Flowise/packages/server/src/database/migrations/mysql/1694658767766-AddChatHistor...

42 lines
2.2 KiB
TypeScript

import { MigrationInterface, QueryRunner } from 'typeorm'
export class AddChatHistory1694658767766 implements MigrationInterface {
public async up(queryRunner: QueryRunner): Promise<void> {
const chatTypeColumnExists = await queryRunner.hasColumn('chat_message', 'chatType')
if (!chatTypeColumnExists)
await queryRunner.query(`ALTER TABLE \`chat_message\` ADD COLUMN \`chatType\` VARCHAR(255) NOT NULL DEFAULT 'INTERNAL';`)
const chatIdColumnExists = await queryRunner.hasColumn('chat_message', 'chatId')
if (!chatIdColumnExists) await queryRunner.query(`ALTER TABLE \`chat_message\` ADD COLUMN \`chatId\` VARCHAR(255);`)
const results: { id: string; chatflowid: string }[] = await queryRunner.query(`WITH RankedMessages AS (
SELECT
\`chatflowid\`,
\`id\`,
\`createdDate\`,
ROW_NUMBER() OVER (PARTITION BY \`chatflowid\` ORDER BY \`createdDate\`) AS row_num
FROM \`chat_message\`
)
SELECT \`chatflowid\`, \`id\`
FROM RankedMessages
WHERE row_num = 1;`)
for (const chatMessage of results) {
await queryRunner.query(
`UPDATE \`chat_message\` SET \`chatId\` = '${chatMessage.id}' WHERE \`chatflowid\` = '${chatMessage.chatflowid}'`
)
}
await queryRunner.query(`ALTER TABLE \`chat_message\` MODIFY \`chatId\` VARCHAR(255) NOT NULL;`)
const memoryTypeColumnExists = await queryRunner.hasColumn('chat_message', 'memoryType')
if (!memoryTypeColumnExists) await queryRunner.query(`ALTER TABLE \`chat_message\` ADD COLUMN \`memoryType\` VARCHAR(255);`)
const sessionIdColumnExists = await queryRunner.hasColumn('chat_message', 'sessionId')
if (!sessionIdColumnExists) await queryRunner.query(`ALTER TABLE \`chat_message\` ADD COLUMN \`sessionId\` VARCHAR(255);`)
}
public async down(queryRunner: QueryRunner): Promise<void> {
await queryRunner.query(
`ALTER TABLE \`chat_message\` DROP COLUMN \`chatType\`, DROP COLUMN \`chatId\`, DROP COLUMN \`memoryType\`, DROP COLUMN \`sessionId\`;`
)
}
}