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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"add method 'contains' to QueryBuilder for array  properties (like BooleanArray,IntArray,LongArray in Kotlin)","articleBody":"\u003c!--\n\nIf you are looking for support, please check out our documentation:\n- https://docs.objectbox.io\n- https://docs.objectbox.io/faq\n- https://docs.objectbox.io/troubleshooting\n\n--\u003e\n\n### Is there an existing issue?\n\n- [x] I have searched [existing issues](https://github.com/objectbox/objectbox-java/issues)\n\n### Use case\n❗ **It is very useful when implementing paged queries.**\n```\nclass Entity {\n    var ids: LongArray? = null\n}\n\nfun QueryBuilder\u003cEntity\u003e.filter(id: Long) {\n    contains(Entity_.ids, id)\n}\n```\n\n### Proposed solution\n```\npublic QueryBuilder\u003cT\u003e contains(Property\u003cT\u003e property, bool value) \npublic QueryBuilder\u003cT\u003e contains(Property\u003cT\u003e property, int value) \npublic QueryBuilder\u003cT\u003e contains(Property\u003cT\u003e property, long value) \n```\nOR\n```\npublic PropertyQueryCondition\u003cENTITY\u003e contains(bool value)\npublic PropertyQueryCondition\u003cENTITY\u003e contains(int value)\npublic PropertyQueryCondition\u003cENTITY\u003e contains(long value)\n```\n### Alternatives\n\n_TODO Describe any alternative solutions or features you've considered._\n\n### Additional context\n\n_TODO Add any other context (e.g. platform or language) about the feature request here._\n","author":{"url":"https://github.com/amoikevin","@type":"Person","name":"amoikevin"},"datePublished":"2025-06-18T06:29:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/1211/objectbox-java/issues/1211"}