Update a column of a table with append some values to the same column value in MySQL

问题

Lock issue occurred when i tried to update a Column of a table with concatenate the same column value with some characters.

UPDATE Templates 
   SET TemplateName = CONCAT("'", (SELECT TemplateName 
                                           FROM Templates 
                                          WHERE LogID = 2), '_Validated',"'")
 WHERE LogID = 2; 

Is there any possible ways to achieve this?

回答1:

Use:

UPDATE TEMPLATES
   SET TemplateName = CONCAT("'", templatename, '_Validated')
 WHERE LogID = 2

来源：https://stackoverflow.com/questions/7857746/update-a-column-of-a-table-with-append-some-values-to-the-same-column-value-in-m