Author: Guillaume Lelarge
Discussion: https://postgr.es/m/CAECtzeWPz4JikzUqZdMjqPTe8dAP3nZxPD-58Y-Hhvirg0fF+A@mail.gmail.com
<row>
<entry><link linkend="catalog-pg-am"><structname>pg_am</structname></link></entry>
- <entry>index access methods</entry>
+ <entry>relation access methods</entry>
</row>
<row>
requests to sample missing or invisible tuples; that should not result in
any bias in the sample. However, if necessary, the function can use
<literal>node->donetuples</literal> to examine how many of the tuples
- it returned were vlaid and visible.
+ it returned were valid and visible.
</para>
</note>