Final markup for 7.1 hardcopy release. Mostly typo and table-fitting
adjustments. Note that many tables are being abused with *really* long description columns. Should probably shrink those columns to be more concise, and move some of the info to follow-on reference notes.
This commit is contained in:
Thomas G. Lockhart
parent
072174f941
commit
e6767a3205
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@ -8,7 +8,7 @@
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#
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#
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# IDENTIFICATION
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# $Header: /cvsroot/pgsql/doc/src/sgml/Makefile,v 1.35 2001/03/25 08:32:24 petere Exp $
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# $Header: /cvsroot/pgsql/doc/src/sgml/Makefile,v 1.36 2001/04/20 15:52:33 thomas Exp $
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#
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#----------------------------------------------------------------------------
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@ -20,7 +20,7 @@ include $(top_builddir)/src/Makefile.global
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.NOTPARALLEL:
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ifndef DOCBOOKSTYLE
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DOCBOOKSTYLE = /home/projects/pgsql/developers/thomas/db143.d/docbook
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DOCBOOKSTYLE = /home/projects/pgsql/developers/thomas/db162.d/docbook
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endif
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ifndef JADE
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thomas Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.14 2001/04/20 15:52:33 thomas Exp $
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-->
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<bibliography id="biblio">
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@ -236,7 +236,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thom
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<surname>Lockhart</surname>
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</editor>
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<pubdate>2000-05-01</pubdate>
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<pubdate>2001-04-13</pubdate>
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<publisher>
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<publishername>The PostgreSQL Global Development Group</publishername>
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</publisher>
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@ -262,7 +262,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thom
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<surname>Lockhart</surname>
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</editor>
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<pubdate>2000-05-01</pubdate>
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<pubdate>2001-04-13</pubdate>
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<publisher>
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<publishername>The PostgreSQL Global Development Group</publishername>
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</publisher>
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@ -288,7 +288,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thom
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<surname>Lockhart</surname>
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</editor>
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<pubdate>2000-05-01</pubdate>
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<pubdate>2001-04-13</pubdate>
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<publisher>
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<publishername>The PostgreSQL Global Development Group</publishername>
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</publisher>
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@ -314,7 +314,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thom
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<surname>Lockhart</surname>
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</editor>
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<pubdate>2000-05-01</pubdate>
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<pubdate>2001-04-13</pubdate>
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<publisher>
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<publishername>The PostgreSQL Global Development Group</publishername>
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</publisher>
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@ -340,7 +340,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/biblio.sgml,v 1.13 2000/05/02 20:01:51 thom
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<surname>Lockhart</surname>
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</editor>
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<pubdate>2000-05-01</pubdate>
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<pubdate>2001-04-13</pubdate>
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<publisher>
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<publishername>The PostgreSQL Global Development Group</publishername>
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</publisher>
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@ -1,6 +1,6 @@
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<!--
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Documentation of the system catalogs, directed toward PostgreSQL developers
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$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.14 2001/03/24 23:03:26 petere Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.15 2001/04/20 15:52:33 thomas Exp $
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-->
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<chapter id="catalogs">
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@ -1193,7 +1193,7 @@
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<entry>lancompiler</entry>
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<entry><type>text</type></entry>
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<entry></entry>
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<entry>not useful</entry>
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<entry>not currently used</entry>
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</row>
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</tbody>
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</tgroup>
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@ -1,4 +1,4 @@
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/charset.sgml,v 2.6 2001/01/19 04:47:50 tgl Exp $ -->
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/charset.sgml,v 2.7 2001/04/20 15:52:33 thomas Exp $ -->
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<chapter id="charset">
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<title>Localization</>
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@ -108,7 +108,7 @@ export LANG=sv_SE
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</row>
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<row>
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<entry>LC_CTYPE</>
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<entry>Character classification (What is a letter? What is the upper-case equivalent of this letter?)</>
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<entry>Character classification (What is a letter? The upper-case equivalent?)</>
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</row>
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<row>
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<entry>LC_MESSAGES</>
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@ -1,4 +1,4 @@
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/docguide.sgml,v 1.31 2001/02/17 16:52:53 tgl Exp $ -->
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/docguide.sgml,v 1.32 2001/04/20 15:52:33 thomas Exp $ -->
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<appendix label="DG2" id="docguide">
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<title>Documentation</title>
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@ -36,8 +36,8 @@
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</para>
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<para>
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The documentation is organized into several <quote>books</quote>
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with varyingly confusing names:
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The documentation is organized into several <quote>books</quote>:
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<itemizedlist>
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<listitem>
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<para>
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@ -49,6 +49,11 @@
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<citetitle>User's Guide</citetitle>: documents the query language environment
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</para>
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</listitem>
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<listitem>
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<para>
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<citetitle>Reference Manual</citetitle>: documents the query language
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</para>
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</listitem>
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<listitem>
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<para>
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<citetitle>Administrator's Guide</citetitle>: installation and server maintenance
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@ -68,8 +73,8 @@
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</listitem>
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</itemizedlist>
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All five books are available as HTML and Postscript. The
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<citetitle>User's Guide</citetitle> contains reference entries which
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All books are available as HTML and Postscript. The
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<citetitle>Reference Manual</citetitle> contains reference entries which
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are also shipped as man pages.
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</para>
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@ -1,4 +1,4 @@
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.56 2001/03/25 18:14:31 tgl Exp $ -->
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.57 2001/04/20 15:52:33 thomas Exp $ -->
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<chapter id="functions">
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<title>Functions and Operators</title>
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@ -440,15 +440,15 @@
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<tbody>
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<row>
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<entry>abs(<replaceable>x</replaceable>)</entry>
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<entry>(same as argument type)</entry>
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<entry>(same as x)</entry>
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<entry>absolute value</entry>
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<entry>abs(-17.4)</entry>
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<entry>17.4</entry>
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</row>
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<row>
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<entry>cbrt(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>cbrt(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>cube root</entry>
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<entry>cbrt(27.0)</entry>
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<entry>3.0</entry>
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@ -463,17 +463,17 @@
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</row>
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<row>
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<entry>degrees(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>convert radians to degrees</entry>
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<entry>degrees(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>radians to degrees</entry>
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<entry>degrees(0.5)</entry>
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<entry>28.6478897565412</entry>
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</row>
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<row>
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<entry>exp(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>exponential function</entry>
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<entry>exp(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>exponential</entry>
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<entry>exp(1.0)</entry>
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<entry>2.71828182845905</entry>
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</row>
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@ -487,25 +487,26 @@
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</row>
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<row>
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<entry>ln(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>ln(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>natural logarithm</entry>
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<entry>ln(2.0)</entry>
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<entry>0.693147180559945</entry>
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</row>
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<row>
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<entry>log(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>log(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>base 10 logarithm</entry>
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<entry>log(100.0)</entry>
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<entry>2.0</entry>
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</row>
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<row>
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<entry>log(<parameter>base</parameter> <type>numeric</type>, <parameter>x</parameter> <type>numeric</type>)</entry>
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<entry>log(<parameter>b</parameter> <type>numeric</type>,
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<parameter>x</parameter> <type>numeric</type>)</entry>
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<entry><type>numeric</type></entry>
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<entry>logarithm to specified base</entry>
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<entry>logarithm to base <parameter>b</parameter></entry>
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<entry>log(2.0, 64.0)</entry>
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<entry>6.0</entry>
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</row>
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@ -513,55 +514,56 @@
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<row>
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<entry>mod(<parameter>y</parameter>, <parameter>x</parameter>)</entry>
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<entry>(same as argument types)</entry>
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<entry>remainder (modulo) of the division <parameter>y</parameter>/<parameter>x</parameter></entry>
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<entry>remainder of <parameter>y</parameter>/<parameter>x</parameter></entry>
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<entry>mod(9,4)</entry>
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<entry>1</entry>
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</row>
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<row>
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<entry>pi()</entry>
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<entry><type>double precision</type></entry>
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<entry><type>dp</type></entry>
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<entry><quote>Pi</quote> constant</entry>
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<entry>pi()</entry>
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<entry>3.14159265358979</entry>
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</row>
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<row>
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<entry>pow(<type>double precision</type>, <type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>raise a number to the specified exponent</entry>
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<entry>pow(<parameter>e</parameter> <type>dp</type>,
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<parameter>n</parameter> <type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>raise a number to exponent <parameter>e</parameter></entry>
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<entry>pow(9.0, 3.0)</entry>
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<entry>729.0</entry>
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</row>
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<row>
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<entry>radians(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>convert degrees to radians</entry>
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<entry>radians(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>degrees to radians</entry>
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<entry>radians(45.0)</entry>
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<entry>0.785398163397448</entry>
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</row>
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<row>
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<entry>random()</entry>
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<entry><type>double precision</type></entry>
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<entry>a pseudo-random value between 0.0 to 1.0</entry>
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<entry><type>dp</type></entry>
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<entry>value between 0.0 to 1.0</entry>
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<entry>random()</entry>
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<entry></entry>
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</row>
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<row>
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<entry>round(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>round(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>round to nearest integer</entry>
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<entry>round(42.4)</entry>
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<entry>42</entry>
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</row>
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<row>
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<entry>round(<parameter>value</parameter> <type>numeric</type>, <parameter>scale</parameter> <type>integer</type>)</entry>
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<entry>round(<parameter>v</parameter> <type>numeric</type>, <parameter>s</parameter> <type>integer</type>)</entry>
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<entry><type>numeric</type></entry>
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<entry>round to specified number of decimal places</entry>
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<entry>round to <parameter>s</parameter> decimal places</entry>
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<entry>round(42.4382, 2)</entry>
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<entry>42.44</entry>
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</row>
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@ -574,25 +576,25 @@
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</row>
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-->
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<row>
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<entry>sqrt(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>sqrt(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>square root</entry>
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<entry>sqrt(2.0)</entry>
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<entry>1.4142135623731</entry>
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</row>
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<row>
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<entry>trunc(<type>double precision</type>)</entry>
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<entry><type>double precision</type></entry>
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<entry>truncate (toward zero)</entry>
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<entry>trunc(<type>dp</type>)</entry>
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<entry><type>dp</type></entry>
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<entry>truncate toward zero</entry>
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<entry>trunc(42.8)</entry>
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<entry>42</entry>
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</row>
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<row>
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<entry>trunc(<parameter>value</parameter> <type>numeric</type>, <parameter>scale</parameter> <type>integer</type>)</entry>
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<entry>trunc(<type>numeric</type>, <parameter>s</parameter> <type>integer</type>)</entry>
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<entry><type>numeric</type></entry>
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<entry>truncate to specified number of decimal places</entry>
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<entry>truncate to <parameter>s</parameter> decimal places</entry>
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<entry>round(42.4382, 2)</entry>
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<entry>42.43</entry>
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</row>
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@ -602,12 +604,16 @@
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</table>
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<para>
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In the table above, "<literal>dp</literal>" indicates <type>double precision</type>.
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The functions <function>exp</function>, <function>ln</function>,
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<function>log</function>, <function>pow</function>,
|
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<function>round</function> (1 argument), <function>sqrt</function>,
|
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and <function>trunc</function> (1 argument) are also available for
|
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the type <type>numeric</type> in place of <type>double
|
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precision</type>. Many of these functions are implemented on top
|
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precision</type>.
|
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Functions returning a <type>numeric</type> result take
|
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<type>numeric</type> input arguments, unless otherwise specified.
|
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Many of these functions are implemented on top
|
||||
of the host system's C library and behavior in boundary cases could
|
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therefore vary depending on the operating system.
|
||||
</para>
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|
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@ -800,7 +806,7 @@
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<thead>
|
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<row>
|
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<entry>Function</entry>
|
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<entry>Return type</entry>
|
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<entry>Return Type</entry>
|
||||
<entry>Description</entry>
|
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<entry>Example</entry>
|
||||
<entry>Result</entry>
|
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|
|
@ -840,8 +846,8 @@
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<entry>initcap(<type>text</type>)</entry>
|
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<entry><type>text</type></entry>
|
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<entry>Converts first letter of each word (whitespace separated) to upper case.</entry>
|
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<entry>initcap('hello thomas')</entry>
|
||||
<entry>Hello Thomas</entry>
|
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<entry>initcap('hi thomas')</entry>
|
||||
<entry>Hi Thomas</entry>
|
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</row>
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|
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<row>
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|
|
@ -1362,9 +1368,14 @@
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|||
or bounded repetitions are nested. An RE like, say,
|
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<literal>((((a{1,100}){1,100}){1,100}){1,100}){1,100}</literal>
|
||||
will (eventually) run almost any existing machine out of swap
|
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space.<footnote><para>This was written in 1994, mind you. The
|
||||
numbers have probably changed, but the problem
|
||||
persists.</para></footnote>
|
||||
space.
|
||||
<footnote>
|
||||
<para>
|
||||
This was written in 1994, mind you. The
|
||||
numbers have probably changed, but the problem
|
||||
persists.
|
||||
</para>
|
||||
</footnote>
|
||||
</para>
|
||||
<!-- end re_format.7 man page -->
|
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</sect2>
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|
|
@ -2026,8 +2037,8 @@
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<entry><literal>'Good number: 485'</literal></entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>to_char(485.8,'"Pre-decimal:"999" Post-decimal:" .999')</entry>
|
||||
<entry><literal>'Pre-decimal: 485 Post-decimal: .800'</literal></entry>
|
||||
<entry>to_char(485.8,'"Pre:"999" Post:" .999')</entry>
|
||||
<entry><literal>'Pre: 485 Post: .800'</literal></entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>to_char(12,'99V999')</entry>
|
||||
|
|
@ -2075,15 +2086,10 @@
|
|||
</thead>
|
||||
|
||||
<tbody>
|
||||
<![IGNORE[
|
||||
<!--
|
||||
These two functions don't seem to do what it says here, or anything
|
||||
reasonable at all for that matter.
|
||||
-->
|
||||
<row>
|
||||
<entry>age(timestamp)</entry>
|
||||
<entry>interval</entry>
|
||||
<entry>Subtract argument from current date, preserve years and months and days</entry>
|
||||
<entry>Subtract from today</entry>
|
||||
<entry>age(timestamp '1957-06-13')</entry>
|
||||
<entry>43 years 8 mons 3 days</entry>
|
||||
</row>
|
||||
|
|
@ -2091,17 +2097,15 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>age(timestamp, timestamp)</entry>
|
||||
<entry>interval</entry>
|
||||
<entry>preserve months and years</entry>
|
||||
<entry>age('now', timestamp '1957-06-13')</entry>
|
||||
<entry></entry>
|
||||
<entry>Subtract arguments</entry>
|
||||
<entry>age('2001-04-10', timestamp '1957-06-13')</entry>
|
||||
<entry>43 years 9 mons 27 days</entry>
|
||||
</row>
|
||||
]]>
|
||||
|
||||
<row>
|
||||
<entry>current_date</entry>
|
||||
<entry>date</entry>
|
||||
<entry>
|
||||
returns current date; see also <link
|
||||
<entry>Today's date; see <link
|
||||
linkend="functions-datetime-current">below</link>
|
||||
</entry>
|
||||
<entry></entry>
|
||||
|
|
@ -2111,8 +2115,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>current_time</entry>
|
||||
<entry>time</entry>
|
||||
<entry>
|
||||
returns current time (of day); see also <link
|
||||
<entry>Time of day; see <link
|
||||
linkend="functions-datetime-current">below</link>
|
||||
</entry>
|
||||
<entry></entry>
|
||||
|
|
@ -2122,8 +2125,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>current_timestamp</entry>
|
||||
<entry>timestamp</entry>
|
||||
<entry>
|
||||
returns current date and time; see also <link
|
||||
<entry>date and time; see also <link
|
||||
linkend="functions-datetime-current">below</link>
|
||||
</entry>
|
||||
<entry></entry>
|
||||
|
|
@ -2133,8 +2135,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>date_part(text, timestamp)</entry>
|
||||
<entry>double precision</entry>
|
||||
<entry>
|
||||
extract subfield from date/time value (equivalent to
|
||||
<entry>Get subfield (equivalent to
|
||||
<function>extract</function>); see also <link
|
||||
linkend="functions-datetime-datepart">below</link>
|
||||
</entry>
|
||||
|
|
@ -2145,8 +2146,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>date_part(text, interval)</entry>
|
||||
<entry>double precision</entry>
|
||||
<entry>
|
||||
extract subfield from interval value (equivalent to
|
||||
<entry>Get subfield (equivalent to
|
||||
<function>extract</function>); see also <link
|
||||
linkend="functions-datetime-datepart">below</link>
|
||||
</entry>
|
||||
|
|
@ -2157,8 +2157,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>date_trunc(text, timestamp)</entry>
|
||||
<entry>timestamp</entry>
|
||||
<entry>
|
||||
truncate date to specified precision; see also <link
|
||||
<entry>Truncate to specified precision; see also <link
|
||||
linkend="functions-datetime-trunc">below</link>
|
||||
</entry>
|
||||
<entry>date_trunc('hour', timestamp '2001-02-16 20:38:40')</entry>
|
||||
|
|
@ -2166,10 +2165,9 @@ reasonable at all for that matter.
|
|||
</row>
|
||||
|
||||
<row>
|
||||
<entry>extract(identifier from timestamp)</entry>
|
||||
<entry>extract(<parameter>field</parameter> from timestamp)</entry>
|
||||
<entry>double precision</entry>
|
||||
<entry>
|
||||
extract subfield from date/time value; see also <link
|
||||
<entry>Get subfield; see also <link
|
||||
linkend="functions-datetime-extract">below</link>
|
||||
</entry>
|
||||
<entry>extract(hour from timestamp '2001-02-16 20:38:40')</entry>
|
||||
|
|
@ -2177,10 +2175,9 @@ reasonable at all for that matter.
|
|||
</row>
|
||||
|
||||
<row>
|
||||
<entry>extract(identifier from interval)</entry>
|
||||
<entry>extract(<parameter>field</parameter> from interval)</entry>
|
||||
<entry>double precision</entry>
|
||||
<entry>
|
||||
extract subfield from interval value; see also <link
|
||||
<entry>Get subfield; see also <link
|
||||
linkend="functions-datetime-extract">below</link>
|
||||
</entry>
|
||||
<entry>extract(month from interval '2 years 3 months')</entry>
|
||||
|
|
@ -2190,7 +2187,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>isfinite(timestamp)</entry>
|
||||
<entry>boolean</entry>
|
||||
<entry>Returns true if the time stamp is finite (neither invalid nor infinity)</entry>
|
||||
<entry>Test for finite time stamp (neither invalid nor infinity)</entry>
|
||||
<entry>isfinite(timestamp '2001-02-16 21:28:30')</entry>
|
||||
<entry>true</entry>
|
||||
</row>
|
||||
|
|
@ -2198,7 +2195,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>isfinite(interval)</entry>
|
||||
<entry>boolean</entry>
|
||||
<entry>Returns true if the interval is finite in length</entry>
|
||||
<entry>Test for finite interval</entry>
|
||||
<entry>isfinite(interval '4 hours')</entry>
|
||||
<entry>true</entry>
|
||||
</row>
|
||||
|
|
@ -2206,8 +2203,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>now()</entry>
|
||||
<entry>timestamp</entry>
|
||||
<entry>
|
||||
returns current date and time (equivalent to
|
||||
<entry>Current date and time (equivalent to
|
||||
<function>current_timestamp</function>); see also <link
|
||||
linkend="functions-datetime-current">below</link>
|
||||
</entry>
|
||||
|
|
@ -2218,8 +2214,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>timeofday()</entry>
|
||||
<entry>text</entry>
|
||||
<entry>
|
||||
returns high-precision date and time; see also <link
|
||||
<entry>High-precision date and time; see also <link
|
||||
linkend="functions-datetime-current">below</link>
|
||||
</entry>
|
||||
<entry>timeofday()</entry>
|
||||
|
|
@ -2229,7 +2224,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>timestamp(date)</entry>
|
||||
<entry>timestamp</entry>
|
||||
<entry>convert date to timestamp</entry>
|
||||
<entry>Date to timestamp</entry>
|
||||
<entry>timestamp(date '2000-12-25')</entry>
|
||||
<entry>2000-12-25 00:00:00</entry>
|
||||
</row>
|
||||
|
|
@ -2237,7 +2232,7 @@ reasonable at all for that matter.
|
|||
<row>
|
||||
<entry>timestamp(date, time)</entry>
|
||||
<entry>timestamp</entry>
|
||||
<entry>combine date and time into a timestamp</entry>
|
||||
<entry>Date and time to a timestamp</entry>
|
||||
<entry>timestamp(date '1998-02-24',time '23:07')</entry>
|
||||
<entry>1998-02-24 23:07:00</entry>
|
||||
</row>
|
||||
|
|
@ -2260,8 +2255,8 @@ EXTRACT (<replaceable>field</replaceable> FROM <replaceable>source</replaceable>
|
|||
evaluates to type <type>timestamp</type> or <type>interval</type>.
|
||||
(Expressions of type <type>date</type> or <type>time</type> will
|
||||
be cast to <type>timestamp</type> and can therefore be used as
|
||||
well.) <replaceable>field</replaceable> is an identifier (not a
|
||||
string!) that selects what field to extract from the source value.
|
||||
well.) <replaceable>field</replaceable> is an identifier or
|
||||
string that selects what field to extract from the source value.
|
||||
The <function>extract</function> function returns values of type
|
||||
<type>double precision</type>.
|
||||
The following are valid values:
|
||||
|
|
@ -2283,7 +2278,9 @@ SELECT EXTRACT(CENTURY FROM TIMESTAMP '2001-02-16 20:38:40');
|
|||
</informalexample>
|
||||
|
||||
<para>
|
||||
Note that this is not really the century that the date is in.
|
||||
Note that the result for the century field is simply the year field
|
||||
divided by 100, and not the conventional definition which puts most
|
||||
years in the 1900's in the twentieth century.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
|
@ -2422,7 +2419,9 @@ SELECT EXTRACT(MILLENNIUM FROM TIMESTAMP '2001-02-16 20:38:40');
|
|||
</informalexample>
|
||||
|
||||
<para>
|
||||
Note that this is not really the millennium that the date is in.
|
||||
Note that the result for the millennium field is simply the year field
|
||||
divided by 1000, and not the conventional definition which puts
|
||||
years in the 1900's in the second millennium.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
|
@ -2577,8 +2576,8 @@ tz_minute
|
|||
|
||||
<anchor id="functions-datetime-datepart">
|
||||
<para>
|
||||
The <function>date_part</function> function is the traditional
|
||||
<productname>Postgres</productname> equivalent to the
|
||||
The <function>date_part</function> function is modeled on the traditional
|
||||
<productname>Ingres</productname> equivalent to the
|
||||
<acronym>SQL</acronym>-function <function>extract</function>:
|
||||
<synopsis>
|
||||
date_part('<replaceable>field</replaceable>', <replaceable>source</replaceable>)
|
||||
|
|
@ -3459,7 +3458,7 @@ SELECT NULLIF(value, '(none)') ...
|
|||
<title>Miscellaneous Functions</>
|
||||
<tgroup cols="3">
|
||||
<thead>
|
||||
<row><entry>Name</> <entry>Return type</> <entry>Description</></row>
|
||||
<row><entry>Name</> <entry>Return Type</> <entry>Description</></row>
|
||||
</thead>
|
||||
|
||||
<tbody>
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
<!--
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/geqo.sgml,v 1.15 2000/12/22 21:51:57 petere Exp $
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/geqo.sgml,v 1.16 2001/04/20 15:52:33 thomas Exp $
|
||||
Genetic Optimizer
|
||||
-->
|
||||
|
||||
|
|
@ -28,7 +28,7 @@ Genetic Optimizer
|
|||
<date>1997-10-02</date>
|
||||
</docinfo>
|
||||
|
||||
<title>Genetic Query Optimization in Database Systems</title>
|
||||
<title>Genetic Query Optimization</title>
|
||||
|
||||
<para>
|
||||
<note>
|
||||
|
|
|
|||
|
|
@ -1,9 +1,9 @@
|
|||
<!--
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/libpgeasy.sgml,v 2.4 2000/12/22 21:51:58 petere Exp $
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/libpgeasy.sgml,v 2.5 2001/04/20 15:52:33 thomas Exp $
|
||||
-->
|
||||
|
||||
<chapter id="pgeasy-chapter">
|
||||
<title id="pgeasy">libpgeasy - Simplified C Binding Library</title>
|
||||
<title id="pgeasy">libpgeasy - Simplified C Library</title>
|
||||
|
||||
<note>
|
||||
<title>Author</title>
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
<!--
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.12 2001/03/28 20:46:34 tgl Exp $
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.13 2001/04/20 15:52:33 thomas Exp $
|
||||
-->
|
||||
|
||||
<chapter id="mvcc">
|
||||
|
|
@ -101,6 +101,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/mvcc.sgml,v 2.12 2001/03/28 20:46:34 tgl Ex
|
|||
<thead>
|
||||
<row>
|
||||
<entry>
|
||||
Isolation Level
|
||||
</entry>
|
||||
<entry>
|
||||
Dirty Read
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
<Chapter id="user-manag">
|
||||
<title>Database User and Permission Management</title>
|
||||
<title>Database Users and Permissions</title>
|
||||
|
||||
<para>
|
||||
Managing database users and their privileges is in concept similar
|
||||
|
|
|
|||
Loading…
Reference in New Issue