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Allow optional () after current_user, session_user, user, current_time,

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current_timestamp, current_date for ODBC compatibility.

Add more functions to odbc.sql catalog extension, use new CREATE OR
REPLACE FUNCTION.

Document iODBC/unixODBC build options.
This commit is contained in:
Peter Eisentraut
2001-10-09 22:32:33 +00:00
parent 839b9bc011
commit ec5c62874d
5 changed files with 292 additions and 166 deletions
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36
doc/src/sgml/installation.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.60 2001/10/09 18:46:00 petere Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.61 2001/10/09 22:32:32 petere Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
@ -696,7 +696,25 @@ su - postgres
<term><option>--enable-odbc</option></term>
<listitem>
<para>
Build the ODBC driver package.
Build the ODBC driver.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--with-iodbc</option></term>
<listitem>
<para>
Build the ODBC driver for use with <productname>iODBC</>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--with-unixodbc</option></term>
<listitem>
<para>
Build the ODBC driver for use with <productname>unixODBC</>.
</para>
</listitem>
</varlistentry>
@ -708,10 +726,16 @@ su - postgres
Specifies the directory where the ODBC driver will expect its
<filename>odbcinst.ini</> configuration file. The default is
<filename>/usr/local/pgsql/etc</filename> or whatever you
specified as <option>--sysconfdir</option>. A default file
will be installed there. If you intend to share the
<filename>odbcinst.ini</> file between several ODBC drivers
then you may want to use this option.
specified as <option>--sysconfdir</option>. It should be
arranged that the driver reads the same file as the driver
manager.
</para>
<para>
If either the option <option>--with-iodbc</option> or the
option <option>--with-unixodbc</option> is used, this option
will be ignored because in that case the driver manager
handles the location of the configuration file.
</para>
</listitem>
</varlistentry>

104
doc/src/sgml/odbc.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.24 2001/09/13 15:55:23 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.25 2001/10/09 22:32:32 petere Exp $
-->
<chapter id="odbc">
@ -80,39 +80,69 @@ $Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.24 2001/09/13 15:55:23
<title>Installation</title>
<para>
The first thing to note about the <productname>psqlODBC</> driver
(or any <acronym>ODBC</> driver) is that there must exist a
<firstterm>driver manager</> on the system where the
<acronym>ODBC</> driver is to be used. There exists a free
<acronym>ODBC</> driver for Unix called
<indexterm><primary>iODBC</primary></indexterm>
<productname>iODBC</> which can be obtained via <ulink
url="http://www.iodbc.org">http://www.iodbc.org</ulink>.
Instructions for installing <productname>iODBC</> are contained in
the <productname>iODBC</> distribution. Having said that, any
driver manager that you can find for your platform should support
the <productname>psqlODBC</> driver, or any other <acronym>ODBC</>
driver for that matter.
In order to make use of an <acronym>ODBC</> driver there must
exist a <firstterm>driver manager</> on the system where the
<acronym>ODBC</> driver is to be used. There are two free
<acronym>ODBC</> driver managers for Unix-like operating systems
known to us: <indexterm><primary>iODBC</primary></indexterm>
<ulink url="http://www.iodbc.org"><productname>iODBC</></ulink>
and <indexterm><primary>unixODBC</primary></indexterm> <ulink
url="http://www.unixodbc.org"><productname>unixODBC</></ulink>.
Instructions for installing these driver managers are to be found
in the respective distribution. Software that provides database
access through <acronym>ODBC</acronym> should provide its own
driver manager (which may well be one of these two). Having said
that, any driver manager that you can find for your platform
should support the <productname>PostgreSQL</> <acronym>ODBC</>
driver, or any other <acronym>ODBC</> driver for that matter.
</para>
<note>
<para>
The <productname>unixODBC</> distribution ships with a
<productname>PostgreSQL</> <acronym>ODBC</> driver of its own,
which is similar to the one contained in the
<productname>PostgreSQL</> distribution. It is up to you which
one you want to use. We plan to coordinate the development of
both drivers better in the future.
</para>
</note>
<para>
To install the <acronym>ODBC</> you simply need to supply the
<option>--enable-odbc</> option to the <filename>configure</>
script when you are building the entire <productname>PostgreSQL</>
distribution. The library will then automatically be built and
installed with the rest of the programs. If you forget that option
or want to build the ODBC driver later you can change into the
directory <filename>src/interfaces/odbc</> and do <literal>make</>
and <literal>make install</> there.
</para>
<para>
To install <productname>psqlODBC</> you simply need to supply the
<option>--enable-odbc</> option to the <filename>configure</> script when you are
building the entire <productname>PostgreSQL</> distribution. The library
and header files will then automatically be built and installed with the
rest of the programs. If you forget that option or want to build the ODBC
driver later you can change into the directory <filename>src/interfaces/odbc</>
and do <literal>make</> and <literal>make install</> there.
It is also possible to build the driver to be specifically tuned
for use with <productname>iODBC</> or <productname>unixODBC</>.
This means in particular that the driver will use the driver
manager's routines to process the configuration files, which is
probably desirable since it creates a more consistent
<acronym>ODBC</> environment on your system. If you want to do
that, then supply the <filename>configure</> options
<option>--with-iodbc</> or <option>--with-unixodbc</> (but not
both).
</para>
<para>
The installation-wide configuration file <filename>odbcinst.ini</> will be
installed into the directory <filename>/usr/local/pgsql/etc/</>, or equivalent,
depending on what <option>--prefix</> and/or <option>--sysconfdir</> options
you supplied to <filename>configure</>. Since this file can also be shared
between different <acronym>ODBC</> drivers you can also install it in a shared
location. To do that, override the location of this file with the
<option>--with-odbcinst</> option.
If you build a <quote>stand-alone</quote> driver (not tied to
<productname>iODBC</> or <productname>unixODBC</>), then you can
specify where the driver should look for the configuration file
<filename>odbcinst.ini</>. By default it will be the directory
<filename>/usr/local/pgsql/etc/</>, or equivalent, depending on
what <option>--prefix</> and/or <option>--sysconfdir</> options
you supplied to <filename>configure</>. To select a specific
location outside the <productname>PostgreSQL</> installation
layout, use the <option>--with-odbcinst</> option. To be most
useful, it should be arranged that the driver and the driver
manager read the same configuration file.
</para>
<para>
@ -125,20 +155,12 @@ $Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.24 2001/09/13 15:55:23
psql -d template1 -f <replaceable>LOCATION</>/odbc.sql
</programlisting>
where specifying <literal>template1</literal> as the target
database will ensure that all subsequent new databases will
have these same definitions.
database will ensure that all subsequent new databases will have
these same definitions. If for any reason you want to remove
these functions again, run the file
<filename>odbc-drop.sql</filename> through
<command>psql</command>.
</para>
<sect2>
<title>Supported Platforms</title>
<para>
<productname>psqlODBC</productname> has been built and tested
on <systemitem class="osname">Linux</>. There have been reports of success
with <systemitem class="osname">FreeBSD</> and with <systemitem class="osname">Solaris</>. There are no known restrictions
on the basic code for other platforms which already support
<productname>Postgres</productname>.
</para>
</sect2>
</sect1>
<sect1 id="odbc-config">