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Simplify handling of the timezone GUC by making initdb choose the default.

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We were doing some amazingly complicated things in order to avoid running
the very expensive identify_system_timezone() procedure during GUC
initialization.  But there is an obvious fix for that, which is to do it
once during initdb and have initdb install the system-specific default into
postgresql.conf, as it already does for most other GUC variables that need
system-environment-dependent defaults.  This means that the timezone (and
log_timezone) settings no longer have any magic behavior in the server.
Per discussion.
This commit is contained in:
Tom Lane
2011-09-09 17:59:11 -04:00
parent a7801b62f2
commit ca4af308c3
19 changed files with 1373 additions and 1368 deletions
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4
doc/src/sgml/ref/set.sgml
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@@ -239,9 +239,7 @@ SELECT setseed(<replaceable>value</replaceable>);
<listitem>
<para>
Set the time zone to your local time zone (that is, the
server's default value of <varname>timezone</>; if this
has not been explicitly set anywhere, it will be the zone that
the server's operating system defaults to).
server's default value of <varname>timezone</>).
</para>
</listitem>
</varlistentry>