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doc: Mention CASCADE/RESTRICT for DROP STATISTICS

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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 12:40:00 +09:00
parent 3058732dcc
commit 36b607c9a8
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>