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Remove duplicate entry for R_PLAN (thanks Bruce).

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Add entry for undocumented (?) KSQO.
This commit is contained in:
Thomas G. Lockhart
1998-10-14 16:31:28 +00:00
parent 963ed0e72a
commit 6129de0b76
1 changed files with 25 additions and 21 deletions
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24
doc/src/sgml/ref/set.sgml
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@ -20,7 +20,6 @@ SET
<REPLACEABLE CLASS="PARAMETER"> <REPLACEABLE CLASS="PARAMETER">
</REPLACEABLE> </REPLACEABLE>
SET <REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE> { TO | = } { '<REPLACEABLE CLASS="PARAMETER">value</REPLACEABLE>' | DEFAULT } SET <REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE> { TO | = } { '<REPLACEABLE CLASS="PARAMETER">value</REPLACEABLE>' | DEFAULT }
SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL }; SET TIME ZONE { '<REPLACEABLE CLASS="PARAMETER">timezone</REPLACEABLE>' | LOCAL };
</SYNOPSIS> </SYNOPSIS>
@ -199,9 +198,11 @@ set time zone to your local timezone
<para> <para>
If an invalid time zone is specified, the time zone If an invalid time zone is specified, the time zone
becomes GMT (on most systems anyway). becomes GMT (on most systems anyway).
<para> <para>
A frontend which uses libpq may be initialized by setting the PGTZ A frontend which uses libpq may be initialized by setting the PGTZ
environment variable. environment variable.
<para> <para>
The second syntax shown above, allows one to set the timezone The second syntax shown above, allows one to set the timezone
with a syntax similar to SQL92 <command>SET TIME ZONE</command>. with a syntax similar to SQL92 <command>SET TIME ZONE</command>.
@ -315,7 +316,7 @@ DEFAULT
</term> </term>
<listitem> <listitem>
<para> <para>
Equivalent to specifying <command>SET GEQO=On</command> Equivalent to specifying <command>SET GEQO='on'</command>
</varlistentry> </varlistentry>
</variablelist> </variablelist>
@ -361,7 +362,7 @@ DEFAULT
</term> </term>
<listitem> <listitem>
<para> <para>
Equivalent to specifying <command>SET R_PLANS=Off</command>. Equivalent to specifying <command>SET R_PLANS='off'</command>.
</variablelist> </variablelist>
<para> <para>
@ -375,11 +376,13 @@ Equivalent to specifying <command>SET R_PLANS=Off</command>.
<varlistentry> <varlistentry>
<term> <term>
R_PLANS KSQO
</term> </term>
<listitem> <listitem>
<para> <para>
Determines whether right-hand plan evaluation is allowed: <firstterm>Key Set Query Optimizer</firstterm> forces the query optimizer
to optimize repetative OR clauses such as generated by
<productname>MicroSoft Access</productname>:
<variablelist> <variablelist>
<varlistentry> <varlistentry>
@ -388,7 +391,7 @@ On
</term> </term>
<listitem> <listitem>
<para> <para>
enables right-hand evaluation of plans. enables this optimization.
<varlistentry> <varlistentry>
<term> <term>
@ -396,7 +399,7 @@ Off
</term> </term>
<listitem> <listitem>
<para> <para>
disables right-hand evaluation of plans. disables this optimization.
<varlistentry> <varlistentry>
<term> <term>
@ -404,7 +407,7 @@ DEFAULT
</term> </term>
<listitem> <listitem>
<para> <para>
Equivalent to specifying <command>SET R_PLANS=Off</command>. Equivalent to specifying <command>SET KSQO='off'</command>.
</variablelist> </variablelist>
<para> <para>
@ -430,7 +433,8 @@ Value
</term> </term>
<listitem> <listitem>
<para> <para>
Maximum number of rows to return for a query. The default is unlimited. Maximum number of rows to return for a query. The default is to allow
an unlimited number of rows.
<varlistentry> <varlistentry>
<term> <term>
<replaceable class="parameter">#</replaceable> <replaceable class="parameter">#</replaceable>
@ -445,7 +449,7 @@ DEFAULT
</term> </term>
<listitem> <listitem>
<para> <para>
Sets the number of rows returned by a query to unlimited. Sets the maximum number of rows returned by a query to be unlimited.
</varlistentry> </varlistentry>
<para> <para>