22 lines
848 B
Markdown
22 lines
848 B
Markdown
---
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stage: Plan
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group: Project Management
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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---
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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
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[Issues](../user/project/issues/index.md). Other examples of "issuables"
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are [merge requests](../user/project/merge_requests/index.md) and
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[Epics](../user/group/epics/index.md).
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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 maximum length constraints for the most important text fields for issuables:
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- `title`: 255 characters
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- `title_html`: 800 characters
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- `description`: 1 megabyte
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- `description_html`: 5 megabytes
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