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add migration node script

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This commit is contained in:
Francis Cao 2023-01-02 16:34:58 -08:00
parent f42cab8d83
commit b46a0c179f
1 changed files with 127 additions and 0 deletions
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scripts/migration.js Normal file
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/* eslint-disable no-console */
require('dotenv').config();
const { PrismaClient } = require('@prisma/client');
const chalk = require('chalk');
// const spawn = require('cross-spawn');
// const { execSync } = require('child_process');
const prisma = new PrismaClient();
function success(msg) {
console.log(chalk.greenBright(`✓ ${msg}`));
}
// function error(msg) {
// console.log(chalk.redBright(`✗ ${msg}`));
// }
async function checkEnv() {
if (!process.env.DATABASE_URL) {
throw new Error('DATABASE_URL is not defined.');
} else {
success('DATABASE_URL is defined.');
}
}
async function checkConnection() {
try {
await prisma.$connect();
success('Database connection successful.');
} catch (e) {
throw new Error('Unable to connect to the database.');
}
}
async function checkTables() {
try {
await prisma.$queryRaw`select * from user limit 1`;
success('Database tables found.');
} catch (e) {
throw new Error('Database tables not found.');
}
}
async function dropKeys() {
try {
// drop keys
await prisma.$executeRaw`ALTER TABLE IF EXISTS "account" DROP CONSTRAINT IF EXISTS "account_pkey" cascade;`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "event" DROP CONSTRAINT IF EXISTS "event_pkey" cascade;`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "session" DROP CONSTRAINT IF EXISTS "session_pkey" cascade;`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "website" DROP CONSTRAINT IF EXISTS "website_pkey" cascade;`;
success('Dropped v1 database keys.');
} catch (e) {
throw new Error('Failed to drop v1 database keys.');
}
}
async function renameTables() {
try {
// rename tables
await prisma.$executeRaw`ALTER TABLE IF EXISTS "_prisma_migrations" RENAME TO "_prisma_migrations_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "account" RENAME TO "account_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "event" RENAME TO "event_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "event_data" RENAME TO "event_data_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "pageview" RENAME TO "pageview_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "session" RENAME TO "session_v1";`;
await prisma.$executeRaw`ALTER TABLE IF EXISTS "website" RENAME TO "website_v1";`;
success('Renamed v1 database tables.');
} catch (e) {
throw new Error('Failed to rename v1 database tables.');
}
}
async function dropIndexes() {
try {
// drop indexes
await prisma.$executeRaw`DROP INDEX IF EXISTS "account_account_uuid_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "event_created_at_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "event_event_uuid_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "event_session_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "event_website_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "pageview_created_at_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "pageview_session_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "pageview_website_id_created_at_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "pageview_website_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "pageview_website_id_session_id_created_at_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "session_created_at_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "session_session_uuid_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "session_website_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "website_user_id_idx";`;
await prisma.$executeRaw`DROP INDEX IF EXISTS "website_website_uuid_idx";`;
success('Dropped v1 database indexes.');
} catch (e) {
throw new Error('Failed to drop v1 database indexes.');
}
}
// async function checkNewTables() {
// try {
// await prisma.$queryRaw`select * from website_event limit 1`;
// success('Database v2 tables found.');
// } catch (e) {
// throw new Error('Database v2 tables not found.');
// }
// }
(async () => {
let err = false;
for (let fn of [checkEnv, checkConnection, checkTables, dropKeys, renameTables, dropIndexes]) {
try {
await fn();
} catch (e) {
console.log(chalk.red(`✗ ${e.message}`));
err = true;
} finally {
await prisma.$disconnect();
if (err) {
process.exit(1);
}
}
}
})();