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Second pass over run-time configuration system. Adjust priorities on some

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option settings. Sort out SIGHUP vs BACKEND -- there is no total ordering
here, so make explicit checks. Add comments explaining all of this.
Removed permissions check on SHOW command.

Add examine_subclass to the game, rename to SQL_inheritance to fit the
official data model better. Adjust documentation.

Standalone backend needs to reset all options before it starts. To
facilitate that, have IsUnderPostmaster be set by the postmaster itself,
don't wait for the magic -p switch.

Also make sure that all environment variables and argv's survive
init_ps_display(). Use strdup where necessary.

Have initdb make configuration files (postgresql.conf, pg_hba.conf) mode
0600 -- having configuration files is no fun if you can't edit them.
This commit is contained in:
Peter Eisentraut
2000-06-22 22:31:24 +00:00
parent bc06269495
commit c446509565
13 changed files with 228 additions and 179 deletions
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35
doc/src/sgml/advanced.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/advanced.sgml,v 1.14 2000/06/14 13:12:52 thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/advanced.sgml,v 1.15 2000/06/22 22:31:15 petere Exp $
-->
<chapter id="advanced">
@ -116,22 +116,25 @@ SELECT name, altitude
support this <quote>ONLY</quote> notation.
</para>
<para>
Deprecated: In previous versions of postgres, the default was not to
get access to child classes. By experience this was found to be error
prone. Under the old syntax, to get the sub-classes you append "*"
to the table name. For example
<programlisting>
<note>
<title>Deprecated</title>
<para>
In previous versions of <productname>Postgres</productname>, the
default was not to get access to child tables. This was found to
be error prone and is also in violation of SQL. Under the old
syntax, to get the sub-classes you append "*" to the table name.
For example
<programlisting>
SELECT * from cities*;
</programlisting>
This old behaviour is still available by using a SET command:
<programlisting>
SET EXAMINE_SUBCLASS TO on;
</programlisting>
</para>
</programlisting>
To get the old behavior, the set configuration option
<literal>SQL_Inheritance</literal> to off, e.g.,
<programlisting>
SET SQL_Inheritance TO OFF;
</programlisting>
or add a line in your <filename>postgresql.conf</filename> file.
</para>
</note>
</sect1>
<sect1>