- Change Down(n<=0) to mean "rollback all" (matching Up semantics).
CLIs now explicitly pass 1 when no count is given.
- Add 22 tests for Collect, NamesOnly, Up, Down, and GetStatus
using mock Migrator and fstest.MapFS.
- Fix shmigrate.Applied to stream from file instead of ReadFile
double-wrap; add optional FS field for embed.FS support.
- Update package doc to list all 5 backends.
- Add minimal README linking to pkg.go.dev.
Example CLI todo app demonstrating sqlmigrate + pgmigrate for running
migrations directly via pgx/v5 instead of shelling out to psql. Uses
embed.FS for migration files, auto-migrates on startup, and includes
full CRUD for todos and folders with sqlc-ready query files.
Extract a database-agnostic migration interface (Migrator) with Collect,
Up, Down, and GetStatus orchestration. Each backend is its own Go module
to avoid dependency bloat:
- sqlmigrate: core interface, types, sentinel errors, file collection
- pgmigrate: PostgreSQL via pgx/v5
- mymigrate: MySQL/MariaDB via go-sql-driver/mysql
- litemigrate: SQLite via database/sql (caller imports driver)
- msmigrate: SQL Server via go-mssqldb
- shmigrate: shell script generation (file-path commands, not heredocs)
Integrates shmigrate into the existing cmd/sql-migrate CLI, replacing
its bespoke up/down/status logic with sqlmigrate orchestration.
The create subcommand generated .up.sql files with INSERT INTO
_migrations as the FIRST statement, before the actual DDL. If the
DDL fails, the migration is incorrectly marked as applied. Move the
INSERT to be the LAST statement, matching how .down.sql already puts
DELETE FROM _migrations last.
Also fix the automatic fixup logic to append (not prepend) missing
INSERT statements to existing .up.sql files.
Fixes#86
Adds `sql-migrate sync` which outputs a shell script that refreshes
the local migrations.log from the DB by running _migrations.sql.
Uses `|| true` so a fresh DB with no _migrations table yields an
empty log (all migrations pending) rather than an error.
Usage:
sql-migrate -d ./db/migrations sync | sh
sql-migrate -d ./db/migrations up | sh
