89 lines
3.1 KiB
SQL
89 lines
3.1 KiB
SQL
SET FOREIGN_KEY_CHECKS = 0;
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-- Tables no longer needed as old dashboard is decomm.
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DROP TABLE IF EXISTS guild_users;
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DROP TABLE IF EXISTS events;
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CREATE TABLE users_new
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(
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id BIGINT UNSIGNED,
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dm_channel INT UNSIGNED UNIQUE NOT NULL,
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timezone VARCHAR(32) NOT NULL DEFAULT 'UTC',
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meridian_time BOOLEAN NOT NULL DEFAULT 0,
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allowed_dm BOOLEAN NOT NULL DEFAULT 1,
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reset_inputs_on_create BOOLEAN NOT NULL DEFAULT 0,
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use_browser_timezone BOOLEAN NOT NULL DEFAULT 1,
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dashboard_color_scheme ENUM ('system', 'light', 'dark') NOT NULL DEFAULT 'system',
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PRIMARY KEY (id),
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FOREIGN KEY `fk_user_dm_channel` (dm_channel) REFERENCES channels (id) ON DELETE RESTRICT,
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-- Useful for bot startup times
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INDEX `index_timezone` (timezone)
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);
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-- Drop some dodgy user entries
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CREATE TEMPORARY TABLE dupe_users
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SELECT dm_channel
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FROM users u1
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WHERE (SELECT COUNT(1) FROM users u2 WHERE u2.dm_channel = u1.dm_channel) > 1;
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DELETE
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FROM users
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WHERE dm_channel IN (SELECT * FROM dupe_users);
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INSERT INTO users_new (id, dm_channel, timezone, meridian_time, allowed_dm)
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SELECT `user`, dm_channel, IFNULL(timezone, 'UTC'), meridian_time, allowed_dm
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FROM users;
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-- Add new user ID column
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ALTER TABLE todos
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ADD COLUMN user_id_new BIGINT UNSIGNED;
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-- Reference new table with new column
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ALTER TABLE todos
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ADD CONSTRAINT `todos_user_fk` FOREIGN KEY (user_id_new) REFERENCES users_new (id) ON DELETE SET NULL ON UPDATE CASCADE;
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-- Populate new column
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UPDATE todos
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SET user_id_new = (SELECT user FROM users WHERE id = user_id);
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-- Prepare a statement to drop the old constraint
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SELECT @todo_query := CONCAT('ALTER TABLE todos DROP FOREIGN KEY ', constraint_name)
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FROM information_schema.key_column_usage
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WHERE constraint_schema = DATABASE()
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AND table_name = 'todos'
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AND column_name = 'user_id';
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PREPARE todo_stmt FROM @todo_query;
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EXECUTE todo_stmt;
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-- Drop old column
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ALTER TABLE todos
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DROP COLUMN user_id;
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-- Rename new column
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ALTER TABLE todos RENAME COLUMN user_id_new TO user_id;
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-- Add new set by column
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ALTER TABLE reminders
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ADD COLUMN set_by_new BIGINT UNSIGNED;
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-- Reference new table with new column
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ALTER TABLE reminders
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ADD CONSTRAINT `reminders_set_by_fk` FOREIGN KEY (set_by_new) REFERENCES users_new (id) ON DELETE SET NULL ON UPDATE CASCADE;
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-- Populate new column
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UPDATE reminders
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SET set_by_new = (SELECT user FROM users WHERE id = set_by);
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-- Prepare a statement to drop the old constraint
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SELECT @reminders_query := CONCAT('ALTER TABLE reminders DROP FOREIGN KEY ', constraint_name)
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FROM information_schema.key_column_usage
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WHERE constraint_schema = DATABASE()
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AND table_name = 'reminders'
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AND column_name = 'set_by';
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PREPARE reminders_stmt FROM @reminders_query;
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EXECUTE reminders_stmt;
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-- Drop old column
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ALTER TABLE reminders
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DROP COLUMN set_by;
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ALTER TABLE reminders RENAME COLUMN set_by_new TO set_by;
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-- Swap the tables.
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-- Keep the old table for now
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RENAME TABLE users TO users_old;
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RENAME TABLE users_new TO users;
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SET FOREIGN_KEY_CHECKS = 1;
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