doc: avoid saying "inheritance" ...

... when it applies to partitioned relations.  This is almost the
opposite of 0c06534bd6, which removed references to "partition" in
favour of "child".

Author: Justin Pryzby <pryzby@telsasoft.com>
Reviewed-by: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Reviewed-by: Amit Langote <amitlangote09@gmail.com>
Discussion: https://postgr.es/m/20220525013248.GO19626@telsasoft.com

doc/src/sgml/catalogs.sgml

@@ -2135,7 +2135,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
        <structfield>relhassubclass</structfield> <type>bool</type>
       </para>
       <para>
-       True if table or index has (or once had) any inheritance children
+       True if table or index has (or once had) any inheritance children or partitions
       </para></entry>
      </row>
 
@@ -7306,7 +7306,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
   <para>
    Normally there is one entry, with <structfield>stainherit</structfield> =
    <literal>false</literal>, for each table column that has been analyzed.
-   If the table has inheritance children, a second entry with
+   If the table has inheritance children or partitions, a second entry with
    <structfield>stainherit</structfield> = <literal>true</literal> is also created.  This row
    represents the column's statistics over the inheritance tree, i.e.,
    statistics for the data you'd see with
@@ -7389,7 +7389,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
        <structfield>stainherit</structfield> <type>bool</type>
       </para>
       <para>
-       If true, the stats include inheritance child columns, not just the
+       If true, the stats include values from child tables, not just the
        values in the specified relation
       </para></entry>
      </row>
@@ -7661,7 +7661,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
   <para>
    Normally there is one entry, with <structfield>stxdinherit</structfield> =
    <literal>false</literal>, for each statistics object that has been analyzed.
-   If the table has inheritance children, a second entry with
+   If the table has inheritance children or partitions, a second entry with
    <structfield>stxdinherit</structfield> = <literal>true</literal> is also created.
    This row represents the statistics object over the inheritance tree, i.e.,
    statistics for the data you'd see with
@@ -7715,7 +7715,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
        <structfield>stxdinherit</structfield> <type>bool</type>
       </para>
       <para>
-       If true, the stats include inheritance child columns, not just the
+       If true, the stats include values from child tables, not just the
        values in the specified relation
       </para></entry>
      </row>

doc/src/sgml/system-views.sgml

@@ -3593,7 +3593,7 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
        <structfield>inherited</structfield> <type>bool</type>
       </para>
       <para>
-       If true, this row includes inheritance child columns, not just the
+       If true, this row includes values from child tables, not just the
        values in the specified table
       </para></entry>
      </row>
@@ -3855,7 +3855,7 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
        (references <link linkend="catalog-pg-statistic-ext-data"><structname>pg_statistic_ext_data</structname></link>.<structfield>stxdinherit</structfield>)
       </para>
       <para>
-       If true, the stats include inheritance child columns, not just the
+       If true, the stats include values from child tables, not just the
        values in the specified relation
       </para></entry>
      </row>
@@ -4047,7 +4047,7 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
        (references <link linkend="catalog-pg-statistic-ext-data"><structname>pg_statistic_ext_data</structname></link>.<structfield>stxdinherit</structfield>)
       </para>
       <para>
-       If true, the stats include inheritance child columns, not just the
+       If true, the stats include values from child tables, not just the
        values in the specified relation
       </para></entry>
      </row>