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clean transactions

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Ulf Gebhardt 2022-02-25 20:48:03 +01:00
parent eb7a9299fd
commit e3c96463f1
Signed by: ulfgebhardt
GPG Key ID: DA6B843E748679C9
1 changed files with 81 additions and 0 deletions
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database/migrations/0028-clean_transaction_table.ts Normal file
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/* 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 `amount`;')
// delete column `send_sender_final_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `send_sender_final_balance`;')
// delete column `balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `balance`;')
// delete column `temp_dec_send_sender_final_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `temp_dec_send_sender_final_balance`;')
// delete column `temp_dec_diff_send_sender_final_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `temp_dec_diff_send_sender_final_balance`;')
// delete column `temp_dec_old_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `temp_dec_old_balance`;')
// delete column `temp_dec_diff_balance`
await queryFn('ALTER TABLE `transactions` DROP COLUMN `temp_dec_diff_balance`;')
// Rename columns
// rename column `dec_amount` to `amount`
await queryFn('ALTER TABLE `transactions` RENAME COLUMN `dec_amount` to `amount`;')
// rename column `dec_balance` to `balance`
await queryFn('ALTER TABLE `transactions` RENAME COLUMN `dec_balance` to `balance`;')
// rename column `dec_decay` to `decay`
await queryFn('ALTER TABLE `transactions` RENAME COLUMN `dec_decay` to `decay`;')
}
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('ALTER TABLE `transactions` RENAME COLUMN `decay` to `dec_decay`;')
await queryFn('ALTER TABLE `transactions` RENAME COLUMN `balance` to `dec_balance`;')
await queryFn('ALTER TABLE `transactions` RENAME COLUMN `amount` to `dec_amount`;')
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 memo;',
)
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `amount` bigint(20) DEFAULT NULL AFTER decay_start;',
)
await queryFn(`
UPDATE transaction 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 AFTER;')
}