Parameter column_name must be an existing column because ALTER
MATERIALIZED VIEW cannot add new columns. The old description was
likely copied from ALTER TABLE.
Author: Erik Wienhold
Discussion: https://postgr.es/m/
6880ca53-7961-4eeb-86d5-
6bd05fc2027e@ewie.name
Backpatch-through: 12
<term><replaceable class="parameter">column_name</replaceable></term>
<listitem>
<para>
- Name of a new or existing column.
+ Name of an existing column.
</para>
</listitem>
</varlistentry>