Execute statement only returns #Rows

问题

I'm using PMA to test some pivot queries (dynamic columns), everything seems to be working just fine however, I'm only getting the # Rows in my results, not the actual set of rows.

How can I see my result set?

SET @sql = NULL;
SELECT
  GROUP_CONCAT(DISTINCT
    CONCAT(
      'MAX(IF(t.week_end = ''',
      t1.week_end,
      ''', t.st_hours, NULL)) AS ''',
      t1.week_end, '\''
    )
  ) INTO @sql
FROM timesheets t1 WHERE t1.week_end > "2015-03-01";

SET @sql = CONCAT('SELECT t.assignment_id
                    , ', @sql, ' 
                   FROM timesheets t
                  LEFT JOIN timesheets t1 ON t.timesheet_id = t1.timesheet_id
                   GROUP BY t.assignment_id');

PREPARE stmt FROM @sql;
EXECUTE stmt;

Returns # Rows: 440

SELECT * FROM table - Returns the actual set of rows

回答1:

This will be resolved in the latest PHPMyAdmin builds, and should be released in version 4.6.

[Prepared statements] can be sent in query as this pretty much works in phpMyAdmin right now. The only problem is displaying results. If you execute all of above, you get result just from last query (DEALLOCATE), which shows 0 rows, but if you do it without DEALLOCATE, you reportedly get 1 row, but it's not displayed.

Reference

来源：https://stackoverflow.com/questions/29240965/execute-statement-only-returns-rows