59 lines
2.6 KiB
SQL
59 lines
2.6 KiB
SQL
 
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-- The inbox becomes global to a user rather than per-project: a card now
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-- either belongs to nobody's project (project_id AND status_id both NULL --
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-- sitting in that user's inbox) or to exactly one project with a status in it
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-- (both set). Cards also gain a direct owner_id, since inbox cards have no
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-- project to derive ownership from.
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--
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-- SQLite can't relax an existing NOT NULL / add a CHECK to a live column, so
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-- the table is rebuilt.
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CREATE TABLE cards_new (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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owner_id INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
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project_id INTEGER NULL REFERENCES projects (id) ON DELETE CASCADE,
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-- Was ON DELETE SET NULL; now that a project card must have a status
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-- (the CHECK below), silently nulling status_id on a deleted status would
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-- leave project_id orphaned without it. There is no status-delete
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-- endpoint yet, so this is only a safety net.
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status_id INTEGER NULL REFERENCES card_statuses (id) ON DELETE RESTRICT,
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text TEXT NOT NULL,
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complete INTEGER NOT NULL DEFAULT 0 CHECK (complete IN (0, 1)),
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position INTEGER NOT NULL DEFAULT 0,
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created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
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updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
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CHECK ((project_id IS NULL) = (status_id IS NULL))
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);
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-- Existing cards with no status were sitting in their project's old
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-- per-project inbox column; that concept is gone, so they move to the (now
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-- global, per-owner) inbox -- project_id cleared alongside status_id.
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INSERT INTO cards_new (id, owner_id, project_id, status_id, text, complete, position, created_at, updated_at)
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SELECT c.id,
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p.owner_id,
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CASE WHEN c.status_id IS NULL THEN NULL ELSE c.project_id END,
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c.status_id,
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c.text, c.complete, c.position, c.created_at, c.updated_at
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FROM cards c
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JOIN projects p ON p.id = c.project_id;
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DROP TABLE cards;
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ALTER TABLE cards_new RENAME TO cards;
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CREATE INDEX idx_cards_owner_project_status_position
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ON cards (owner_id, project_id, status_id, position);
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CREATE INDEX idx_cards_status ON cards (status_id);
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-- Re-pack every column -- including each owner's inbox -- to a dense 0..n-1,
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-- preserving relative order. Safe despite writing the table it reads: the CTE
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-- is evaluated against the pre-update snapshot.
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WITH ranked (id, rk) AS (
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SELECT id,
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row_number() OVER (
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PARTITION BY owner_id, project_id, status_id
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ORDER BY position, id
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) - 1
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FROM cards
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)
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UPDATE cards
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SET position = (SELECT rk FROM ranked WHERE ranked.id = cards.id);
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