counter has been reset using the
       <function>pg_stat_statements_reset</function> function with the
       <structfield>minmax_only</structfield> parameter set to <literal>true</literal>
       and never been planned since.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>mean_plan_time</structfield> <type>double precision</type>
      </para>
      <para>
       Mean time spent planning the statement, in milliseconds
       (if <varname>pg_stat_statements.track_planning</varname> is enabled,
       otherwise zero)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>stddev_plan_time</structfield> <type>double precision</type>
      </para>
      <para>
       Population standard deviation of time spent planning the statement,
       in milliseconds
       (if <varname>pg_stat_statements.track_planning</varname> is enabled,
       otherwise zero)
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>calls</structfield> <type>bigint</type>
      </para>
      <para>
       Number of times the statement was executed
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>total_exec_time</structfield> <type>double precision</type>
      </para>
      <para>
       Total time spent executing the statement, in milliseconds
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>min_exec_time</structfield> <type>double precision</type>
      </para>
      <para>
       Minimum time spent executing the statement, in milliseconds,
       this field will be zero until this statement
       is executed first time after reset performed by the
       <function>pg_stat_statements_reset</function> function with the
       <structfield>minmax_only</structfield> parameter set to <literal>true</literal>
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>max_exec_time</structfield> <type>double precision</type>
      </para>
      <para>
       Maximum time spent executing the statement, in milliseconds,
       this field will be zero until this statement
       is executed first time after reset performed by the
       <function>pg_stat_statements_reset</function> function with the
       <structfield>minmax_only</structfield> parameter set to <literal>true</literal>
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>mean_exec_time</structfield> <type>double precision</type>
      </para>
      <para>
       Mean time spent executing the statement, in milliseconds
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>stddev_exec_time</structfield> <type>double precision</type>
      </para>
      <para>
       Population standard deviation of time spent executing the statement, in milliseconds
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>rows</structfield> <type>bigint</type>
      </para>
      <para>
       Total number of rows retrieved or affected by the statement
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>shared_blks_hit</structfield> <type>bigint</type>
      </para>
      <para>
       Total number of shared block cache hits by the statement
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>shared_blks_read</structfield>