query, partition pruning is performed whenever one of the
execution parameters being used by partition pruning changes.
Determining if partitions were pruned during this phase requires
- careful inspection of the <literal>nloops</literal> property in
- the <command>EXPLAIN ANALYZE</command> output.
+ careful inspection of the <literal>loops</literal> property in
+ the <command>EXPLAIN ANALYZE</command> output. Subplans
+ corresponding to different partitions may have different values
+ for it depending on how many times each of them was pruned during
+ execution. Some may be shown as <literal>(never executed)</literal>
+ if they were pruned every time.
</para>
</listitem>
</itemizedlist>