72 lines
2.5 KiB
SQL
72 lines
2.5 KiB
SQL
CREATE TABLE favorites (
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user_uuid TEXT NOT NULL REFERENCES users(uuid),
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cipher_uuid TEXT NOT NULL REFERENCES ciphers(uuid),
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PRIMARY KEY (user_uuid, cipher_uuid)
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);
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-- Transfer favorite status for user-owned ciphers.
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INSERT INTO favorites(user_uuid, cipher_uuid)
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SELECT user_uuid, uuid
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FROM ciphers
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WHERE favorite = 1
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AND user_uuid IS NOT NULL;
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-- Drop the `favorite` column from the `ciphers` table, using the 12-step
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-- procedure from <https://www.sqlite.org/lang_altertable.html#altertabrename>.
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-- Note that some steps aren't applicable and are omitted.
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-- 1. If foreign key constraints are enabled, disable them using PRAGMA foreign_keys=OFF.
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--
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-- Diesel runs each migration in its own transaction. `PRAGMA foreign_keys`
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-- is a no-op within a transaction, so this step must be done outside of this
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-- file, before starting the Diesel migrations.
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-- 2. Start a transaction.
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--
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-- Diesel already runs each migration in its own transaction.
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-- 4. Use CREATE TABLE to construct a new table "new_X" that is in the
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-- desired revised format of table X. Make sure that the name "new_X" does
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-- not collide with any existing table name, of course.
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CREATE TABLE new_ciphers(
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uuid TEXT NOT NULL PRIMARY KEY,
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created_at DATETIME NOT NULL,
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updated_at DATETIME NOT NULL,
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user_uuid TEXT REFERENCES users(uuid),
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organization_uuid TEXT REFERENCES organizations(uuid),
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atype INTEGER NOT NULL,
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name TEXT NOT NULL,
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notes TEXT,
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fields TEXT,
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data TEXT NOT NULL,
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password_history TEXT,
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deleted_at DATETIME
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);
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-- 5. Transfer content from X into new_X using a statement like:
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-- INSERT INTO new_X SELECT ... FROM X.
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INSERT INTO new_ciphers(uuid, created_at, updated_at, user_uuid, organization_uuid, atype,
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name, notes, fields, data, password_history, deleted_at)
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SELECT uuid, created_at, updated_at, user_uuid, organization_uuid, atype,
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name, notes, fields, data, password_history, deleted_at
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FROM ciphers;
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-- 6. Drop the old table X: DROP TABLE X.
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DROP TABLE ciphers;
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-- 7. Change the name of new_X to X using: ALTER TABLE new_X RENAME TO X.
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ALTER TABLE new_ciphers RENAME TO ciphers;
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-- 11. Commit the transaction started in step 2.
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-- 12. If foreign keys constraints were originally enabled, reenable them now.
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--
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-- `PRAGMA foreign_keys` is scoped to a database connection, and Diesel
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-- migrations are run in a separate database connection that is closed once
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-- the migrations finish.
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