mysql - Insert based on conditions -


i trying insert data in mysql table. have option in opencart option_id = 6, want insert products containing option_id=6 new option option_id=9. 

 insert oc_product_option (`option_id`)  select 9  (select `option_id` oc_product_option `option_id` == 6);

is not working. how can give condition in opencart?

edit: here more information. have 1 option color 1 assigned thousands of products. trying assign color 2 products containing color 1.

  1. color1- option id = 6
  2. color2- option id = 9

in opencart, mysql db tables oc_product_option , oc_product_option_value.

in oc_product_option have fields product_id, product_option_id(auto incremental-no need update), option_id

so doing selecting option id of color 2 -9 , assigning products option id = 6

if got right query must like:

insert oc_product_option (`product_id`,`option_id`)  select product_id,9  oc_product_option   `option_id` = 6;

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