source: server/databases/postgresql.xml@ 4e9561aa

10.0 10.1 11.0 11.1 11.2 11.3 12.0 12.1 7.10 7.4 7.5 7.6 7.6-blfs 7.6-systemd 7.7 7.8 7.9 8.0 8.1 8.2 8.3 8.4 9.0 9.1 basic bdubbs/svn elogind gnome kde5-13430 kde5-14269 kde5-14686 kea ken/TL2024 ken/inkscape-core-mods ken/tuningfonts krejzi/svn lazarus lxqt nosym perl-modules plabs/newcss plabs/python-mods python3.11 qt5new rahul/power-profiles-daemon renodr/vulkan-addition systemd-11177 systemd-13485 trunk upgradedb xry111/intltool xry111/llvm18 xry111/soup3 xry111/test-20220226 xry111/xf86-video-removal
Last change on this file since 4e9561aa was 4e9561aa, checked in by Ken Moffat <ken@…>, 12 years ago

Update to postgresql-9.0.6.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@9123 af4574ff-66df-0310-9fd7-8a98e5e911e0
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File size: 23.0 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY postgresql-download-http "http://gd.tuwien.ac.at/db/postgresql/source/v&postgresql-version;/postgresql-&postgresql-version;.tar.bz2">
8 <!ENTITY postgresql-download-ftp "ftp://ftp5.us.postgresql.org/pub/PostgreSQL/source/v&postgresql-version;/postgresql-&postgresql-version;.tar.bz2">
9 <!-- <!ENTITY postgresql-download-http "&sources-anduin-http;/p/postgresql-&postgresql-version;.tar.bz2">
10 <!ENTITY postgresql-download-ftp "&sources-anduin-ftp;/p/postgresql-&postgresql-version;.tar.bz2"> -->
11 <!ENTITY postgresql-md5sum "4ad7e4fc31ef8b8a75a3e4243933963f">
12 <!ENTITY postgresql-size "15 MB">
13 <!ENTITY postgresql-buildsize "163 MB (additional 138 MB to run the testsuite)">
14 <!ENTITY postgresql-time "1.6 SBU">
15]>
16
17<sect1 id="postgresql" xreflabel="PostgreSQL-&postgresql-version;">
18 <?dbhtml filename="postgresql.html"?>
19
20 <sect1info>
21 <othername>$LastChangedBy$</othername>
22 <date>$Date$</date>
23 </sect1info>
24
25 <title>PostgreSQL-&postgresql-version;</title>
26
27 <indexterm zone="postgresql">
28 <primary sortas="a-PostgreSQL">PostgreSQL</primary>
29 </indexterm>
30
31 <sect2 role="package">
32 <title>Introduction to PostgreSQL</title>
33
34 <para><application>PostgreSQL</application> is an advanced
35 object-relational database management system (ORDBMS), derived
36 from the Berkeley Postgres database management system.</para>
37
38 <para>There may be a more recent release available from the
39 <application>PostgreSQL</application> home page. You can check
40 <ulink url="http://www.postgresql.org/"/> and probably use the
41 existing BLFS instructions. Note that versions other than the one shown
42 in the download URLs have not been tested in a BLFS environment.</para>
43
44 &lfs70_checked;
45
46 <bridgehead renderas="sect3">Package Information</bridgehead>
47 <itemizedlist spacing="compact">
48 <listitem>
49 <para>Download (HTTP): <ulink url="&postgresql-download-http;"/></para>
50 </listitem>
51 <listitem>
52 <para>Download (FTP): <ulink url="&postgresql-download-ftp;"/></para>
53 </listitem>
54 <listitem>
55 <para>Download MD5 sum: &postgresql-md5sum;</para>
56 </listitem>
57 <listitem>
58 <para>Download size: &postgresql-size;</para>
59 </listitem>
60 <listitem>
61 <para>Estimated disk space required: &postgresql-buildsize;</para>
62 </listitem>
63 <listitem>
64 <para>Estimated build time: &postgresql-time;</para>
65 </listitem>
66 </itemizedlist>
67
68 <bridgehead renderas="sect3">PostgreSQL Dependencies</bridgehead>
69
70 <bridgehead renderas="sect4">Optional</bridgehead>
71 <para role="optional"><xref linkend="python"/>,
72 <xref linkend="tcl"/>,
73 <xref linkend="openssl"/>,
74 <xref linkend="libxml2"/>,
75 <xref linkend="libxslt"/>,
76 <xref linkend="openldap"/>,
77 <xref linkend="linux-pam"/>,
78 <!-- link is dead, no other suitable GSSAPI links found
79 <ulink url="http://www.pdc.kth.se/kth-krb/">krb4</ulink>, -->
80 <xref linkend="mitkrb"/> or <xref linkend="heimdal"/>, and
81 <ulink url="http://developer.apple.com/networking/bonjour/">Bonjour</ulink></para>
82
83 <bridgehead renderas="sect4">Optional (To Regenerate Documentation)</bridgehead>
84 <para role="optional"><xref linkend="sgml-dtd"/>,
85 <xref linkend="docbook-dsssl"/>,
86 <xref linkend="openjade"/>, and
87 <xref linkend="perl-sgmlspm"/></para>
88
89 <para condition="html" role="usernotes">User Notes:
90 <ulink url="&blfs-wiki;/postgresql"/></para>
91
92 </sect2>
93
94 <sect2 role="installation">
95 <title>Installation of PostgreSQL</title>
96
97 <para>Install <application>PostgreSQL</application> with the
98 following commands: </para>
99
100 <!-- commented : regeneration is unnecessary, and we don't tell people the
101 command to do it.
102 <para>If you intend to regenerate the html documentation, issue the
103 following command:</para>
104<screen><userinput>sed -i "s|dsssl-stylesheets|&amp; \\\\\n sgml/docbook/&amp;-&docbook-dsssl-version;|" \
105 configure</userinput></screen>-->
106
107 <para>Now configure and build the package:</para>
108
109<screen><userinput>./configure --prefix=/usr \
110 --docdir=/usr/share/doc/postgresql-&postgresql-version; \
111 --enable-thread-safety &amp;&amp;
112make</userinput></screen>
113
114 <para>To test the results, issue: <command>make check</command>.</para>
115
116 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
117
118<screen role="root"><userinput>make install &amp;&amp;
119make install-docs &amp;&amp;
120chown -v root:root /usr/share/doc/postgresql-&postgresql-version;/html/*</userinput></screen>
121
122 <note>
123 <para>If you are upgrading an existing system and are going to install
124 the new files over the old ones, then you should back up your data, shut
125 down the old server and follow the instructions in <ulink
126 url="http://www.postgresql.org/docs/8.1/static/install-upgrading.html">the
127 official <application>PostgreSQL</application> documentation</ulink>.</para>
128 </note>
129
130 <para>Initialize a database cluster with the following commands issued by the
131 <systemitem class="username">root</systemitem> user:</para>
132
133<screen role="root"><userinput>install -v -m700 -d /srv/pgsql/data &amp;&amp;
134groupadd -g 41 postgres &amp;&amp;
135useradd -c "PostgreSQL Server" -g postgres -d /srv/pgsql/data \
136 -u 41 postgres &amp;&amp;
137chown -v postgres /srv/pgsql/data &amp;&amp;
138su - postgres -c '/usr/bin/initdb -D /srv/pgsql/data'</userinput></screen>
139
140 <para>As the <systemitem class="username">root</systemitem> user, start the
141 database server with the following command:</para>
142
143<screen role="root"><userinput>su - postgres -c '/usr/bin/postmaster -D /srv/pgsql/data > \
144 /srv/pgsql/data/logfile 2&gt;&amp;1 &amp;'</userinput></screen>
145
146 <para>Still as user <systemitem class="username">root</systemitem>, create
147 a database and verify the installation:</para>
148
149<screen role="root"><userinput>su - postgres -c '/usr/bin/createdb test' &amp;&amp;
150echo "create table t1 ( name varchar(20), state_province varchar(20) );" \
151 | (su - postgres -c '/usr/bin/psql test ') &amp;&amp;
152echo "insert into t1 values ('Billy', 'NewYork');" \
153 | (su - postgres -c '/usr/bin/psql test ') &amp;&amp;
154echo "insert into t1 values ('Evanidus', 'Quebec');" \
155 | (su - postgres -c '/usr/bin/psql test ') &amp;&amp;
156echo "insert into t1 values ('Jesse', 'Ontario');" \
157 | (su - postgres -c '/usr/bin/psql test ') &amp;&amp;
158echo "select * from t1;" | (su - postgres -c '/usr/bin/psql test')</userinput></screen>
159
160 </sect2>
161
162 <sect2 role="commands">
163 <title>Command Explanations</title>
164
165 <!-- commented : regeneration is unnecessary, and we don't tell people the
166 command to do it.
167 <para><command>sed -i "s|dsssl-stylesheets|..."</command>: This command
168 puts an extra line in the <command>configure</command> script so that the
169 BLFS installed version of the DSSSL stylesheets are discovered.</para> -->
170
171 <para><parameter>--docdir=/usr/share/doc/postgresql-&postgresql-version;</parameter>:
172 This switch puts the html (and pdf, if created) docs in a versioned
173 directory.</para>
174
175 <para><parameter>--enable-thread-safety</parameter>: This switch makes the
176 client libraries thread-safe by allowing concurrent threads in
177 <filename class='libraryfile'>libpq</filename> and ECPG programs to safely
178 control their private connection handles.</para>
179
180 <para><option>--with-perl</option>: build the PL/Perl server-side language.
181 </para>
182
183 <para><option>--with-python</option>: build the PL/Python server-side
184 language.</para>
185
186 <para><option>--with-openssl</option>: build with support for
187 <application>OpenSSL</application> encrypted connections.</para>
188
189 <para><command>chown -R root:root /usr/share/doc/postgresql/html/*</command>:
190 This command corrects the improper ownership of documentation files.</para>
191
192 <para><command>groupadd ...</command>; <command>useradd ...</command>:
193 These commands add an unprivileged user and group to run the database
194 server.</para>
195
196 <para><command>createdb test; create table t1; insert into t1 values...;
197 select * from t1</command>: Create a database, add a table to it, insert
198 some rows into the table and select them to verify that the installation
199 is working properly.</para>
200
201 </sect2>
202
203 <sect2 role="configuration">
204 <title>Configuring PostgreSQL</title>
205
206 <sect3 id="postgresql-config">
207 <title>Config Files</title>
208
209 <para><filename>$PGDATA/pg_ident.con</filename>,
210 <filename>$PGDATA/pg_hba.conf</filename> and
211 <filename>$PGDATA/postgresql.conf</filename></para>
212
213 <indexterm zone="postgresql postgresql-config">
214 <primary sortas="e-A.PGDATA-pg_ident.con">$PGDATA/pg_indent.con</primary>
215 </indexterm>
216
217 <indexterm zone="postgresql postgresql-config">
218 <primary sortas="e-A.PGDATA-pg_hba.conf">$PGDATA/pg_hba_conf</primary>
219 </indexterm>
220
221 <indexterm zone="postgresql postgresql-config">
222 <primary sortas="e-A.PGDATA-postgresql.conf">$PGDATA/postgresql.conf</primary>
223 </indexterm>
224
225 <para>The <envar>PGDATA</envar> environment variable is used to
226 distinguish database clusters from one another by setting it to
227 the value of the directory which contains the cluster desired.
228 The three configuration files exist in every <filename
229 class="directory">PGDATA/</filename> directory. Details on the
230 format of the files and the options that can be set in each can
231 be found in <ulink
232 url="file:///usr/share/doc/postgresql/html/index.html"/>.</para>
233
234 </sect3>
235
236 <sect3 id="postgresql-init">
237 <title>Boot Script</title>
238
239 <para>Install the <filename>/etc/rc.d/init.d/postgresql</filename>
240 init script included in the
241 <xref linkend="bootscripts"/> package.</para>
242
243 <indexterm zone="postgresql postgresql-init">
244 <primary sortas="f-postgresql">postgresql</primary>
245 </indexterm>
246
247<screen role="root"><userinput>make install-postgresql</userinput></screen>
248
249 </sect3>
250
251 </sect2>
252
253 <sect2 role="content">
254 <title>Contents</title>
255
256 <segmentedlist>
257 <segtitle>Installed Programs</segtitle>
258 <segtitle>Installed Libraries</segtitle>
259 <segtitle>Installed Directories</segtitle>
260
261 <seglistitem>
262 <seg>clusterdb, createdb, createlang, createuser, dropdb, droplang,
263 dropuser, ecpg, initdb, ipcclean, pg_config, pg_controldata, pg_ctl,
264 pg_dump, pg_dumpall, pg_resetxlog, pg_restore, pltcl_delmod,
265 pltcl_listmod, pltcl_loadmod, postgres, postmaster, psql,
266 reindexdb, and vacuumdb</seg>
267 <seg>libecpg.{so,a}, libecpg_compat.{so,a}, libpgport.a, libpgtypes.{so,a},
268 libpq.{so,a}, and various charset modules.</seg>
269 <seg>/srv/pgsql, /usr/include/libpq, /usr/include/postgresql,
270 /usr/lib/postgresql, /usr/share/doc/postgresql, and
271 /usr/share/postgresql</seg>
272 </seglistitem>
273 </segmentedlist>
274
275 <variablelist>
276 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
277 <?dbfo list-presentation="list"?>
278 <?dbhtml list-presentation="table"?>
279
280 <varlistentry id="clusterdb">
281 <term><command>clusterdb</command></term>
282 <listitem>
283 <para>is a utility for reclustering tables in a
284 <application>PostgreSQL</application> database.</para>
285 <indexterm zone="postgresql clusterdb">
286 <primary sortas="b-clusterdb">clusterdb</primary>
287 </indexterm>
288 </listitem>
289 </varlistentry>
290
291 <varlistentry id="createdb">
292 <term><command>createdb</command></term>
293 <listitem>
294 <para> creates a new <application>PostgreSQL</application>
295 database.</para>
296 <indexterm zone="postgresql createdb">
297 <primary sortas="b-createdb">createdb</primary>
298 </indexterm>
299 </listitem>
300 </varlistentry>
301
302 <varlistentry id="createlang">
303 <term><command>createlang</command></term>
304 <listitem>
305 <para>defines a new <application>PostgreSQL</application> procedural
306 language.</para>
307 <indexterm zone="postgresql createlang">
308 <primary sortas="b-createlang">createlang</primary>
309 </indexterm>
310 </listitem>
311 </varlistentry>
312
313 <varlistentry id="createuser">
314 <term><command>createuser</command></term>
315 <listitem>
316 <para>defines a new <application>PostgreSQL</application>
317 user account.</para>
318 <indexterm zone="postgresql createuser">
319 <primary sortas="b-createuser">createuser</primary>
320 </indexterm>
321 </listitem>
322 </varlistentry>
323
324 <varlistentry id="dropdb">
325 <term><command>dropdb</command></term>
326 <listitem>
327 <para>removes a <application>PostgreSQL</application> database.</para>
328 <indexterm zone="postgresql dropdb">
329 <primary sortas="b-dropdb">dropdb</primary>
330 </indexterm>
331 </listitem>
332 </varlistentry>
333
334 <varlistentry id="droplang">
335 <term><command>droplang</command></term>
336 <listitem>
337 <para>removes a <application>PostgreSQL</application> procedural
338 language.</para>
339 <indexterm zone="postgresql droplang">
340 <primary sortas="b-droplang">droplang</primary>
341 </indexterm>
342 </listitem>
343 </varlistentry>
344
345 <varlistentry id="dropuser">
346 <term><command>dropuser</command></term>
347 <listitem>
348 <para>removes a <application>PostgreSQL</application>
349 user account.</para>
350 <indexterm zone="postgresql dropuser">
351 <primary sortas="b-dropuser">dropuser</primary>
352 </indexterm>
353 </listitem>
354 </varlistentry>
355
356 <varlistentry id="ecpg">
357 <term><command>ecpg</command></term>
358 <listitem>
359 <para>is the embedded SQL preprocessor.</para>
360 <indexterm zone="postgresql ecpg">
361 <primary sortas="b-ecpg">ecpg</primary>
362 </indexterm>
363 </listitem>
364 </varlistentry>
365
366 <varlistentry id="initdb">
367 <term><command>initdb</command></term>
368 <listitem>
369 <para>creates a new database cluster.</para>
370 <indexterm zone="postgresql initdb">
371 <primary sortas="b-initdb">initdb</primary>
372 </indexterm>
373 </listitem>
374 </varlistentry>
375
376 <varlistentry id="ipcclean">
377 <term><command>ipcclean</command></term>
378 <listitem>
379 <para>removes shared memory and semaphores left over by an aborted
380 database server.</para>
381 <indexterm zone="postgresql ipcclean">
382 <primary sortas="b-ipcclean">ipcclean</primary>
383 </indexterm>
384 </listitem>
385 </varlistentry>
386
387 <varlistentry id="pg_config">
388 <term><command>pg_config</command></term>
389 <listitem>
390 <para>retrieves <application>PostgreSQL</application> version
391 information.</para>
392 <indexterm zone="postgresql pg_config">
393 <primary sortas="b-pg_config">pg_config</primary>
394 </indexterm>
395 </listitem>
396 </varlistentry>
397
398 <varlistentry id="pg_controldata">
399 <term><command>pg_controldata</command></term>
400 <listitem>
401 <para>returns information initialized during
402 <command>initdb</command>, such as the catalog version and server
403 locale.</para>
404 <indexterm zone="postgresql pg_controldata">
405 <primary sortas="b-pg_controldata">pg_controldata</primary>
406 </indexterm>
407 </listitem>
408 </varlistentry>
409
410 <varlistentry id="pg_ctl">
411 <term><command>pg_ctl</command></term>
412 <listitem>
413 <para>controls stopping and starting the database server.</para>
414 <indexterm zone="postgresql pg_ctl">
415 <primary sortas="b-pg_ctl">pg_ctl</primary>
416 </indexterm>
417 </listitem>
418 </varlistentry>
419
420 <varlistentry id="pg_dump">
421 <term><command>pg_dump</command></term>
422 <listitem>
423 <para>dumps database data and metadata into scripts which are used
424 to recreate the database.</para>
425 <indexterm zone="postgresql pg_dump">
426 <primary sortas="b-pg_dump">pg_dump</primary>
427 </indexterm>
428 </listitem>
429 </varlistentry>
430
431 <varlistentry id="pg_dumpall">
432 <term><command>pg_dumpall</command></term>
433 <listitem>
434 <para>recursively calls <command>pg_dump</command> for each
435 database in a cluster.</para>
436 <indexterm zone="postgresql pg_dumpall">
437 <primary sortas="b-pg_dumpall">pg_dumpall</primary>
438 </indexterm>
439 </listitem>
440 </varlistentry>
441
442 <varlistentry id="pg_resetxlog">
443 <term><command>pg_resetxlog</command></term>
444 <listitem>
445 <para>clears the write-ahead log and optionally resets some
446 fields in the <filename>pg_control</filename> file.</para>
447 <indexterm zone="postgresql pg_resetxlog">
448 <primary sortas="b-pg_resetxlog">pg_resetxlog</primary>
449 </indexterm>
450 </listitem>
451 </varlistentry>
452
453 <varlistentry id="pg_restore">
454 <term><command>pg_restore</command></term>
455 <listitem>
456 <para>creates databases from dump files created by
457 <command>pg_dump</command>.</para>
458 <indexterm zone="postgresql pg_restore">
459 <primary sortas="b-pg_restore">pg_restore</primary>
460 </indexterm>
461 </listitem>
462 </varlistentry>
463
464 <varlistentry id="pltcl_delmod">
465 <term><command>pltcl_delmod</command></term>
466 <listitem>
467 <para>is a support script used to delete a module from a
468 PL/<application>Tcl</application> table. The command
469 requires the <ulink
470 url="http://gborg.postgresql.org/project/pgtcl/">Pgtcl</ulink>
471 package to be installed also.</para>
472 <indexterm zone="postgresql pltcl_delmod">
473 <primary sortas="b-pltcl_delmod">pltcl_delmod</primary>
474 </indexterm>
475 </listitem>
476 </varlistentry>
477
478 <varlistentry id="pltcl_listmod">
479 <term><command>pltcl_listmod</command></term>
480 <listitem>
481 <para>is a support script used to list the modules in a
482 PL/<application>Tcl</application> table. The command
483 requires the <ulink
484 url="http://gborg.postgresql.org/project/pgtcl/">Pgtcl</ulink>
485 package to be installed also.</para>
486 <indexterm zone="postgresql pltcl_listmod">
487 <primary sortas="b-pltcl_listmod">pltcl_listmod</primary>
488 </indexterm>
489 </listitem>
490 </varlistentry>
491
492 <varlistentry id="pltcl_loadmod">
493 <term><command>pltcl_loadmod</command></term>
494 <listitem>
495 <para>is a support script used to load a module into a
496 PL/<application>Tcl</application> table. The command
497 requires the <ulink
498 url="http://gborg.postgresql.org/project/pgtcl/">Pgtcl</ulink>
499 package to be installed also.</para>
500 <indexterm zone="postgresql pltcl_loadmod">
501 <primary sortas="b-pltcl_loadmod">pltcl_loadmod</primary>
502 </indexterm>
503 </listitem>
504 </varlistentry>
505
506 <varlistentry id="postgres">
507 <term><command>postgres</command></term>
508 <listitem>
509 <para>is a single user database server, generally used for
510 debugging.</para>
511 <indexterm zone="postgresql postgres">
512 <primary sortas="b-postgres">postgres</primary>
513 </indexterm>
514 </listitem>
515 </varlistentry>
516
517 <varlistentry id="postmaster">
518 <term><command>postmaster</command></term>
519 <listitem>
520 <para>(a symlink to <command>postgres</command>) is a multi-user
521 database daemon.</para>
522 <indexterm zone="postgresql postmaster">
523 <primary sortas="b-postmaster">postmaster</primary>
524 </indexterm>
525 </listitem>
526 </varlistentry>
527
528 <varlistentry id="psql">
529 <term><command>psql</command></term>
530 <listitem>
531 <para>is a console based database shell.</para>
532 <indexterm zone="postgresql psql">
533 <primary sortas="b-psql">psql</primary>
534 </indexterm>
535 </listitem>
536 </varlistentry>
537
538 <varlistentry id="reindexdb">
539 <term><command>reindexdb</command></term>
540 <listitem>
541 <para>is a utility for rebuilding indexes in a database.</para>
542 <indexterm zone="postgresql reindexdb">
543 <primary sortas="b-reindexdb">reindexdb</primary>
544 </indexterm>
545 </listitem>
546 </varlistentry>
547
548 <varlistentry id="vacuumdb">
549 <term><command>vacuumdb</command></term>
550 <listitem>
551 <para>compacts databases and generates statistics for the query
552 analyzer.</para>
553 <indexterm zone="postgresql vacuumdb">
554 <primary sortas="b-vacuumdb">vacuumdb</primary>
555 </indexterm>
556 </listitem>
557 </varlistentry>
558
559 <varlistentry id="libecpg">
560 <term><filename class='libraryfile'>libecpg.{so,a}</filename></term>
561 <listitem>
562 <para>contains functions to support embedded SQL in C programs.</para>
563 <indexterm zone="postgresql libecpg">
564 <primary sortas="c-libecpg">libecpg.{so,a}</primary>
565 </indexterm>
566 </listitem>
567 </varlistentry>
568
569 <varlistentry id="libecpg_compat">
570 <term><filename class='libraryfile'>libecpg_compat.{so,a}</filename></term>
571 <listitem>
572 <para>is the ecpg compatability library.</para>
573 <indexterm zone="postgresql libecpg_compat">
574 <primary sortas="c-libecpg_compat">libecpg_compat.{so,a}</primary>
575 </indexterm>
576 </listitem>
577 </varlistentry>
578
579 <varlistentry id="libgport">
580 <term><filename class='libraryfile'>libgport.a</filename></term>
581 <listitem>
582 <para>is the port-specific subsystem of the Postgres backend.</para>
583 <indexterm zone="postgresql libgport">
584 <primary sortas="c-libgport">libgport.a</primary>
585 </indexterm>
586 </listitem>
587 </varlistentry>
588
589 <varlistentry id="libpgtypes">
590 <term><filename class='libraryfile'>libpgtypes.{so,a}</filename></term>
591 <listitem>
592 <para>contains functions for dealing with Postgres data types.</para>
593 <indexterm zone="postgresql libpgtypes">
594 <primary sortas="c-libpgtypes">libpgtypes.{so,a}</primary>
595 </indexterm>
596 </listitem>
597 </varlistentry>
598
599 <varlistentry id="libpq">
600 <term><filename class='libraryfile'>libpq.{so,a}</filename></term>
601 <listitem>
602 <para>is the C programmer's API to Postgres.</para>
603 <indexterm zone="postgresql libpq">
604 <primary sortas="c-libpq">libpq.{so,a}</primary>
605 </indexterm>
606 </listitem>
607 </varlistentry>
608
609 </variablelist>
610
611 </sect2>
612
613</sect1>
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