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