On Sat, 28 Jun 2003, Kurt Roeckx wrote:
> On Thu, Jun 26, 2003 at 08:02:01AM -0400, Kris Jurka wrote:
> >
> >
> > On Thu, 26 Jun 2003, Manuel Gil [iso-8859-1] Pérez wrote:
> >
> > > Hi all.
> > >
> > > I have a Java application that it connects to the PostgreSQL database with
> > > IPv6 patch installed.
> > >
> > What exactly do you have for the URL in the first argument to
> > getConnection? If you have a direct IPv6 address like
> > jdbc:postgresql://::1 it will not work at the moment because it tries to
> > parse the url using the colon as a delimiter which works fine for IPv4
> > addresses, but not IPv6 see org.postgresql.Driver#parseURL for more info.
> >
> > What happens if you are using a name that resolves to an IPv6 address?
> > You're probably the first person to actually try this. I will look into
> > this further, but it may take me a while to get IPv6 up and running on my
> > machine.
>
> Did you get it working yet?
>
>
> Kurt
>
The following patch allows you to connect using an IPv6 address by
enclosing it in square brackets.
jdbc:postgresql://[::1]:5432/dbname
Additionally some minor cleanup to JDBC docs, adding <acronym> tags,
mentioning JDBC 3 support, and cross referencing the installation
instructions.
Kris Jurka
Index: src/interfaces/jdbc/org/postgresql/Driver.java.in
===================================================================
RCS file:
/projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/Driver.java.in,v
retrieving revision 1.30
diff -c -r1.30 Driver.java.in
*** src/interfaces/jdbc/org/postgresql/Driver.java.in 29 May 2003 04:39:51 -0000
1.30
--- src/interfaces/jdbc/org/postgresql/Driver.java.in 29 Jun 2003 11:15:53 -0000
***************
*** 272,277 ****
--- 272,288 ----
l_urlArgs = url.substring(l_qPos+1);
}
+ // look for an IPv6 address that is enclosed by []
+ // the upcoming parsing that uses colons as identifiers can't handle
+ // the colons in an IPv6 address.
+ int ipv6start = l_urlServer.indexOf("[");
+ int ipv6end = l_urlServer.indexOf("]");
+ String ipv6address = null;
+ if (ipv6start != -1 && ipv6end > ipv6start) {
+ ipv6address = l_urlServer.substring(ipv6start+1,ipv6end);
+ l_urlServer =
l_urlServer.substring(0,ipv6start)+"ipv6host"+l_urlServer.substring(ipv6end+1);
+ }
+
//parse the server part of the url
StringTokenizer st = new StringTokenizer(l_urlServer, ":/", true);
for (int count = 0; (st.hasMoreTokens()); count++)
***************
*** 345,350 ****
--- 356,365 ----
}
}
}
+
+ // if we extracted an IPv6 address out earlier put it back
+ if (ipv6address != null)
+ urlProps.put("PGHOST",ipv6address);
//parse the args part of the url
StringTokenizer qst = new StringTokenizer(l_urlArgs, "&");
Index: doc/src/sgml/jdbc.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql-server/doc/src/sgml/jdbc.sgml,v
retrieving revision 1.44
diff -c -r1.44 jdbc.sgml
*** doc/src/sgml/jdbc.sgml 7 Apr 2003 01:29:25 -0000 1.44
--- doc/src/sgml/jdbc.sgml 29 Jun 2003 11:15:54 -0000
***************
*** 33,39 ****
<para>
This section describes the steps you need to take before you can
! write or run programs that use the JDBC interface.
</para>
<sect2 id="jdbc-build">
--- 33,39 ----
<para>
This section describes the steps you need to take before you can
! write or run programs that use the <acronym>JDBC</> interface.
</para>
<sect2 id="jdbc-build">
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*** 49,63 ****
<para>
Alternatively you can build the driver from source, but you should
only need to do this if you are making changes to the source code.
! For details, refer to the <productname>PostgreSQL</> installation
! instructions. After installation, the driver should be found in
<filename><replaceable>PREFIX</>/share/java/postgresql.jar</filename>.
The resulting driver will be built for the version of Java you are
running. If you build with a 1.1 <acronym>JDK</> you will build a
! version that supports the JDBC 1 specification, if you build with
! a Java 2 <acronym>JDK</> (e.g., <acronym>JDK</> 1.2 or
! <acronym>JDK</> 1.3) you will build a version that supports the
! JDBC 2 specification.
</para>
</sect2>
--- 49,65 ----
<para>
Alternatively you can build the driver from source, but you should
only need to do this if you are making changes to the source code.
! For details, refer to the <productname>PostgreSQL</>
! <link linkend="installation">installation instructions</link>.
! After installation, the driver should be found in
<filename><replaceable>PREFIX</>/share/java/postgresql.jar</filename>.
The resulting driver will be built for the version of Java you are
running. If you build with a 1.1 <acronym>JDK</> you will build a
! version that supports the <acronym>JDBC</> 1 specification, if you build
! with a 1.2 or 1.3 <acronym>JDK</> you will build a version that supports
! the <acronym>JDBC</> 2 specification, and finally if you build with a
! 1.4 <acronym>JDK</acronym> you will build a version that supports the
! <acronym>JDBC</> 3 specification.
</para>
</sect2>
***************
*** 67,78 ****
<para>
To use the driver, the JAR archive (named
<filename>postgresql.jar</filename> if you built from source, otherwise
! it will likely be named <filename>jdbc&majorversion;-1.1.jar</filename> or
! <filename>jdbc&majorversion;-1.2.jar</filename> for the JDBC 1 and JDBC 2
versions
! respectively)
! needs to be included in the
! class path, either by putting it in the <envar>CLASSPATH</envar>
! environment variable, or by using flags on the
<command>java</command> command line.
</para>
--- 69,80 ----
<para>
To use the driver, the JAR archive (named
<filename>postgresql.jar</filename> if you built from source, otherwise
! it will likely be named <filename>pg&majorversion;jdbc1.jar</filename>,
! <filename>pg&majorversion;jdbc2.jar</filename>, or
! <filename>pg&majorversion;jdbc3.jar</filename> for the <acronym>JDBC</> 1,
! <acronym>JDBC</> 2, and <acronym>JDBC</> 3 versions respectively)
! needs to be included in the class path, either by putting it in the
! <envar>CLASSPATH</envar> environment variable, or by using flags on the
<command>java</command> command line.
</para>
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*** 81,87 ****
<acronym>JDBC</acronym> driver to access a database, and that
application is installed as
<filename>/usr/local/lib/myapp.jar</filename>. The PostgreSQL
! JDBC driver installed as
<filename>/usr/local/pgsql/share/java/postgresql.jar</>. To run
the application, we would use:
<programlisting>
--- 83,89 ----
<acronym>JDBC</acronym> driver to access a database, and that
application is installed as
<filename>/usr/local/lib/myapp.jar</filename>. The PostgreSQL
! <acronym>JDBC</> driver installed as
<filename>/usr/local/pgsql/share/java/postgresql.jar</>. To run
the application, we would use:
<programlisting>
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*** 113,120 ****
Also, the client authentication setup in the
<filename>pg_hba.conf</filename> file may need to be configured.
Refer to <xref linkend="client-authentication"> for details. The
! <acronym>JDBC</acronym> driver supports the trust, ident,
! password, md5, and crypt authentication methods.
</para>
</sect2>
</sect1>
--- 115,123 ----
Also, the client authentication setup in the
<filename>pg_hba.conf</filename> file may need to be configured.
Refer to <xref linkend="client-authentication"> for details. The
! <acronym>JDBC</acronym> driver supports the <literal>trust</>,
! <literal>ident</>, <literal>password</>, <literal>md5</>, and
! <literal>crypt</> authentication methods.
</para>
</sect2>
</sect1>
***************
*** 123,130 ****
<title>Initializing the Driver</title>
<para>
! This section describes how to load and initialize the JDBC driver
! in your programs.
</para>
<sect2 id="jdbc-import">
--- 126,133 ----
<title>Initializing the Driver</title>
<para>
! This section describes how to load and initialize the <acronym>JDBC</>
! driver in your programs.
</para>
<sect2 id="jdbc-import">
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*** 252,258 ****
</term>
<listitem>
<para>
! The host name of the server. Defaults to <literal>localhost</literal>.
</para>
</listitem>
</varlistentry>
--- 255,264 ----
</term>
<listitem>
<para>
! The host name of the server. Defaults to <literal>localhost</literal>. To
specify an IPv6 address your must enclose the <replaceable
class="parameter">host</replaceable> parameter with square brackets, for example:
! <programlisting>
! jdbc:postgresql://[::1]:5740/accounting
! </programlisting>
</para>
</listitem>
</varlistentry>
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*** 451,466 ****
</para>
</listitem>
- <listitem>
- <para>
- <classname>ResultSet</classname> is currently read only.
- You can not update data through the <classname>ResultSet</classname>.
- If you want to update data you need to do it the normal way
- by using the <acronym>SQL</acronym> statement <command>UPDATE</command>.
This is
- in conformance with the <acronym>JDBC</acronym> specification
- which does not require drivers to provide updatable result sets.
- </para>
- </listitem>
</itemizedlist>
</para>
</sect2>
--- 457,462 ----
***************
*** 606,616 ****
<para>
<xref linkend="jdbc-binary-data-example"> contains some examples on
! how to process binary data using the PostgreSQL JDBC driver.
</para>
<example id="jdbc-binary-data-example">
! <title>Processing Binary Data in JDBC</title>
<para>
For example, suppose you have a table containing the file names of
--- 602,612 ----
<para>
<xref linkend="jdbc-binary-data-example"> contains some examples on
! how to process binary data using the PostgreSQL <acronym>JDBC</> driver.
</para>
<example id="jdbc-binary-data-example">
! <title>Processing Binary Data in <acronym>JDBC</></title>
<para>
For example, suppose you have a table containing the file names of
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*** 2490,2501 ****
<title>Connection Pools and Data Sources</title>
<para>
! JDBC 2 introduced standard connection pooling features in an
! add-on API known as the <acronym>JDBC</acronym> 2.0 Optional
Package (also known as the <acronym>JDBC</acronym> 2.0
Standard Extension). These features have since been included in
! the core JDBC 3 API. The <productname>PostgreSQL</productname>
! <acronym>JDBC</acronym> drivers support these features if it has been compiled
with
<acronym>JDK</acronym> 1.3.x in combination with the
<acronym>JDBC</acronym> 2.0 Optional Package
(<acronym>JDBC</acronym> 2), or with <acronym>JDK</acronym> 1.4 or higher
--- 2486,2498 ----
<title>Connection Pools and Data Sources</title>
<para>
! <acronym>JDBC</> 2 introduced standard connection pooling features in an
! add-on <acronym>API</> known as the <acronym>JDBC</acronym> 2.0 Optional
Package (also known as the <acronym>JDBC</acronym> 2.0
Standard Extension). These features have since been included in
! the core <acronym>JDBC</> 3 <acronym>API</>. The
! <productname>PostgreSQL</productname> <acronym>JDBC</acronym> drivers
! support these features if it has been compiled with
<acronym>JDK</acronym> 1.3.x in combination with the
<acronym>JDBC</acronym> 2.0 Optional Package
(<acronym>JDBC</acronym> 2), or with <acronym>JDK</acronym> 1.4 or higher
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*** 2510,2516 ****
<title>Overview</title>
<para>
! The <acronym>JDBC</acronym> API provides a client
and a server interface for connection pooling. The client
interface is <literal>javax.sql.DataSource</literal>,
which is what application code will typically use to
--- 2507,2513 ----
<title>Overview</title>
<para>
! The <acronym>JDBC</acronym> <acronym>API</> provides a client
and a server interface for connection pooling. The client
interface is <literal>javax.sql.DataSource</literal>,
which is what application code will typically use to
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