bitwarden-server/util/Migrator/DbScripts/2021-01-28_00_AddDeleteSendsToUserDeleteById.sql

IF OBJECT_ID('[dbo].[User_DeleteById]') IS NOT NULL
BEGIN
    DROP PROCEDURE [dbo].[User_DeleteById]
END
GO

CREATE PROCEDURE [dbo].[User_DeleteById]
    @Id UNIQUEIDENTIFIER
WITH
    RECOMPILE
AS
BEGIN
    SET NOCOUNT ON

DECLARE @BatchSize INT = 100
-- Delete ciphers
WHILE @BatchSize > 0
BEGIN
    BEGIN TRANSACTION User_DeleteById_Ciphers

    DELETE TOP(@BatchSize)
    FROM
        [dbo].[Cipher]
     WHERE
         [UserId] = @Id

    SET @BatchSize = @@ROWCOUNT

    COMMIT TRANSACTION User_DeleteById_Ciphers
END

BEGIN TRANSACTION User_DeleteById

-- Delete folders
DELETE
FROM
    [dbo].[Folder]
WHERE
    [UserId] = @Id

-- Delete devices
DELETE
FROM
    [dbo].[Device]
WHERE
    [UserId] = @Id

-- Delete collection users
DELETE
    CU
FROM
    [dbo].[CollectionUser] CU
INNER JOIN
    [dbo].[OrganizationUser] OU ON OU.[Id] = CU.[OrganizationUserId]
WHERE
    OU.[UserId] = @Id

-- Delete group users
DELETE
    GU
FROM
    [dbo].[GroupUser] GU
INNER JOIN
    [dbo].[OrganizationUser] OU ON OU.[Id] = GU.[OrganizationUserId]
WHERE
    OU.[UserId] = @Id

-- Delete organization users
DELETE
FROM
    [dbo].[OrganizationUser]
WHERE
    [UserId] = @Id
-- Delete U2F logins
DELETE
FROM
    [dbo].[U2f]
WHERE
    [UserId] = @Id
-- Delete SSO Users
DELETE
FROM
    [dbo].[SsoUser]
WHERE
    [UserId] = @Id
-- Delete Emergency Accesses
DELETE
FROM
    [dbo].[EmergencyAccess]
WHERE
    [GrantorId] = @Id 
    OR [GranteeId] = @Id
-- Delete Sends
DELETE
FROM
    [dbo].[Send]
WHERE 
    [UserId] = @Id
-- Finally, delete the user
DELETE
FROM
    [dbo].[User]
WHERE
    [Id] = @Id
COMMIT TRANSACTION User_DeleteById
END