# Collect conflicts?

**URL:** <https://forum.elixirforum.com/t/collect-conflicts/3655>\
**Category:** Questions\
**Tags:** ecto\
**Created:** [February 12, 2017, 2:28pm UTC](https://forum.elixirforum.com/t/collect-conflicts/3655 "2017-02-12T14:28:02Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![josevalim](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/josevalim/32/1787_2.png) [@josevalim](https://forum.elixirforum.com/u/josevalim)\
**Post date:** [February 12, 2017, 3:31pm UTC](https://forum.elixirforum.com/t/collect-conflicts/3655/2 "2017-02-12T15:31:32Z")

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I am afraid you cannot do so using on\_conflict. You will need to perform multiple queries inside a transaction.

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_[View the full topic](https://forum.elixirforum.com/t/collect-conflicts/3655)._