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Clean up for blog presentation

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This commit is contained in:
Justin Hawkins 2023-03-05 09:41:13 +10:30
parent 743dafb1b6
commit 1fc1c27267
2 changed files with 15 additions and 4 deletions
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6
README.md Normal file
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@ -0,0 +1,6 @@
# Embedding PostgreSQL migrations in a Go binary
This is the example project for my [blog entry](https://hawkins.id.au/posts/embedded_sql_migrations_with_tern/).
It shows how to embed SQL migrations and the [tern](https://github.com/JackC/tern) migration tool
into your own Go program.

13
migrations/migrations.go
View File

@ -25,9 +25,11 @@ func NewMigrator(dbDNS string) (Migrator, error) {
if err != nil { if err != nil {
return Migrator{}, err return Migrator{}, err
} }
migrator, err := migrate.NewMigratorEx(context.Background(), conn, versionTable, &migrate.MigratorOptions{ migrator, err := migrate.NewMigratorEx(
DisableTx: false, context.Background(), conn, versionTable,
}) &migrate.MigratorOptions{
DisableTx: false,
})
if err != nil { if err != nil {
return Migrator{}, err return Migrator{}, err
} }
@ -63,7 +65,10 @@ func (m Migrator) Info() (int32, int32, string, error) {
if cur { if cur {
indicator = "->" indicator = "->"
} }
info = info + fmt.Sprintf("%2s %3d %s\n", indicator, thisMigration.Sequence, thisMigration.Name) info = info + fmt.Sprintf(
"%2s %3d %s\n",
indicator,
thisMigration.Sequence, thisMigration.Name)
} }
return version, last, info, nil return version, last, info, nil