from tortoise import BaseDBAsyncClient RUN_IN_TRANSACTION = True async def upgrade(db: BaseDBAsyncClient) -> str: return """ ALTER TABLE "channel" ADD "invite_link" VARCHAR(1024); ALTER TABLE "channel" ALTER COLUMN "username" DROP NOT NULL;""" async def downgrade(db: BaseDBAsyncClient) -> str: return """ ALTER TABLE "channel" DROP COLUMN "invite_link"; ALTER TABLE "channel" ALTER COLUMN "username" SET NOT NULL;""" MODELS_STATE = ( "eJztXWtv2soW/SuITz1SbkWAhJzo6kqEOK1bAohH2nOayjJmIL4xNsc2SaMq//3M+IE9Yx" "tsY8CG/YWmM7PH47XntdY8/Ls81yZIMT62nkRVRUr5uvS7rIpzhP9go85KZXGx8CJIgCmO" "FSut5Es0NkxdlEwcPBUVA+GgCTIkXV6YsqbiUHWpKCRQk3BCWZ15QUtV/meJBFObIfMJ6T" "jix08cLKsT9AsZ7n8Xz8JURsqEKqw8Ic+2wgXzbWGFjUb87Z2VkjxuLEiaspyrXurFm/mk" "qavky6U8+UhsSNwMqUgXTTTxvQYppfPCbpBdYhxg6ku0KurEC5igqbhUCBjl/06XqkQwKF" "lPIj/1/5UTwCNpKoFWVk2Cxe93+628d7ZCy+RRrc/N/ofa5R/WW2qGOdOtSAuR8rtlKJqi" "bWrh6gEp6Yi8tiCaQUBvcYwpz1E4qLQlA+7EMf3o/pEGZDfAQ9mrYS7MLnzpMC3jd5h0Ve" 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