Files
max-telegram-bridge-bot/migrations/sqlite/000002_add_prefix_and_created_at.down.sql
T
2026-05-27 09:55:11 +09:00

25 lines
911 B
SQL

-- SQLite doesn't support DROP COLUMN before 3.35.0, so recreate tables
CREATE TABLE pairs_backup (
tg_chat_id INTEGER NOT NULL,
max_chat_id INTEGER NOT NULL,
PRIMARY KEY (tg_chat_id, max_chat_id)
);
INSERT INTO pairs_backup SELECT tg_chat_id, max_chat_id FROM pairs;
DROP TABLE pairs;
ALTER TABLE pairs_backup RENAME TO pairs;
CREATE INDEX IF NOT EXISTS idx_pairs_tg ON pairs(tg_chat_id);
CREATE INDEX IF NOT EXISTS idx_pairs_max ON pairs(max_chat_id);
CREATE TABLE messages_backup (
tg_chat_id INTEGER NOT NULL,
tg_msg_id INTEGER NOT NULL,
max_chat_id INTEGER NOT NULL,
max_msg_id TEXT NOT NULL,
PRIMARY KEY (tg_chat_id, tg_msg_id)
);
INSERT INTO messages_backup SELECT tg_chat_id, tg_msg_id, max_chat_id, max_msg_id FROM messages;
DROP TABLE messages;
ALTER TABLE messages_backup RENAME TO messages;
CREATE INDEX IF NOT EXISTS idx_messages_max ON messages(max_msg_id);