46 lines
2.3 KiB
SQL
46 lines
2.3 KiB
SQL
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-- A note can carry files, the way a task and a group already can.
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--
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-- Apple Notes is full of photographs, scans and pasted screenshots, and a note
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-- that arrives here as words alone is not that note — it is a summary of it. The
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-- import writes the files as attachments and rewrites the links in the text, so a
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-- picture that was in the middle of a paragraph is still in the middle of it.
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--
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-- Same table as everything else attaches to, rather than one of its own. The files
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-- are content-addressed and deduplicated on disk, the upload path is written and
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-- tested, and the cleanup that removes an orphan already walks this table. A
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-- second table would be a second everything.
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-- verdande:rebuild-tables
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CREATE TABLE attachments_with_notes (
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id TEXT PRIMARY KEY,
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task_id TEXT REFERENCES tasks (id) ON DELETE CASCADE,
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comment_id TEXT REFERENCES comments (id) ON DELETE CASCADE,
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group_id TEXT REFERENCES project_groups (id) ON DELETE CASCADE,
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note_id TEXT REFERENCES notes (id) ON DELETE CASCADE,
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filename TEXT NOT NULL,
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mime_type TEXT NOT NULL DEFAULT 'application/octet-stream',
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size INTEGER NOT NULL,
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path TEXT NOT NULL,
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uploaded_by TEXT NOT NULL REFERENCES users (id) ON DELETE CASCADE,
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created_at INTEGER NOT NULL,
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-- Counted, not spelled out as pairs: with four columns the pairwise version is
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-- six clauses, and the one that is wrong looks exactly like the one that is right.
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CHECK ((task_id IS NOT NULL) + (comment_id IS NOT NULL)
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+ (group_id IS NOT NULL) + (note_id IS NOT NULL) = 1)
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);
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INSERT INTO attachments_with_notes
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(id, task_id, comment_id, group_id, filename, mime_type, size, path, uploaded_by, created_at)
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SELECT id, task_id, comment_id, group_id, filename, mime_type, size, path, uploaded_by, created_at
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FROM attachments;
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DROP TABLE attachments;
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ALTER TABLE attachments_with_notes RENAME TO attachments;
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CREATE INDEX idx_attachments_task ON attachments (task_id) WHERE task_id IS NOT NULL;
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CREATE INDEX idx_attachments_comment ON attachments (comment_id) WHERE comment_id IS NOT NULL;
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CREATE INDEX idx_attachments_group ON attachments (group_id) WHERE group_id IS NOT NULL;
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CREATE INDEX idx_attachments_note ON attachments (note_id) WHERE note_id IS NOT NULL;
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