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提交 3c4447fd 编写于 作者: T Thomas G. Lockhart
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Complete markup for docbook2man support. 

Fix synopsis info thanks to Yves.Martin@ensimag.imag.fr.
上级 f2738394
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Showing with 65 addition and 142 deletion
doc/src/sgml/ref/set.sgml
浏览文件 @ 3c4447fd
......@@ -20,7 +20,7 @@
<synopsis>
SET <replaceable class="PARAMETER">variable</replaceable> { TO | = } { '<replaceable class="PARAMETER">value</replaceable>' | DEFAULT }
SET TIME ZONE { '<replaceable class="PARAMETER">timezone</replaceable>' | LOCAL | DEFAULT }
SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZED }
SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZABLE }
</synopsis>
<refsect2 id="R2-SQL-SET-1">
......@@ -34,9 +34,7 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZED }
<variablelist>
<varlistentry>
<term>
<replaceable class="PARAMETER">variable</replaceable>
</term>
<term><replaceable class="PARAMETER">variable</replaceable></term>
<listitem>
<para>
Settable global parameter.
......@@ -44,9 +42,7 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZED }
</listitem>
</varlistentry>
<varlistentry>
<term>
<replaceable class="PARAMETER">value</replaceable>
</term>
<term><replaceable class="PARAMETER">value</replaceable></term>
<listitem>
<para>
New value of parameter.
......@@ -61,18 +57,14 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZED }
<variablelist>
<varlistentry>
<term>
CLIENT_ENCODING | NAMES
</term>
<term>CLIENT_ENCODING | NAMES</term>
<listitem>
<para>
Sets the multi-byte client encoding. Parameters are:
<variablelist>
<varlistentry>
<term>
<replaceable class="parameter">value</replaceable>
</term>
<term><replaceable class="parameter">value</replaceable></term>
<listitem>
<para>
Sets the multi-byte client encoding to
......@@ -83,9 +75,7 @@ CLIENT_ENCODING | NAMES
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Sets the multi-byte client encoding to the default value.
......@@ -102,9 +92,7 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
DateStyle
</term>
<term>DateStyle</term>
<listitem>
<para>
Set the date/time representation style. Affects the output format,
......@@ -112,9 +100,7 @@ DateStyle
<variablelist>
<varlistentry>
<term>
ISO
</term>
<term>ISO</term>
<listitem>
<para>
use ISO 8601-style dates and times
......@@ -122,9 +108,7 @@ ISO
</listitem>
</varlistentry>
<varlistentry>
<term>
SQL
</term>
<term>SQL</term>
<listitem>
<para>
use Oracle/Ingres-style dates and times
......@@ -132,9 +116,7 @@ SQL
</listitem>
</varlistentry>
<varlistentry>
<term>
Postgres
</term>
<term>Postgres</term>
<listitem>
<para>
use traditional <productname>Postgres</productname> format
......@@ -142,9 +124,7 @@ Postgres
</listitem>
</varlistentry>
<varlistentry>
<term>
European
</term>
<term>European</term>
<listitem>
<para>
use dd/mm/yyyy for numeric date representations.
......@@ -152,9 +132,7 @@ European
</listitem>
</varlistentry>
<varlistentry>
<term>
NonEuropean
</term>
<term>NonEuropean</term>
<listitem>
<para>
use mm/dd/yyyy for numeric date representations.
......@@ -162,9 +140,7 @@ NonEuropean
</listitem>
</varlistentry>
<varlistentry>
<term>
German
</term>
<term>German</term>
<listitem>
<para>
use dd.mm.yyyy for numeric date representations.
......@@ -172,9 +148,7 @@ German
</listitem>
</varlistentry>
<varlistentry>
<term>
US
</term>
<term>US</term>
<listitem>
<para>
same as 'NonEuropean'
......@@ -182,9 +156,7 @@ US
</listitem>
</varlistentry>
<varlistentry>
<term>
default
</term>
<term>DEFAULT</term>
<listitem>
<para>
restores the default values ('US,Postgres')
......@@ -227,18 +199,14 @@ default
</varlistentry>
<varlistentry>
<term>
SERVER_ENCODING
</term>
<term>SERVER_ENCODING</term>
<listitem>
<para>
Sets the multi-byte server encoding
<variablelist>
<varlistentry>
<term>
<replaceable class="parameter">value</replaceable>
</term>
<term><replaceable class="parameter">value</replaceable></term>
<listitem>
<para>
Sets the multi-byte server encoding.
......@@ -247,9 +215,7 @@ SERVER_ENCODING
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Sets the multi-byte server encoding.
......@@ -265,9 +231,7 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
TIMEZONE
</term>
<term>TIMEZONE</term>
<listitem>
<para>
The possible values for timezone depends on your operating
......@@ -279,9 +243,7 @@ TIMEZONE
<variablelist>
<varlistentry>
<term>
'PST8PDT'
</term>
<term>'PST8PDT'</term>
<listitem>
<para>
set the timezone for California
......@@ -289,9 +251,7 @@ TIMEZONE
</listitem>
</varlistentry>
<varlistentry>
<term>
'Portugal'
</term>
<term>'Portugal'</term>
<listitem>
<para>
set time zone for Portugal.
......@@ -299,9 +259,7 @@ TIMEZONE
</listitem>
</varlistentry>
<varlistentry>
<term>
'Europe/Rome'
</term>
<term>'Europe/Rome'</term>
<listitem>
<para>
set time zone for Italy.
......@@ -309,9 +267,7 @@ TIMEZONE
</listitem>
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
set time zone to your local timezone
......@@ -339,18 +295,14 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
TRANSACTION ISOLATION LEVEL
</term>
<term>TRANSACTION ISOLATION LEVEL</term>
<listitem>
<para>
Sets the isolation level for the current transaction.
<variablelist>
<varlistentry>
<term>
READ COMMITTED
</term>
<term>READ COMMITTED</term>
<listitem>
<para>
The current transaction queries read only rows committed
......@@ -367,9 +319,7 @@ READ COMMITTED
</varlistentry>
<varlistentry>
<term>
SERIALIZABLE
</term>
<term>SERIALIZABLE</term>
<listitem>
<para>
The current transaction queries read only rows committed
......@@ -394,18 +344,14 @@ SERIALIZABLE
<variablelist>
<varlistentry>
<term>
COST_HEAP
</term>
<term>COST_HEAP</term>
<listitem>
<para>
Sets the default cost of a heap scan for use by the optimizer.
<variablelist>
<varlistentry>
<term>
<replaceable class="parameter">float4</replaceable>
</term>
<term><replaceable class="parameter">float4</replaceable></term>
<listitem>
<para>
Set the cost of a heap scan to the specified floating point value.
......@@ -414,9 +360,7 @@ COST_HEAP
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Sets the cost of a heap scan to the default value.
......@@ -433,18 +377,14 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
COST_INDEX
</term>
<term>COST_INDEX</term>
<listitem>
<para>
Sets the default cost of an index scan for use by the optimizer.
<variablelist>
<varlistentry>
<term>
<replaceable class="parameter">float4</replaceable>
</term>
<term><replaceable class="parameter">float4</replaceable></term>
<listitem>
<para>
Set the cost of an index scan to the specified floating point value.
......@@ -453,9 +393,7 @@ COST_INDEX
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Sets the cost of an index scan to the default value.
......@@ -473,18 +411,14 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
GEQO
</term>
<term>GEQO</term>
<listitem>
<para>
Sets the threshold for using the genetic optimizer algorithm.
<variablelist>
<varlistentry>
<term>
ON
</term>
<term>ON</term>
<listitem>
<para>
enables the genetic optimizer algorithm
......@@ -492,10 +426,9 @@ ON
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
ON=<replaceable class="parameter">#</replaceable>
</term>
<term>ON=<replaceable class="parameter">#</replaceable></term>
<listitem>
<para>
Takes an integer argument to enable the genetic optimizer algorithm
......@@ -504,10 +437,9 @@ ON=<replaceable class="parameter">#</replaceable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
OFF
</term>
<term>OFF</term>
<listitem>
<para>
disables the genetic optimizer algorithm.
......@@ -515,9 +447,7 @@ OFF
</listitem>
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Equivalent to specifying <command>SET GEQO='ON'</command>
......@@ -546,9 +476,7 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
KSQO
</term>
<term>KSQO</term>
<listitem>
<para>
<firstterm>Key Set Query Optimizer</firstterm> forces the query optimizer
......@@ -557,9 +485,7 @@ KSQO
<variablelist>
<varlistentry>
<term>
ON
</term>
<term>ON</term>
<listitem>
<para>
enables this optimization.
......@@ -568,9 +494,7 @@ ON
</varlistentry>
<varlistentry>
<term>
OFF
</term>
<term>OFF</term>
<listitem>
<para>
disables this optimization.
......@@ -579,9 +503,7 @@ OFF
</varlistentry>
<varlistentry>
<term>
DEFAULT
</term>
<term>DEFAULT</term>
<listitem>
<para>
Equivalent to specifying <command>SET KSQO='OFF'</command>.
......@@ -618,9 +540,9 @@ DEFAULT
<variablelist>
<varlistentry>
<term>
<returnvalue>SET VARIABLE</returnvalue>
</term>
<term><computeroutput>
SET VARIABLE
</computeroutput></term>
<listitem>
<para>
Message returned if successfully.
......@@ -629,9 +551,9 @@ DEFAULT
</varlistentry>
<varlistentry>
<term>
<returnvalue>WARN: Bad value for <replaceable class="parameter">variable</replaceable> (<replaceable class="parameter">value</replaceable>)</returnvalue>
</term>
<term><computeroutput>
WARN: Bad value for <replaceable class="parameter">variable</replaceable> (<replaceable class="parameter">value</replaceable>)
</computeroutput></term>
<listitem>
<para>
If the command fails to set the specified variable.
......@@ -697,26 +619,26 @@ DEFAULT
Set the style of date to ISO:
<programlisting>
SET DATESTYLE TO 'ISO';
SET DATESTYLE TO 'ISO';
</programlisting>
Enable GEQO for queries with 4 or more tables:
<programlisting>
SET GEQO ON=4;
SET GEQO ON=4;
</programlisting>
Set GEQO to default:
<programlisting>
SET GEQO = DEFAULT;
SET GEQO = DEFAULT;
</programlisting>
Set the timezone for Berkeley, California:
<programlisting>
SET TIME ZONE 'PST8PDT';
SELECT CURRENT_TIMESTAMP AS today;
SET TIME ZONE 'PST8PDT';
SELECT CURRENT_TIMESTAMP AS today;
today
----------------------
......@@ -726,8 +648,8 @@ DEFAULT
Set the timezone for Italy:
<programlisting>
SET TIME ZONE 'Europe/Rome';
SELECT CURRENT_TIMESTAMP AS today;
SET TIME ZONE 'Europe/Rome';
SELECT CURRENT_TIMESTAMP AS today;
today
----------------------
......@@ -751,17 +673,18 @@ DEFAULT
SQL92
</title>
<para>
There is no
There is no general
<command>SET <replaceable class="parameter">variable</replaceable></command>
in <acronym>SQL92</acronym> (except for SET TRANSACTION ISOLATION LEVEL).
in <acronym>SQL92</acronym> (with the exception of
<command>SET TRANSACTION ISOLATION LEVEL</command>).
The <acronym>SQL92</acronym> syntax for <command>SET TIME ZONE</command>
is slightly different,
allowing only a single integer value for time zone specification:
<programlisting>
SET TIME ZONE { interval_value_expression | LOCAL }
</programlisting>
<synopsis>
SET TIME ZONE { interval_value_expression | LOCAL }
</synopsis>
</para>
</refsect2>
</refsect1>
......@@ -779,7 +702,7 @@ sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/CATALOG"
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->
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