264 lines
7.2 KiB
Go
264 lines
7.2 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package satellitedb_test
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import (
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"context"
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"errors"
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"fmt"
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"io/ioutil"
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"path/filepath"
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"strconv"
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"testing"
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"time"
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"github.com/jackc/pgconn"
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"github.com/stretchr/testify/require"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"go.uber.org/zap/zaptest"
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"golang.org/x/sync/errgroup"
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"storj.io/common/testcontext"
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"storj.io/storj/private/dbutil/dbschema"
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"storj.io/storj/private/dbutil/pgtest"
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"storj.io/storj/private/dbutil/pgutil"
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"storj.io/storj/private/dbutil/tempdb"
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"storj.io/storj/private/migrate"
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"storj.io/storj/satellite/satellitedb"
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"storj.io/storj/satellite/satellitedb/dbx"
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)
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// loadSnapshots loads all the dbschemas from `testdata/postgres.*`.
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func loadSnapshots(ctx context.Context, connstr, dbxscript string) (*dbschema.Snapshots, *dbschema.Schema, error) {
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snapshots := &dbschema.Snapshots{}
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// find all postgres sql files
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matches, err := filepath.Glob("testdata/postgres.*")
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if err != nil {
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return nil, nil, err
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}
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snapshots.List = make([]*dbschema.Snapshot, len(matches))
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var group errgroup.Group
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for i, match := range matches {
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i, match := i, match
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group.Go(func() error {
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versionStr := match[19 : len(match)-4] // hack to avoid trim issues with path differences in windows/linux
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version, err := strconv.Atoi(versionStr)
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if err != nil {
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return errs.New("invalid testdata file %q: %v", match, err)
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}
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scriptData, err := ioutil.ReadFile(match)
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if err != nil {
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return errs.New("could not read testdata file for version %d: %v", version, err)
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}
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snapshot, err := loadSnapshotFromSQL(ctx, connstr, string(scriptData))
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if err != nil {
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var pgErr *pgconn.PgError
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if errors.As(err, &pgErr) {
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return fmt.Errorf("Version %d error: %v\nDetail: %s\nHint: %s", version, pgErr, pgErr.Detail, pgErr.Hint)
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}
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return fmt.Errorf("Version %d error: %+v", version, err)
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}
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snapshot.Version = version
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snapshots.List[i] = snapshot
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return nil
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})
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}
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var dbschema *dbschema.Schema
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group.Go(func() error {
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var err error
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dbschema, err = loadSchemaFromSQL(ctx, connstr, dbxscript)
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return err
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})
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if err := group.Wait(); err != nil {
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return nil, nil, err
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}
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snapshots.Sort()
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return snapshots, dbschema, nil
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}
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// loadSnapshotFromSQL inserts script into connstr and loads schema.
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func loadSnapshotFromSQL(ctx context.Context, connstr, script string) (_ *dbschema.Snapshot, err error) {
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db, err := tempdb.OpenUnique(ctx, connstr, "load-schema")
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if err != nil {
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return nil, err
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}
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defer func() { err = errs.Combine(err, db.Close()) }()
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sections := dbschema.NewSections(script)
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_, err = db.ExecContext(ctx, sections.LookupSection(dbschema.Main))
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if err != nil {
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return nil, err
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}
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_, err = db.ExecContext(ctx, sections.LookupSection(dbschema.NewData))
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if err != nil {
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return nil, err
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}
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snapshot, err := pgutil.QuerySnapshot(ctx, db)
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if err != nil {
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return nil, err
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}
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snapshot.Sections = sections
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return snapshot, nil
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}
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// loadSchemaFromSQL inserts script into connstr and loads schema.
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func loadSchemaFromSQL(ctx context.Context, connstr, script string) (_ *dbschema.Schema, err error) {
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db, err := tempdb.OpenUnique(ctx, connstr, "load-schema")
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if err != nil {
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return nil, err
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}
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defer func() { err = errs.Combine(err, db.Close()) }()
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_, err = db.ExecContext(ctx, script)
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if err != nil {
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return nil, err
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}
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return pgutil.QuerySchema(ctx, db)
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}
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func TestMigratePostgres(t *testing.T) { migrateTest(t, pgtest.PickPostgres(t)) }
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func TestMigrateCockroach(t *testing.T) { migrateTest(t, pgtest.PickCockroach(t)) }
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// satelliteDB provides access to certain methods on a *satellitedb.satelliteDB
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// instance, since that type is not exported.
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type satelliteDB interface {
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TestDBAccess() *dbx.DB
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PostgresMigration() *migrate.Migration
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}
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func migrateTest(t *testing.T, connStr string) {
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t.Parallel()
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ctx := testcontext.NewWithTimeout(t, 8*time.Minute)
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defer ctx.Cleanup()
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log := zaptest.NewLogger(t)
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// create tempDB
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tempDB, err := tempdb.OpenUnique(ctx, connStr, "migrate")
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require.NoError(t, err)
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defer func() { require.NoError(t, tempDB.Close()) }()
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// create a new satellitedb connection
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db, err := satellitedb.New(log, tempDB.ConnStr, satellitedb.Options{})
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require.NoError(t, err)
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defer func() { require.NoError(t, db.Close()) }()
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// we need raw database access unfortunately
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rawdb := db.(satelliteDB).TestDBAccess()
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snapshots, dbxschema, err := loadSnapshots(ctx, connStr, rawdb.Schema())
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require.NoError(t, err)
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var finalSchema *dbschema.Schema
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// get migration for this database
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migrations := db.(satelliteDB).PostgresMigration()
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for i, step := range migrations.Steps {
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tag := fmt.Sprintf("#%d - v%d", i, step.Version)
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// find the matching expected version
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expected, ok := snapshots.FindVersion(step.Version)
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require.True(t, ok, "Missing snapshot v%d. Did you forget to add a snapshot for the new migration?", step.Version)
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// run any queries that should happen before the migration
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if oldData := expected.LookupSection(dbschema.OldData); oldData != "" {
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_, err = rawdb.ExecContext(ctx, oldData)
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require.NoError(t, err, tag)
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}
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// run migration up to a specific version
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err := migrations.TargetVersion(step.Version).Run(ctx, log.Named("migrate"))
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require.NoError(t, err, tag)
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// insert data for new tables
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if newData := expected.LookupSection(dbschema.NewData); newData != "" {
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_, err = rawdb.ExecContext(ctx, newData)
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require.NoError(t, err, tag)
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}
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// load schema from database
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currentSchema, err := pgutil.QuerySchema(ctx, rawdb)
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require.NoError(t, err, tag)
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// we don't care changes in versions table
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currentSchema.DropTable("versions")
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// load data from database
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currentData, err := pgutil.QueryData(ctx, rawdb, currentSchema)
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require.NoError(t, err, tag)
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// verify schema and data
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require.Equal(t, expected.Schema, currentSchema, tag)
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require.Equal(t, expected.Data, currentData, tag)
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// keep the last version around
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finalSchema = currentSchema
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}
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// verify that we also match the dbx version
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require.Equal(t, dbxschema, finalSchema, "result of all migration scripts did not match dbx schema")
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}
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func BenchmarkSetup_Postgres(b *testing.B) {
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connstr := pgtest.PickPostgres(b)
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b.Run("merged", func(b *testing.B) {
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benchmarkSetup(b, connstr, true)
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})
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b.Run("separate", func(b *testing.B) {
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benchmarkSetup(b, connstr, false)
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})
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}
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func BenchmarkSetup_Cockroach(b *testing.B) {
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connstr := pgtest.PickCockroach(b)
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b.Run("merged", func(b *testing.B) {
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benchmarkSetup(b, connstr, true)
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})
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b.Run("separate", func(b *testing.B) {
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benchmarkSetup(b, connstr, false)
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})
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}
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func benchmarkSetup(b *testing.B, connStr string, merged bool) {
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for i := 0; i < b.N; i++ {
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func() {
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ctx := context.Background()
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log := zap.NewNop()
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// create tempDB
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tempDB, err := tempdb.OpenUnique(ctx, connStr, "migrate")
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require.NoError(b, err)
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defer func() { require.NoError(b, tempDB.Close()) }()
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// create a new satellitedb connection
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db, err := satellitedb.New(log, tempDB.ConnStr, satellitedb.Options{})
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require.NoError(b, err)
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defer func() { require.NoError(b, db.Close()) }()
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if merged {
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err = db.TestingMigrateToLatest(ctx)
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require.NoError(b, err)
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} else {
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err = db.MigrateToLatest(ctx)
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require.NoError(b, err)
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}
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}()
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}
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}
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