8000 entc/integration: example for multischema in migration by a8m · Pull Request #2804 · ent/ent · GitHub
[go: up one dir, main page]
More Web Proxy on the site http://driver.im/
Skip to content

entc/integration: example for multischema in migration #2804

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 27, 2022
Merged

entc/integration: example for multischema in migration #2804

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
69 changes: 35 additions & 34 deletions entc/integration/multischema/multischema_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,20 +6,19 @@ package multischema

import (
"context"
"strings"
"testing"

"entgo.io/ent/dialect 10000 "
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/schema"
"entgo.io/ent/entc/integration/multischema/ent"
"entgo.io/ent/entc/integration/multischema/ent/group"
"entgo.io/ent/entc/integration/multischema/ent/migrate"
"entgo.io/ent/entc/integration/multischema/ent/pet"
"entgo.io/ent/entc/integration/multischema/ent/user"
"github.com/stretchr/testify/require"

atlas "ariga.io/atlas/sql/schema"
_ "github.com/go-sql-driver/mysql"
"github.com/stretchr/testify/require"
)

func TestMySQL(t *testing.T) {
Expand All @@ -33,14 +32,27 @@ func TestMySQL(t *testing.T) {
require.NoError(t, err, "creating database")
defer db.ExecContext(ctx, "DROP DATABASE IF EXISTS db1")
defer db.ExecContext(ctx, "DROP DATABASE IF EXISTS db2")
setupSchema(t, db)

client := ent.NewClient(ent.Driver(db), ent.AlternateSchema(ent.SchemaConfig{
Pet: "db1",
User: "db2",
Group: "db1",
// Default schema for the connection is db1.
db1, err := sql.Open("mysql", "root:pass@tcp(localhost:3308)/db1")
require.NoError(t, err)
defer db1.Close()

cfg := ent.SchemaConfig{
// The "users" and the "pets" table reside in the same schema
// as the connection (the default search schema). Thus, there
// is no need to set them explicitly both in the migration and
// runtime statements.
//
// Pet: "db1",
// User: "db1",

// The "groups" and "group_users" reside in external schema (db2).
Group: "db2",
GroupUsers: "db2",
}))
}
client := ent.NewClient(ent.Driver(db1), ent.AlternateSchema(cfg))
setupSchema(t, client, cfg)
pedro := client.Pet.Create().SetName("Pedro").SaveX(ctx)
groups := client.Group.CreateBulk(
client.Group.Create().SetName("GitHub"),
Expand Down Expand Up @@ -108,30 +120,19 @@ func TestMySQL(t *testing.T) {
require.Equal(t, client.Pet.Query().CountX(ctx), len(client.Pet.Query().AllX(ctx)))
}

func setupSchema(t *testing.T, drv *sql.Driver) {
client := ent.NewClient(ent.Driver(&rewriter{drv}))
err := client.Schema.Create(context.Background(), migrate.WithForeignKeys(false), schema.WithAtlas(false))
func setupSchema(t *testing.T, client *ent.Client, cfg ent.SchemaConfig) {
err := client.Schema.Create(
context.Background(),
migrate.WithForeignKeys(false),
schema.WithDiffHook(func(next schema.Differ) schema.Differ {
return schema.DiffFunc(func(current, desired *atlas.Schema) ([]atlas.Change, error) {
for tt, s := range map[string]string{group.Table: cfg.Group, group.UsersTable: cfg.GroupUsers} {
t1, ok := desired.Table(tt)
require.True(t, ok)
t1.SetSchema(atlas.New(s))
}
return next.Diff(current, desired)
})
}))
require.NoError(t, err)
}

type rewriter struct {
dialect.Driver
}

func (r *rewriter) Tx(ctx context.Context) (dialect.Tx, error) {
tx, err := r.Driver.Tx(ctx)
if err != nil {
return nil, err
}
return &txRewriter{tx}, nil
}

type txRewriter struct {
dialect.Tx
}

func (r *txRewriter) Exec(ctx context.Context, query string, args, v interface{}) error {
rp := strings.NewReplacer("`groups`", "`db1`.`groups`", "`pets`", "`db1`.`pets`", "`users`", "`db2`.`users`", "`group_users`", "`db2`.`group_users`")
query = rp.Replace(query)
return r.Tx.Exec(ctx, query, args, v)
}
0