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Enable reading migration files from an embedded file system (#15)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "embed" | ||
| "fmt" | ||
| "log" | ||
| "strings" | ||
|
|
||
| "github.com/stimtech/go-migration/v2" | ||
|
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| _ "github.com/mattn/go-sqlite3" | ||
| ) | ||
|
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| // Simple example app with an embedded filesystem. | ||
| // An sqlite database will be created, and a table added. | ||
| // Run with 'go run embed.go'. | ||
| // Two migrations are present in db/migration and will be loaded into the db in alphabetical order. | ||
|
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| //go:embed embedded-fs/*.sql | ||
| var migFS embed.FS | ||
|
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| func main() { | ||
| // connect to a new or existing sqlite datasource | ||
| db, err := sql.Open("sqlite3", "db.sqlite") | ||
| if err != nil { | ||
| log.Fatal("failed to create datasource", err) | ||
| } | ||
|
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| // run migration | ||
| m := migration.New(db, | ||
| // the embedded filesystem contains the folder specified, so this will still need to be configured. | ||
| migration.Config{MigrationFolder: "embedded-fs"}, | ||
| migration.FSOption{FileSystem: migFS}) | ||
| err = m.Migrate() | ||
| if err != nil { | ||
| log.Fatal("failed to run database migration", err) | ||
| } | ||
|
|
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| // list all tables in the database | ||
| res, err := db.Query("select name from sqlite_master where type='table' order by name") | ||
| if err != nil { | ||
| log.Fatal("failed to query database", err) | ||
| } | ||
|
|
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| var tables []string | ||
| for res.Next() { | ||
| var tn string | ||
| if err := res.Scan(&tn); err != nil { | ||
| log.Fatal("failed to scan row", err) | ||
| } | ||
| tables = append(tables, tn) | ||
| } | ||
|
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| log.Println(fmt.Sprintf("Tables in database: %s", strings.Join(tables, ", "))) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| create table my_table ( | ||
| id integer primary key | ||
| ); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| alter table my_table add column test varchar(30); | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,28 @@ | ||
| module github.com/stimtech/go-migration/v2 | ||
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| go 1.15 | ||
| go 1.19 | ||
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| require ( | ||
| github.com/go-sql-driver/mysql v1.6.0 | ||
| github.com/jackc/pgx/v4 v4.11.0 | ||
| github.com/mattn/go-sqlite3 v1.14.9 | ||
| github.com/stretchr/testify v1.8.0 | ||
| go.uber.org/zap v1.24.0 | ||
| ) | ||
|
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| require ( | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/jackc/chunkreader/v2 v2.0.1 // indirect | ||
| github.com/jackc/pgconn v1.8.1 // indirect | ||
| github.com/jackc/pgio v1.0.0 // indirect | ||
| github.com/jackc/pgpassfile v1.0.0 // indirect | ||
| github.com/jackc/pgproto3/v2 v2.0.6 // indirect | ||
| github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect | ||
| github.com/jackc/pgtype v1.7.0 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| go.uber.org/atomic v1.10.0 // indirect | ||
| go.uber.org/multierr v1.9.0 // indirect | ||
| go.uber.org/zap v1.24.0 | ||
| golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect | ||
| golang.org/x/text v0.3.3 // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) |
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