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audiobookshelf/server/migrations/changelog.md
mikiher 40504da4d7
Improve book library page query performance for author sort order (#4080) 
* Add migration to create authorNames* columns, in libraryItems including update triggers and indices

* Add authorNames columns and indices to LibraryItem model

* Add database triggers for updating author names in libraryItems (for new databases)

* Populate authorNames during book scanning

* Update book sorting to use new authorNames columns

* Add an index on podcastEpisodes.publishedAt

* Fix group_concat order by and update to sqlite 3.44.2

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Co-authored-by: advplyr <advplyr@protonmail.com>
2025-03-17 17:09:49 -05:00

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Migrations Changelog

Please add a record of every database migration that you create to this file. This will help us keep track of changes to the database schema over time.

Server Version Migration Script Name Description
v2.15.0 v2.15.0-series-column-unique Series must have unique names in the same library
v2.15.1 v2.15.1-reindex-nocase Fix potential db corruption issues due to bad sqlite extension introduced in v2.12.0
v2.15.2 v2.15.2-index-creation Creates author, series, and podcast episode indexes
v2.17.0 v2.17.0-uuid-replacement Changes the data type of columns with UUIDv4 to UUID matching the associated model
v2.17.3 v2.17.3-fk-constraints Changes the foreign key constraints for tables due to sequelize bug dropping constraints in v2.17.0 migration
v2.17.4 v2.17.4-use-subfolder-for-oidc-redirect-uris Save subfolder to OIDC redirect URIs to support existing installations
v2.17.5 v2.17.5-remove-host-from-feed-urls removes the host (serverAddress) from URL columns in the feeds and feedEpisodes tables
v2.17.6 v2.17.6-share-add-isdownloadable Adds the isDownloadable column to the mediaItemShares table
v2.17.7 v2.17.7-add-indices Adds indices to the libraryItems and books tables to reduce query times
v2.19.1 v2.19.1-copy-title-to-library-items Copies title and titleIgnorePrefix to the libraryItems table, creates update triggers and indices
v2.19.4 v2.19.4-improve-podcast-queries Adds numEpisodes to podcasts, adds podcastId to mediaProgresses, copies podcast title to libraryItems
v2.20.0 v2.20.0-improve-author-sort-queries Adds AuthorNames(FirstLast|LastFirst) to libraryItems to improve author sort queries