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doc: Mention CASCADE/RESTRICT for DROP STATISTICS 

This grammar has no effect as there are no dependencies on statistics,
but it is supported by the parser.  This is more consistent with the
other DROP commands.

Author: Vignesh C
Discussion: https://postgr.es/m/CALDaNm1LA=yNmzcSfy+0oe6CEAgsxXRf_-UutE3ZncFi8QkFNQ@mail.gmail.com
Backpatch-through: 10
This commit is contained in:
Michael Paquier 2021-07-19 12:39:53 +09:00
parent 7099ba0580
commit e159368027
1 changed files with 13 additions and 1 deletions
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14
doc/src/sgml/ref/drop_statistics.sgml
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@ -21,7 +21,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP STATISTICS [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...]
DROP STATISTICS [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -59,6 +59,18 @@ DROP STATISTICS [ IF EXISTS ] <replaceable class="parameter">name</replaceable>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>CASCADE</literal></term>
<term><literal>RESTRICT</literal></term>
<listitem>
<para>
These key words do not have any effect, since there are no dependencies
on statistics.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>