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SQL:2008 syntax CURRENT_CATALOG, CURRENT_SCHEMA, SET CATALOG, SET SCHEMA.

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This commit is contained in:
Peter Eisentraut
2008-10-27 09:37:47 +00:00
parent b1eeeb20d9
commit 0fec77ae88
6 changed files with 97 additions and 16 deletions
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26
doc/src/sgml/func.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.450 2008/10/14 17:12:32 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.451 2008/10/27 09:37:46 petere Exp $ -->
<chapter id="functions">
<title>Functions and Operators</title>
@ -3184,7 +3184,8 @@ cast(-44 as bit(12)) <lineannotation>111111010100</lineannotation>
function fails and returns null. To indicate the part of the
pattern that should be returned on success, the pattern must contain
two occurrences of the escape character followed by a double quote
(<literal>"</>). The text matching the portion of the pattern
(<literal>"</>). <!-- " font-lock sanity -->
The text matching the portion of the pattern
between these markers is returned.
</para>
@ -10932,6 +10933,12 @@ postgres=# select * from unnest2(array[[1,2],[3,4]]);
</thead>
<tbody>
<row>
<entry><literal><function>current_catalog</function></literal></entry>
<entry><type>name</type></entry>
<entry>name of current database (called <quote>catalog</quote> in the SQL standard)</entry>
</row>
<row>
<entry><literal><function>current_database</function>()</literal></entry>
<entry><type>name</type></entry>
@ -10939,7 +10946,7 @@ postgres=# select * from unnest2(array[[1,2],[3,4]]);
</row>
<row>
<entry><literal><function>current_schema</function>()</literal></entry>
<entry><literal><function>current_schema</function>[()]</literal></entry>
<entry><type>name</type></entry>
<entry>name of current schema</entry>
</row>
@ -11055,6 +11062,10 @@ postgres=# select * from unnest2(array[[1,2],[3,4]]);
<secondary>current</secondary>
</indexterm>
<indexterm>
<primary>current_catalog</primary>
</indexterm>
<indexterm>
<primary>current_database</primary>
</indexterm>
@ -11083,9 +11094,12 @@ postgres=# select * from unnest2(array[[1,2],[3,4]]);
<note>
<para>
<function>current_user</function>, <function>session_user</function>, and
<function>user</function> have special syntactic status in <acronym>SQL</acronym>:
they must be called without trailing parentheses.
<function>current_catalog</function>, <function>current_schema</function>,
<function>current_user</function>, <function>session_user</function>,
and <function>user</function> have special syntactic status
in <acronym>SQL</acronym>: they must be called without trailing
parentheses (optional in PostgreSQL in the case
of <function>current_schema</function>).
</para>
</note>

13
doc/src/sgml/ref/set.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/set.sgml,v 1.92 2008/03/10 12:39:22 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/set.sgml,v 1.93 2008/10/27 09:37:47 petere Exp $
PostgreSQL documentation
-->
@ -150,6 +150,17 @@ SET [ SESSION | LOCAL ] TIME ZONE { <replaceable class="PARAMETER">timezone</rep
special syntax:
<variablelist>
<varlistentry>
<term><literal>SCHEMA</literal></term>
<listitem>
<para>
<literal>SET SCHEMA '<replaceable>value</>'</> is an alias for
<literal>SET search_path TO <replaceable>value</></>. Only one
schema can be specified using this syntax.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>NAMES</literal></term>
<listitem>