zhaoyongjie commented on pull request #16396:
URL: https://github.com/apache/superset/pull/16396#issuecomment-920640004


   @junlincc @jinghua-qa 
   Thanks for your input!
   > 1. It looks to me the LIKE operator is not case sensitive
   
   Operator `like` depend on database spec. Some DB treat like is case 
insensitive. for instance: sqlite. https://sqlite.org/faq.html#q18
   
   > 2. I think this change makes the return in a wider range than the user 
expected? For example, i am trying to return any name starting with 'Ma' but 
then the name contains 'ma' all return. And feel choosing operator 'Like' will 
be different than writing custom SQL using 'Like'
   
   Actually, a wider range is `like` operator meaning instead of `equal` 
operator. some BI will introduce more operators like `starts with`, `ends with` 
and `contains` instead of `like`
   
   <img width="499" alt="image" 
src="https://user-images.githubusercontent.com/2016594/133567004-868c8c06-afca-4045-bf22-2e6a693c8a77.png";>
   
   > 3, when input filter value with string only, user need to scroll to the 
bottom of the list to find the custom input value, which is inconvinient.
   
   need to improve in `Select component project`
   


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