tern_core

Module migration

Source

Structs§

  • AppliedMigration
    An AppliedMigration is the information about a migration that completed successfully and it is also a row in the schema history table.
  • MigrationId
    Name/version derived from the migration source filename.
  • MigrationSet
    The Migrations derived from the files in the source directory that need to be applied.
  • Query
    A SQL query.

Traits§

  • Executor
    The “executor” type for the database backend ultimately responsible for issuing migration and schema history queries.
  • Migration
    A single migration in a migration set.
  • MigrationContext
    The context in which a migration run occurs.
  • MigrationSource
    A type that is used to collect a MigrationSet – migrations that are not applied yet – which is used as the input to runner commands.
  • QueryBuilder
    A helper trait for Migration.
  • QueryRepository
    A type that has a library of “administrative” queries that are needed during a migration run.