lewis.moe
Monorepo for Tangled
spindle: recreate repos table
This new db migration won't migrate existing records in repos table.
Instead, it will simply rename the legacy table to `repos_old` and
create a new one with same name.
repo backfill will be done with tap
Signed-off-by: Seongmin Lee <git@boltless.me>
+45
-4
spindle/db/db.go
+45
-4
spindle/db/db.go
···
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1
package db
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import (
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+
"context"
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"database/sql"
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"strings"
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_ "github.com/mattn/go-sqlite3"
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"tangled.org/core/log"
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"tangled.org/core/orm"
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)
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type DB struct {
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*sql.DB
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}
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-
func Make(dbPath string) (*DB, error) {
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func Make(ctx context.Context, dbPath string) (*DB, error) {
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// https://github.com/mattn/go-sqlite3#connection-string
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opts := []string{
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"_foreign_keys=1",
···
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"_synchronous=NORMAL",
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"_auto_vacuum=incremental",
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}
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+
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logger := log.FromContext(ctx)
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logger = log.SubLogger(logger, "db")
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db, err := sql.Open("sqlite3", dbPath+"?"+strings.Join(opts, "&"))
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if err != nil {
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return nil, err
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}
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-
// NOTE: If any other migration is added here, you MUST
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-
// copy the pattern in appview: use a single sql.Conn
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// for every migration.
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conn, err := db.Conn(ctx)
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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_, err = db.Exec(`
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create table if not exists _jetstream (
···
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if err != nil {
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return nil, err
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}
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+
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// run migrations
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// NOTE: this won't migrate existing records
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// they will be fetched again with tap instead
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orm.RunMigration(conn, logger, "add-rkey-to-repos", func(tx *sql.Tx) error {
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// archive legacy repos (just in case)
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_, err = tx.Exec(`alter table repos rename to repos_old`)
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if err != nil {
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return err
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}
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+
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_, err := tx.Exec(`
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create table repos (
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-- identifiers
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id integer primary key autoincrement,
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did text not null,
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rkey text not null,
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at_uri text generated always as ('at://' || did || '/' || 'sh.tangled.repo' || '/' || rkey) stored,
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name text not null,
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knot text not null,
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addedAt text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
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unique(did, rkey)
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);
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`)
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if err != nil {
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return err
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}
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+
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return nil
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})
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return &DB{db}, nil
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}
+1
-1
spindle/server.go
+1
-1
spindle/server.go
···
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func New(ctx context.Context, cfg *config.Config, engines map[string]models.Engine) (*Spindle, error) {
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logger := log.FromContext(ctx)
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-
d, err := db.Make(cfg.Server.DBPath)
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d, err := db.Make(ctx, cfg.Server.DBPath)
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if err != nil {
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return nil, fmt.Errorf("failed to setup db: %w", err)
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}