34 lines
1.6 KiB
SQL
34 lines
1.6 KiB
SQL
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-- Foldable groups over the projects in the sidebar.
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--
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-- A table rather than a `group_name` column on the project: a group has to be
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-- renamable in one write, has to survive being emptied, and has to remember
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-- whether it is folded. A repeated string on every project row can do none of
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-- those — renaming would touch N rows, and an empty group would simply cease to
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-- exist the moment its last project left it.
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CREATE TABLE project_groups (
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id TEXT PRIMARY KEY,
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owner_id TEXT NOT NULL REFERENCES users (id) ON DELETE CASCADE,
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name TEXT NOT NULL,
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-- Folded state lives on the row, not in localStorage.
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--
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-- The sidebar's *width* is a property of the screen you are sitting at, which
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-- is why that one is stored per browser. A folded group is not: it is a
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-- statement about that group — "this is the part of my work I am not in right
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-- now" — and it is true on the laptop and the desktop alike. A group is also
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-- owned by exactly one person, so there is nobody else's answer to disagree
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-- with.
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collapsed INTEGER NOT NULL DEFAULT 0,
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sort_order REAL NOT NULL DEFAULT 0,
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created_at INTEGER NOT NULL,
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updated_at INTEGER NOT NULL
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);
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CREATE INDEX idx_project_groups_owner ON project_groups (owner_id);
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-- ON DELETE SET NULL: deleting a group is a decision about the heading, not about
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-- the projects underneath it. They fall back to ungrouped, in the order they
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-- already had.
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ALTER TABLE projects ADD COLUMN group_id TEXT REFERENCES project_groups (id) ON DELETE SET NULL;
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CREATE INDEX idx_projects_group ON projects (group_id) WHERE deleted_at IS NULL;
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