abstract class SqliteEvolutions extends AnyRef
Manages evolutions in sqlite.
The current version is stored as "user_version", see https://stackoverflow.com/questions/989558/best-practices-for-in-app-database-migration-for-sqlite
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- new SqliteEvolutions(quillSqlite: QuillSqlite)
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- abstract val completeResource: String
the resource file which contains the whole database setup
the resource file which contains the whole database setup
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- abstract val currentVersion: Int
current DB Layout version
- abstract val evolutionResources: String
the resource file which contains migrations (01.sql, 02.sql, ...)
the resource file which contains migrations (01.sql, 02.sql, ...)
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- abstract def freshDetector(): Int
a function which detects the current state if it can't be detected (can be used if migrations were introduced later).
a function which detects the current state if it can't be detected (can be used if migrations were introduced later). If it returns <=0 there is no database available and the current layout is instantiated.
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- abstract def postMigration(version: Int): Unit
POST-Steps done after each migration.
POST-Steps done after each migration. Write them carefully, they are very hard to unit-test. Test them manually!
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- def dbVersion(): Int
Returns the version currently in the database.
- def ensureCurrentVersion(): Unit
Generate the database schema for the current version
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