java - Spring Jpa Custom Query for Filtering on List-Property -


i have 1 entity called item. each item contains number of tags. want search within tags, , list of applications having same tag oder combined set of tags.

the query annotation "string tag;" not "list tags;". example want match tags (game, thriller) or (education, 12+).

i don't have clue, because use @entity. sql tables only, use table __item_tags (fid_item, fid_tag) , "select * fid_tag = 'game' or fid_tag = 'thriller'). here don't know how express within @query annotation.. 

@entity class item implements serializable {         @id         @generatedvalue         private long id;          list<string> tags; }  public interface itemrepository extends jparepository<item, serializable>{      item findbyid(long id);      @query("select item lower(a.tag) = lower(:tag)")     list<item > findbytag(@param("tag") string tag); }


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