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Re: Would this take long than 10-15 seconds to complete?
Posted by: Andy Andy
Date: May 31, 2018 06:35AM

Sure. Please find below entire SQL statement.

mysql> explain UPDATE request_comments c SET c.COMMENT_TEXT ='' where c.COMMENT_TEXT is null;
+----+-------------+-------+-------+---------------+---------+---------+------+------+-------------+
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+-------+---------------+---------+---------+------+------+-------------+
| 1 | SIMPLE | c | index | NULL | PRIMARY | 4 | NULL | 3767 | Using where |
+----+-------------+-------+-------+---------------+---------+---------+------+------+-------------+
1 row in set (0.02 sec)

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Re: Would this take long than 10-15 seconds to complete?
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May 31, 2018 06:35AM


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