2019-10-07 06:06:10 +00:00
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# Issuable-like Rails models utilities
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GitLab Rails codebase contains several models that hold common functionality and behave similarly to an [Issue]. Other
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examples of `Issuable`s are [Merge Requests] and [Epics].
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This guide accumulates guidelines on working with such Rails models.
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## Important text fields
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There are max length constraints for the most important text fields for `Issuable`s:
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- `title`: 255 chars
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- `title_html`: 800 chars
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2019-10-16 00:06:16 +00:00
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- `description`: 1 megabyte
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- `description_html`: 5 megabytes
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2019-10-07 06:06:10 +00:00
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[Issue]: https://docs.gitlab.com/ee/user/project/issues
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[Merge Requests]: https://docs.gitlab.com/ee/user/project/merge_requests
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[Epics]: https://docs.gitlab.com/ee/user/group/epics
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