audiobookshelf/server/migrations/v2.15.2-index-creation.js

94 lines
3.9 KiB
JavaScript
Raw Normal View History

/**
* @typedef MigrationContext
* @property {import('sequelize').QueryInterface} queryInterface - a suquelize QueryInterface object.
* @property {import('../Logger')} logger - a Logger object.
*
* @typedef MigrationOptions
* @property {MigrationContext} context - an object containing the migration context.
*/
/**
2024-10-19 20:20:29 +02:00
* This upward migration script adds indexes to speed up queries on the `BookAuthor`, `BookSeries`, and `podcastEpisodes` tables.
*
* @param {MigrationOptions} options - an object containing the migration context.
* @returns {Promise<void>} - A promise that resolves when the migration is complete.
*/
async function up({ context: { queryInterface, logger } }) {
// Upwards migration script
logger.info('[2.15.2 migration] UPGRADE BEGIN: 2.15.2-index-creation')
// Create index for bookAuthors
logger.info('[2.15.2 migration] Creating index for bookAuthors')
const bookAuthorsIndexes = await queryInterface.showIndex('bookAuthors')
if (!bookAuthorsIndexes.some((index) => index.name === 'bookAuthor_authorId')) {
await queryInterface.addIndex('bookAuthors', ['authorId'], {
name: 'bookAuthor_authorId'
})
} else {
logger.info('[2.15.2 migration] Index bookAuthor_authorId already exists')
}
// Create index for bookSeries
logger.info('[2.15.2 migration] Creating index for bookSeries')
const bookSeriesIndexes = await queryInterface.showIndex('bookSeries')
if (!bookSeriesIndexes.some((index) => index.name === 'bookSeries_seriesId')) {
await queryInterface.addIndex('bookSeries', ['seriesId'], {
name: 'bookSeries_seriesId'
})
} else {
logger.info('[2.15.2 migration] Index bookSeries_seriesId already exists')
}
// Delete existing podcastEpisode index
logger.info('[2.15.2 migration] Deleting existing podcastEpisode index')
2024-10-19 20:38:34 +02:00
await queryInterface.removeIndex('podcastEpisodes', 'podcast_episodes_created_at')
// Create index for podcastEpisode and createdAt
logger.info('[2.15.2 migration] Creating index for podcastEpisode and createdAt')
const podcastEpisodesIndexes = await queryInterface.showIndex('podcastEpisodes')
if (!podcastEpisodesIndexes.some((index) => index.name === 'podcastEpisode_createdAt_podcastId')) {
await queryInterface.addIndex('podcastEpisodes', ['createdAt', 'podcastId'], {
name: 'podcastEpisode_createdAt_podcastId'
})
} else {
logger.info('[2.15.2 migration] Index podcastEpisode_createdAt_podcastId already exists')
}
// Completed migration
logger.info('[2.15.2 migration] UPGRADE END: 2.15.2-index-creation')
}
/**
2024-10-19 20:20:29 +02:00
* This downward migration script removes the newly created indexes and re-adds the old index on the `podcastEpisodes` table.
*
* @param {MigrationOptions} options - an object containing the migration context.
* @returns {Promise<void>} - A promise that resolves when the migration is complete.
*/
async function down({ context: { queryInterface, logger } }) {
// Downward migration script
logger.info('[2.15.2 migration] DOWNGRADE BEGIN: 2.15.2-index-creation')
// Remove index for bookAuthors
logger.info('[2.15.2 migration] Removing index for bookAuthors')
2024-10-19 20:20:29 +02:00
await queryInterface.removeIndex('bookAuthors', 'bookAuthor_authorId')
// Remove index for bookSeries
logger.info('[2.15.2 migration] Removing index for bookSeries')
2024-10-19 20:20:29 +02:00
await queryInterface.removeIndex('bookSeries', 'bookSeries_seriesId')
// Delete existing podcastEpisode index
logger.info('[2.15.2 migration] Deleting existing podcastEpisode index')
2024-10-19 20:20:29 +02:00
await queryInterface.removeIndex('podcastEpisodes', 'podcastEpisode_createdAt_podcastId')
// Create index for podcastEpisode and createdAt
2024-10-19 20:38:34 +02:00
logger.info('[2.15.2 migration] Creating original index for podcastEpisode createdAt')
2024-10-19 20:20:29 +02:00
await queryInterface.addIndex('podcastEpisodes', ['createdAt'], {
2024-10-19 20:38:34 +02:00
name: 'podcast_episodes_created_at'
})
// Finished migration
logger.info('[2.15.2 migration] DOWNGRADE END: 2.15.2-index-creation')
}
module.exports = { up, down }