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Merge the last few variable.c configuration variables into the generic

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GUC support.  It's now possible to set datestyle, timezone, and
client_encoding from postgresql.conf and per-database or per-user
settings.  Also, implement rollback of SET commands that occur in a
transaction that later fails.  Create a SET LOCAL var = value syntax
that sets the variable only for the duration of the current transaction.
All per previous discussions in pghackers.
This commit is contained in:
Tom Lane
2002-05-17 01:19:19 +00:00
parent fa613fa1ea
commit f0811a74b3
42 changed files with 2641 additions and 1802 deletions
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12
doc/src/sgml/ref/set_session_auth.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/ref/set_session_auth.sgml,v 1.5 2002/05/06 19:47:30 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/ref/set_session_auth.sgml,v 1.6 2002/05/17 01:19:16 tgl Exp $ -->
<refentry id="SQL-SET-SESSION-AUTHORIZATION">
<docinfo>
<date>2001-04-21</date>
@ -16,8 +16,8 @@
<refsynopsisdiv>
<synopsis>
SET SESSION AUTHORIZATION <parameter>username</parameter>
SET SESSION AUTHORIZATION DEFAULT
SET [ SESSION | LOCAL ] SESSION AUTHORIZATION <parameter>username</parameter>
SET [ SESSION | LOCAL ] SESSION AUTHORIZATION DEFAULT
RESET SESSION AUTHORIZATION
</synopsis>
</refsynopsisdiv>
@ -51,6 +51,12 @@ RESET SESSION AUTHORIZATION
specifies the authenticated username.
</para>
<para>
The <option>SESSION</> and <option>LOCAL</> modifiers act the same
as for the regular <xref linkend="SQL-SET" endterm="SQL-SET-title">
command.
</para>
<para>
The <literal>DEFAULT</> and <literal>RESET</> forms reset the session
and current user identifiers to be the originally authenticated user