT >12.1.3. <A HREF="textsearch-intro.html#TEXTSEARCH-INTRO-CONFIGURATIONS" >Configurations</A ></DT ></DL ></DD ><DT >12.2. <A HREF="textsearch-tables.html" >Tables and Indexes</A ></DT ><DD ><DL ><DT >12.2.1. <A HREF="textsearch-tables.html#TEXTSEARCH-TABLES-SEARCH" >Searching a Table</A ></DT ><DT >12.2.2. <A HREF="textsearch-tables.html#TEXTSEARCH-TABLES-INDEX" >Creating Indexes</A ></DT ></DL ></DD ><DT >12.3. <A HREF="textsearch-controls.html" >Controlling Text Search</A ></DT ><DD ><DL ><DT >12.3.1. <A HREF="textsearch-controls.html#TEXTSEARCH-PARSING-DOCUMENTS" >Parsing Documents</A ></DT ><DT >12.3.2. <A HREF="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES" >Parsing Queries</A ></DT ><DT >12.3.3. <A HREF="textsearch-controls.html#TEXTSEARCH-RANKING" >Ranking Search Results</A ></DT ><DT >12.3.4. <A HREF="textsearch-controls.html#TEXTSEARCH-HEADLINE" >Highlighting Results</A ></DT ></DL ></DD ><DT >12.4. <A HREF="textsearch-features.html" >Additional Features</A ></DT ><DD ><DL ><DT >12.4.1. <A HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR" >Manipulating Documents</A ></DT ><DT >12.4.2. <A HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY" >Manipulating Queries</A ></DT ><DT >12.4.3. <A HREF="textsearch-features.html#TEXTSEARCH-UPDATE-TRIGGERS" >Triggers for Automatic Updates</A ></DT ><DT >12.4.4. <A HREF="textsearch-features.html#TEXTSEARCH-STATISTICS" >Gathering Document Statistics</A ></DT ></DL ></DD ><DT >12.5. <A HREF="textsearch-parsers.html" >Parsers</A ></DT ><DT >12.6. <A HREF="textsearch-dictionaries.html" >Dictionaries</A ></DT ><DD ><DL ><DT >12.6.1. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-STOPWORDS" >Stop Words</A ></DT ><DT >12.6.2. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-SIMPLE-DICTIONARY" >Simple Dictionary</A ></DT ><DT >12.6.3. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-SYNONYM-DICTIONARY" >Synonym Dictionary</A ></DT ><DT >12.6.4. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-THESAURUS" >Thesaurus Dictionary</A ></DT ><DT >12.6.5. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-ISPELL-DICTIONARY" ><SPAN CLASS="APPLICATION" >Ispell</SPAN > Dictionary</A ></DT ><DT >12.6.6. <A HREF="textsearch-dictionaries.html#TEXTSEARCH-SNOWBALL-DICTIONARY" ><SPAN CLASS="APPLICATION" >Snowball</SPAN > Dictionary</A ></DT ></DL ></DD ><DT >12.7. <A HREF="textsearch-configuration.html" >Configuration Example</A ></DT ><DT >12.8. <A HREF="textsearch-debugging.html" >Testing and Debugging Text Search</A ></DT ><DD ><DL ><DT >12.8.1. <A HREF="textsearch-debugging.html#TEXTSEARCH-CONFIGURATION-TESTING" >Configuration Testing</A ></DT ><DT >12.8.2. <A HREF="textsearch-debugging.html#TEXTSEARCH-PARSER-TESTING" >Parser Testing</A ></DT ><DT >12.8.3. <A HREF="textsearch-debugging.html#TEXTSEARCH-DICTIONARY-TESTING" >Dictionary Testing</A ></DT ></DL ></DD ><DT >12.9. <A HREF="textsearch-indexes.html" >GiST and GIN Index Types</A ></DT ><DT >12.10. <A HREF="textsearch-psql.html" ><SPAN CLASS="APPLICATION" >psql</SPAN > Support</A ></DT ><DT >12.11. <A HREF="textsearch-limitations.html" >Limitations</A ></DT ><DT >12.12. <A HREF="textsearch-migration.html" >Migration from Pre-8.3 Text Search</A ></DT ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="indexes-examine.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="textsearch-intro.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Examining Index Usage</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sql.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Introduction</TD ></TR ></TABLE ></DIV ></BODY ></HTML >