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Update feature list for SQL:2008.

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This commit is contained in:
Peter Eisentraut
2008-10-18 00:35:32 +00:00
parent af59a0650b
commit 123c8efd89
3 changed files with 160 additions and 25 deletions
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24
doc/src/sgml/features.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/features.sgml,v 2.27 2007/02/03 17:59:35 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/features.sgml,v 2.28 2008/10/18 00:35:32 petere Exp $ -->
<appendix id="features">
<title>SQL Conformance</title>
@ -14,10 +14,9 @@
<para>
The formal name of the SQL standard is ISO/IEC 9075 <quote>Database
Language SQL</quote>. A revised version of the standard is released
from time to time; the most recent full update appearing in 2003,
with a partial update appearing in 2006. The 2003 version is
referred to as ISO/IEC 9075:2003, or simply as SQL:2003. The
versions prior to that were SQL:1999 and SQL-92. Each version
from time to time; the most recent update appearing in 2008.
The 2008 version is referred to as ISO/IEC 9075:2008, or simply as SQL:2008.
The versions prior to that were SQL:2003, SQL:1999, and SQL-92. Each version
replaces the previous one, so claims of conformance to earlier
versions have no official merit.
<productname>PostgreSQL</productname> development aims for
@ -53,7 +52,8 @@
</para>
<para>
The <acronym>SQL:2003</acronym> standard is also split into a number
The <acronym>SQL:2008</acronym> and <acronym>SQL:2003</acronym>
standard versions are also split into a number
of parts. Each is known by a shorthand name. Note that these parts
are not consecutively numbered.
@ -79,18 +79,18 @@
</para>
<para>
PostgreSQL supports most of the major features of SQL:2003. Out of
164 mandatory features required for full Core conformance,
PostgreSQL conforms to at least 150. In addition, there is a long
PostgreSQL supports most of the major features of SQL:2008. Out of
179 mandatory features required for full Core conformance,
PostgreSQL conforms to at least 160. In addition, there is a long
list of supported optional features. It might be worth noting that at
the time of writing, no current version of any database management
system claims full conformance to Core SQL:2003.
system claims full conformance to Core SQL:2008.
</para>
<para>
In the following two sections, we provide a list of those features
that <productname>PostgreSQL</productname> supports, followed by a
list of the features defined in <acronym>SQL:2003</acronym> which
list of the features defined in <acronym>SQL:2008</acronym> which
are not yet supported in <productname>PostgreSQL</productname>.
Both of these lists are approximate: There might be minor details that
are nonconforming for a feature that is listed as supported, and
@ -133,7 +133,7 @@
<title>Unsupported Features</title>
<para>
The following features defined in <acronym>SQL:2003</acronym> are not
The following features defined in <acronym>SQL:2008</acronym> are not
implemented in this release of
<productname>PostgreSQL</productname>. In a few cases, equivalent
functionality is available.

4
doc/src/sgml/mk_feature_tables.pl
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@ -1,6 +1,6 @@
# /usr/bin/perl -w
# $PostgreSQL: pgsql/doc/src/sgml/mk_feature_tables.pl,v 2.2 2006/03/11 04:38:30 momjian Exp $
# $PostgreSQL: pgsql/doc/src/sgml/mk_feature_tables.pl,v 2.3 2008/10/18 00:35:32 petere Exp $
my $yesno = $ARGV[0];
@ -30,6 +30,8 @@ while (<FEAT>) {
$is_supported eq $yesno || next;
$feature_name =~ s/</&lt;/g;
$feature_name =~ s/>/&gt;/g;
$subfeature_name =~ s/</&lt;/g;
$subfeature_name =~ s/>/&gt;/g;