@@ -654,6 +654,12 @@ GROUP BY <replaceable class="parameter">expression</replaceable> [, ...]
654654 the grouped columns (or a subset thereof) are the primary key of
655655 the table containing the ungrouped column.
656656 </para>
657+
658+ <para>
659+ Currently, <literal>FOR NO KEY UPDATE</>, <literal>FOR UPDATE</>,
660+ <literal>FOR SHARE</> and <literal>FOR KEY SHARE</> cannot be
661+ specified with <literal>GROUP BY</literal>.
662+ </para>
657663 </refsect2>
658664
659665 <refsect2 id="SQL-HAVING">
@@ -690,6 +696,12 @@ HAVING <replaceable class="parameter">condition</replaceable>
690696 within aggregate functions. Such a query will emit a single row if the
691697 <literal>HAVING</literal> condition is true, zero rows if it is not true.
692698 </para>
699+
700+ <para>
701+ Currently, <literal>FOR NO KEY UPDATE</>, <literal>FOR UPDATE</>,
702+ <literal>FOR SHARE</> and <literal>FOR KEY SHARE</> cannot be
703+ specified with <literal>HAVING</literal>.
704+ </para>
693705 </refsect2>
694706
695707 <refsect2 id="SQL-WINDOW">
@@ -824,6 +836,12 @@ UNBOUNDED FOLLOWING
824836 than one window function.
825837 </para>
826838
839+ <para>
840+ Currently, <literal>FOR NO KEY UPDATE</>, <literal>FOR UPDATE</>,
841+ <literal>FOR SHARE</> and <literal>FOR KEY SHARE</> cannot be
842+ specified with <literal>WINDOW</literal>.
843+ </para>
844+
827845 <para>
828846 Window functions are described in detail in
829847 <xref linkend="tutorial-window">,
@@ -920,6 +938,12 @@ SELECT DISTINCT ON (location) location, time, report
920938 will normally contain additional expression(s) that determine the
921939 desired precedence of rows within each <literal>DISTINCT ON</> group.
922940 </para>
941+
942+ <para>
943+ Currently, <literal>FOR NO KEY UPDATE</>, <literal>FOR UPDATE</>,
944+ <literal>FOR SHARE</> and <literal>FOR KEY SHARE</> cannot be
945+ specified with <literal>DISTINCT</literal>.
946+ </para>
923947 </refsect2>
924948
925949 <refsect2 id="SQL-UNION">