403Webshell
Server IP : 103.119.228.120  /  Your IP : 18.116.43.109
Web Server : Apache
System : Linux v8.techscape8.com 3.10.0-1160.119.1.el7.tuxcare.els2.x86_64 #1 SMP Mon Jul 15 12:09:18 UTC 2024 x86_64
User : nobody ( 99)
PHP Version : 5.6.40
Disable Function : shell_exec,symlink,system,exec,proc_get_status,proc_nice,proc_terminate,define_syslog_variables,syslog,openlog,closelog,escapeshellcmd,passthru,ocinum cols,ini_alter,leak,listen,chgrp,apache_note,apache_setenv,debugger_on,debugger_off,ftp_exec,dl,dll,myshellexec,proc_open,socket_bind,proc_close,escapeshellarg,parse_ini_filepopen,fpassthru,exec,passthru,escapeshellarg,escapeshellcmd,proc_close,proc_open,ini_alter,popen,show_source,proc_nice,proc_terminate,proc_get_status,proc_close,pfsockopen,leak,apache_child_terminate,posix_kill,posix_mkfifo,posix_setpgid,posix_setsid,posix_setuid,dl,symlink,shell_exec,system,dl,passthru,escapeshellarg,escapeshellcmd,myshellexec,c99_buff_prepare,c99_sess_put,fpassthru,getdisfunc,fx29exec,fx29exec2,is_windows,disp_freespace,fx29sh_getupdate,fx29_buff_prepare,fx29_sess_put,fx29shexit,fx29fsearch,fx29ftpbrutecheck,fx29sh_tools,fx29sh_about,milw0rm,imagez,sh_name,myshellexec,checkproxyhost,dosyayicek,c99_buff_prepare,c99_sess_put,c99getsource,c99sh_getupdate,c99fsearch,c99shexit,view_perms,posix_getpwuid,posix_getgrgid,posix_kill,parse_perms,parsesort,view_perms_color,set_encoder_input,ls_setcheckboxall,ls_reverse_all,rsg_read,rsg_glob,selfURL,dispsecinfo,unix2DosTime,addFile,system,get_users,view_size,DirFiles,DirFilesWide,DirPrintHTMLHeaders,GetFilesTotal,GetTitles,GetTimeTotal,GetMatchesCount,GetFileMatchesCount,GetResultFiles,fs_copy_dir,fs_copy_obj,fs_move_dir,fs_move_obj,fs_rmdir,SearchText,getmicrotime
MySQL : ON |  cURL : ON |  WGET : ON |  Perl : ON |  Python : ON |  Sudo : ON |  Pkexec : ON
Directory :  /usr/local/ssl/local/ssl/share/doc/postgresql-9.2.24/html/

Upload File :
current_dir [ Writeable] document_root [ Writeable]

 

Command :

[ Back ]     

Current File : /usr/local/ssl/local/ssl/share/doc/postgresql-9.2.24/html/functions-textsearch.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>Text Search Functions and Operators</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="Functions and Operators"
HREF="functions.html"><LINK
REL="PREVIOUS"
TITLE="Network Address Functions and Operators"
HREF="functions-net.html"><LINK
REL="NEXT"
TITLE="XML Functions"
HREF="functions-xml.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="SECT1"
><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="Network Address Functions and Operators"
HREF="functions-net.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="top"
><A
HREF="functions.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="60%"
ALIGN="center"
VALIGN="bottom"
>Chapter 9. Functions and Operators</TD
><TD
WIDTH="20%"
ALIGN="right"
VALIGN="top"
><A
TITLE="XML Functions"
HREF="functions-xml.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="FUNCTIONS-TEXTSEARCH"
>9.13. Text Search Functions and Operators</A
></H1
><P
>   <A
HREF="functions-textsearch.html#TEXTSEARCH-OPERATORS-TABLE"
>Table 9-37</A
>,
   <A
HREF="functions-textsearch.html#TEXTSEARCH-FUNCTIONS-TABLE"
>Table 9-38</A
> and
   <A
HREF="functions-textsearch.html#TEXTSEARCH-FUNCTIONS-DEBUG-TABLE"
>Table 9-39</A
>
   summarize the functions and operators that are provided
   for full text searching.  See <A
HREF="textsearch.html"
>Chapter 12</A
> for a detailed
   explanation of <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>'s text search
   facility.
  </P
><DIV
CLASS="TABLE"
><A
NAME="TEXTSEARCH-OPERATORS-TABLE"
></A
><P
><B
>Table 9-37. Text Search Operators</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><THEAD
><TR
><TH
>Operator</TH
><TH
>Description</TH
><TH
>Example</TH
><TH
>Result</TH
></TR
></THEAD
><TBODY
><TR
><TD
> <TT
CLASS="LITERAL"
>@@</TT
> </TD
><TD
><TT
CLASS="TYPE"
>tsvector</TT
> matches <TT
CLASS="TYPE"
>tsquery</TT
> ?</TD
><TD
><TT
CLASS="LITERAL"
>to_tsvector('fat cats ate rats') @@ to_tsquery('cat &amp; rat')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>t</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>@@@</TT
> </TD
><TD
>deprecated synonym for <TT
CLASS="LITERAL"
>@@</TT
></TD
><TD
><TT
CLASS="LITERAL"
>to_tsvector('fat cats ate rats') @@@ to_tsquery('cat &amp; rat')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>t</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>||</TT
> </TD
><TD
>concatenate <TT
CLASS="TYPE"
>tsvector</TT
>s</TD
><TD
><TT
CLASS="LITERAL"
>'a:1 b:2'::tsvector || 'c:1 d:2 b:3'::tsvector</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'a':1 'b':2,5 'c':3 'd':4</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>&amp;&amp;</TT
> </TD
><TD
>AND <TT
CLASS="TYPE"
>tsquery</TT
>s together</TD
><TD
><TT
CLASS="LITERAL"
>'fat | rat'::tsquery &amp;&amp; 'cat'::tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>( 'fat' | 'rat' ) &amp; 'cat'</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>||</TT
> </TD
><TD
>OR <TT
CLASS="TYPE"
>tsquery</TT
>s together</TD
><TD
><TT
CLASS="LITERAL"
>'fat | rat'::tsquery || 'cat'::tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>( 'fat' | 'rat' ) | 'cat'</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>!!</TT
> </TD
><TD
>negate a <TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>!! 'cat'::tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>!'cat'</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>@&gt;</TT
> </TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
> contains another ?</TD
><TD
><TT
CLASS="LITERAL"
>'cat'::tsquery @&gt; 'cat &amp; rat'::tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>f</TT
></TD
></TR
><TR
><TD
> <TT
CLASS="LITERAL"
>&lt;@</TT
> </TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
> is contained in ?</TD
><TD
><TT
CLASS="LITERAL"
>'cat'::tsquery &lt;@ 'cat &amp; rat'::tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>t</TT
></TD
></TR
></TBODY
></TABLE
></DIV
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>      The <TT
CLASS="TYPE"
>tsquery</TT
> containment operators consider only the lexemes
      listed in the two queries, ignoring the combining operators.
     </P
></BLOCKQUOTE
></DIV
><P
>     In addition to the operators shown in the table, the ordinary B-tree
     comparison operators (<TT
CLASS="LITERAL"
>=</TT
>, <TT
CLASS="LITERAL"
>&lt;</TT
>, etc) are defined
     for types <TT
CLASS="TYPE"
>tsvector</TT
> and <TT
CLASS="TYPE"
>tsquery</TT
>.  These are not very
     useful for text searching but allow, for example, unique indexes to be
     built on columns of these types.
    </P
><DIV
CLASS="TABLE"
><A
NAME="TEXTSEARCH-FUNCTIONS-TABLE"
></A
><P
><B
>Table 9-38. Text Search Functions</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><COL><THEAD
><TR
><TH
>Function</TH
><TH
>Return Type</TH
><TH
>Description</TH
><TH
>Example</TH
><TH
>Result</TH
></TR
></THEAD
><TBODY
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>get_current_ts_config()</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>regconfig</TT
></TD
><TD
>get default text search configuration</TD
><TD
><TT
CLASS="LITERAL"
>get_current_ts_config()</TT
></TD
><TD
><TT
CLASS="LITERAL"
>english</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>length(<TT
CLASS="TYPE"
>tsvector</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>integer</TT
></TD
><TD
>number of lexemes in <TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
><TT
CLASS="LITERAL"
>length('fat:2,4 cat:3 rat:5A'::tsvector)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>3</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>numnode(<TT
CLASS="TYPE"
>tsquery</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>integer</TT
></TD
><TD
>number of lexemes plus operators in <TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
> numnode('(fat &amp; rat) | cat'::tsquery)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>5</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>plainto_tsquery([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>config</I
></TT
> <TT
CLASS="TYPE"
>regconfig</TT
> , </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
>produce <TT
CLASS="TYPE"
>tsquery</TT
> ignoring punctuation</TD
><TD
><TT
CLASS="LITERAL"
>plainto_tsquery('english', 'The Fat Rats')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'fat' &amp; 'rat'</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>querytree(<TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
>get indexable part of a <TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>querytree('foo &amp; ! bar'::tsquery)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'foo'</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>setweight(<TT
CLASS="TYPE"
>tsvector</TT
>, <TT
CLASS="TYPE"
>"char"</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
>assign weight to each element of <TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
><TT
CLASS="LITERAL"
>setweight('fat:2,4 cat:3 rat:5B'::tsvector, 'A')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'cat':3A 'fat':2A,4A 'rat':5A</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>strip(<TT
CLASS="TYPE"
>tsvector</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
>remove positions and weights from <TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
><TT
CLASS="LITERAL"
>strip('fat:2,4 cat:3 rat:5A'::tsvector)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'cat' 'fat' 'rat'</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>to_tsquery([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>config</I
></TT
> <TT
CLASS="TYPE"
>regconfig</TT
> , </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
>normalize words and convert to <TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
><TT
CLASS="LITERAL"
>to_tsquery('english', 'The &amp; Fat &amp; Rats')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'fat' &amp; 'rat'</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>to_tsvector([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>config</I
></TT
> <TT
CLASS="TYPE"
>regconfig</TT
> , </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>document</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
>reduce document text to <TT
CLASS="TYPE"
>tsvector</TT
></TD
><TD
><TT
CLASS="LITERAL"
>to_tsvector('english', 'The Fat Rats')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'fat':2 'rat':3</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_headline([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>config</I
></TT
> <TT
CLASS="TYPE"
>regconfig</TT
>, </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>document</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, <TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
> [<SPAN
CLASS="OPTIONAL"
>, <TT
CLASS="REPLACEABLE"
><I
>options</I
></TT
> <TT
CLASS="TYPE"
>text</TT
> </SPAN
>])</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
>display a query match</TD
><TD
><TT
CLASS="LITERAL"
>ts_headline('x y z', 'z'::tsquery)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>x y &lt;b&gt;z&lt;/b&gt;</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_rank([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>weights</I
></TT
> <TT
CLASS="TYPE"
>float4[]</TT
>, </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>vector</I
></TT
> <TT
CLASS="TYPE"
>tsvector</TT
>, <TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
> [<SPAN
CLASS="OPTIONAL"
>, <TT
CLASS="REPLACEABLE"
><I
>normalization</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
> </SPAN
>])</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>float4</TT
></TD
><TD
>rank document for query</TD
><TD
><TT
CLASS="LITERAL"
>ts_rank(textsearch, query)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>0.818</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_rank_cd([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>weights</I
></TT
> <TT
CLASS="TYPE"
>float4[]</TT
>, </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>vector</I
></TT
> <TT
CLASS="TYPE"
>tsvector</TT
>, <TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
> [<SPAN
CLASS="OPTIONAL"
>, <TT
CLASS="REPLACEABLE"
><I
>normalization</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
> </SPAN
>])</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>float4</TT
></TD
><TD
>rank document for query using cover density</TD
><TD
><TT
CLASS="LITERAL"
>ts_rank_cd('{0.1, 0.2, 0.4, 1.0}', textsearch, query)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>2.01317</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_rewrite(<TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
>, <TT
CLASS="REPLACEABLE"
><I
>target</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
>, <TT
CLASS="REPLACEABLE"
><I
>substitute</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
>replace target with substitute within query</TD
><TD
><TT
CLASS="LITERAL"
>ts_rewrite('a &amp; b'::tsquery, 'a'::tsquery, 'foo|bar'::tsquery)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'b' &amp; ( 'foo' | 'bar' )</TT
></TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_rewrite(<TT
CLASS="REPLACEABLE"
><I
>query</I
></TT
> <TT
CLASS="TYPE"
>tsquery</TT
>, <TT
CLASS="REPLACEABLE"
><I
>select</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
></TD
><TD
><TT
CLASS="TYPE"
>tsquery</TT
></TD
><TD
>replace using targets and substitutes from a <TT
CLASS="COMMAND"
>SELECT</TT
> command</TD
><TD
><TT
CLASS="LITERAL"
>SELECT ts_rewrite('a &amp; b'::tsquery, 'SELECT t,s FROM aliases')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>'b' &amp; ( 'foo' | 'bar' )</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>tsvector_update_trigger()</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>trigger</TT
></TD
><TD
>trigger function for automatic <TT
CLASS="TYPE"
>tsvector</TT
> column update</TD
><TD
><TT
CLASS="LITERAL"
>CREATE TRIGGER ... tsvector_update_trigger(tsvcol, 'pg_catalog.swedish', title, body)</TT
></TD
><TD
><TT
CLASS="LITERAL"
></TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>tsvector_update_trigger_column()</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>trigger</TT
></TD
><TD
>trigger function for automatic <TT
CLASS="TYPE"
>tsvector</TT
> column update</TD
><TD
><TT
CLASS="LITERAL"
>CREATE TRIGGER ... tsvector_update_trigger_column(tsvcol, configcol, title, body)</TT
></TD
><TD
><TT
CLASS="LITERAL"
></TT
></TD
></TR
></TBODY
></TABLE
></DIV
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>    All the text search functions that accept an optional <TT
CLASS="TYPE"
>regconfig</TT
>
    argument will use the configuration specified by
    <A
HREF="runtime-config-client.html#GUC-DEFAULT-TEXT-SEARCH-CONFIG"
>default_text_search_config</A
>
    when that argument is omitted.
   </P
></BLOCKQUOTE
></DIV
><P
>   The functions in
   <A
HREF="functions-textsearch.html#TEXTSEARCH-FUNCTIONS-DEBUG-TABLE"
>Table 9-39</A
>
   are listed separately because they are not usually used in everyday text
   searching operations.  They are helpful for development and debugging
   of new text search configurations.
  </P
><DIV
CLASS="TABLE"
><A
NAME="TEXTSEARCH-FUNCTIONS-DEBUG-TABLE"
></A
><P
><B
>Table 9-39. Text Search Debugging Functions</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><COL><THEAD
><TR
><TH
>Function</TH
><TH
>Return Type</TH
><TH
>Description</TH
><TH
>Example</TH
><TH
>Result</TH
></TR
></THEAD
><TBODY
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_debug([<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>config</I
></TT
> <TT
CLASS="TYPE"
>regconfig</TT
>, </SPAN
>] <TT
CLASS="REPLACEABLE"
><I
>document</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>alias</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>description</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>token</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>dictionaries</I
></TT
> <TT
CLASS="TYPE"
>regdictionary[]</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>dictionary</I
></TT
> <TT
CLASS="TYPE"
>regdictionary</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>lexemes</I
></TT
> <TT
CLASS="TYPE"
>text[]</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>test a configuration</TD
><TD
><TT
CLASS="LITERAL"
>ts_debug('english', 'The Brightest supernovaes')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(asciiword,"Word, all ASCII",The,{english_stem},english_stem,{}) ...</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_lexize(<TT
CLASS="REPLACEABLE"
><I
>dict</I
></TT
> <TT
CLASS="TYPE"
>regdictionary</TT
>, <TT
CLASS="REPLACEABLE"
><I
>token</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>text[]</TT
></TD
><TD
>test a dictionary</TD
><TD
><TT
CLASS="LITERAL"
>ts_lexize('english_stem', 'stars')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>{star}</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_parse(<TT
CLASS="REPLACEABLE"
><I
>parser_name</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, <TT
CLASS="REPLACEABLE"
><I
>document</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>tokid</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>token</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>test a parser</TD
><TD
><TT
CLASS="LITERAL"
>ts_parse('default', 'foo - bar')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(1,foo) ...</TT
></TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_parse(<TT
CLASS="REPLACEABLE"
><I
>parser_oid</I
></TT
> <TT
CLASS="TYPE"
>oid</TT
>, <TT
CLASS="REPLACEABLE"
><I
>document</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>tokid</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>token</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
></TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>test a parser</TD
><TD
><TT
CLASS="LITERAL"
>ts_parse(3722, 'foo - bar')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(1,foo) ...</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_token_type(<TT
CLASS="REPLACEABLE"
><I
>parser_name</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>tokid</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>alias</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>description</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>get token types defined by parser</TD
><TD
><TT
CLASS="LITERAL"
>ts_token_type('default')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(1,asciiword,"Word, all ASCII") ...</TT
></TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_token_type(<TT
CLASS="REPLACEABLE"
><I
>parser_oid</I
></TT
> <TT
CLASS="TYPE"
>oid</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>tokid</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>alias</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>description</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>)</CODE
></TT
></TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>get token types defined by parser</TD
><TD
><TT
CLASS="LITERAL"
>ts_token_type(3722)</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(1,asciiword,"Word, all ASCII") ...</TT
></TD
></TR
><TR
><TD
>         
         <TT
CLASS="LITERAL"
><CODE
CLASS="FUNCTION"
>ts_stat(<TT
CLASS="REPLACEABLE"
><I
>sqlquery</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, [<SPAN
CLASS="OPTIONAL"
> <TT
CLASS="REPLACEABLE"
><I
>weights</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, </SPAN
>] OUT <TT
CLASS="REPLACEABLE"
><I
>word</I
></TT
> <TT
CLASS="TYPE"
>text</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>ndoc</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>, OUT <TT
CLASS="REPLACEABLE"
><I
>nentry</I
></TT
> <TT
CLASS="TYPE"
>integer</TT
>)</CODE
></TT
>
        </TD
><TD
><TT
CLASS="TYPE"
>setof record</TT
></TD
><TD
>get statistics of a <TT
CLASS="TYPE"
>tsvector</TT
> column</TD
><TD
><TT
CLASS="LITERAL"
>ts_stat('SELECT vector from apod')</TT
></TD
><TD
><TT
CLASS="LITERAL"
>(foo,10,15) ...</TT
></TD
></TR
></TBODY
></TABLE
></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="functions-net.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="functions-xml.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Network Address Functions and Operators</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="functions.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>XML Functions</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>

Youez - 2016 - github.com/yon3zu
LinuXploit