gradido/database/migrations/0029-clean_transaction_table.ts
2022-05-03 15:51:28 +02:00

110 lines
4.6 KiB
TypeScript

/* MIGRATION TO CLEAN THE TRANSACTION TABLE
*
* This migration deletes and renames several
* columns of the `transactions` table.
*
* This migration has data loss
*/
/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
/* eslint-disable @typescript-eslint/no-explicit-any */
export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
// Delete columns
// delete column `amount`
await queryFn('ALTER TABLE `transactions` DROP COLUMN IF EXISTS `amount`;')
// delete column `send_sender_final_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN IF EXISTS `send_sender_final_balance`;')
// delete column `balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN IF EXISTS `balance`;')
// delete column `temp_dec_send_sender_final_balance`
await queryFn(
'ALTER TABLE `transactions` DROP COLUMN IF EXISTS `temp_dec_send_sender_final_balance`;',
)
// delete column `temp_dec_diff_send_sender_final_balance`
await queryFn(
'ALTER TABLE `transactions` DROP COLUMN IF EXISTS `temp_dec_diff_send_sender_final_balance`;',
)
// delete column `temp_dec_old_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN IF EXISTS `temp_dec_old_balance`;')
// delete column `temp_dec_diff_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN IF EXISTS `temp_dec_diff_balance`;')
// Rename columns
// rename column `dec_amount` to `amount`
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `dec_amount` `amount` DECIMAL(40,20);')
// rename column `dec_balance` to `balance`
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `dec_balance` `balance` DECIMAL(40,20);')
// rename column `dec_decay` to `decay`
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `dec_decay` `decay` DECIMAL(40,20);')
// Drop tables
// drop `state_balances`
await queryFn('DROP TABLE IF EXISTS `state_balances`;')
}
export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
// Not all data is recoverable here, this data is simulated,
// We lose all incorrect balances and wrongly rounded amounts.
await queryFn(`
CREATE TABLE \`state_balances\` (
\`id\` int(10) unsigned NOT NULL AUTO_INCREMENT,
\`state_user_id\` int(10) unsigned NOT NULL,
\`modified\` datetime NOT NULL,
\`record_date\` datetime DEFAULT NULL,
\`amount\` bigint(20) NOT NULL,
PRIMARY KEY (\`id\`)
) ENGINE=InnoDB AUTO_INCREMENT=568 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
`)
await queryFn(`
INSERT INTO \`state_balances\`
(state_user_id, modified, record_date, amount)
SELECT user_id as state_user_id, balance_date as modified, balance_date as record_date, amount * 10000 as amount FROM
(SELECT user_id as uid, MAX(balance_date) AS date FROM transactions GROUP BY uid) AS t
LEFT JOIN transactions ON t.uid = transactions.user_id AND t.date = transactions.balance_date;
`)
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `decay` `dec_decay` DECIMAL(40,20);')
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `balance` `dec_balance` DECIMAL(40,20);')
await queryFn('ALTER TABLE `transactions` CHANGE COLUMN `amount` `dec_amount` DECIMAL(40,20);')
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_balance` decimal(40,20) DEFAULT NULL AFTER linked_transaction_id;',
)
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_old_balance` decimal(40,20) DEFAULT NULL AFTER linked_transaction_id;',
)
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_send_sender_final_balance` decimal(40,20) DEFAULT NULL AFTER linked_transaction_id;',
)
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_send_sender_final_balance` decimal(40,20) DEFAULT NULL AFTER linked_transaction_id;',
)
await queryFn('ALTER TABLE `transactions` ADD COLUMN `balance` bigint(20) DEFAULT 0 AFTER memo;')
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `send_sender_final_balance` bigint(20) DEFAULT NULL AFTER memo;',
)
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `amount` bigint(20) DEFAULT NULL AFTER decay_start;',
)
await queryFn(`
UPDATE transactions SET
temp_dec_diff_balance = 0,
temp_dec_old_balance = dec_balance,
temp_dec_diff_send_sender_final_balance = 0,
temp_dec_send_sender_final_balance = dec_balance,
balance = dec_balance * 10000,
send_sender_final_balance = dec_balance * 10000,
amount = dec_amount * 10000;
`)
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `amount` bigint(20) NOT NULL;')
}