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Monorepo for Tangled
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2.1 kB · 97 lines
Go
at master
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import ( "database/sql" "strings"
_ "github.com/mattn/go-sqlite3")
type DB struct { *sql.DB}
func Make(dbPath string) (*DB, error) { // https://github.com/mattn/go-sqlite3#connection-string opts := []string{ "_foreign_keys=1", "_journal_mode=WAL", "_synchronous=NORMAL", "_auto_vacuum=incremental", "_busy_timeout=5000", }
db, err := sql.Open("sqlite3", dbPath+"?"+strings.Join(opts, "&")) if err != nil { return nil, err }
// NOTE: If any other migration is added here, you MUST // copy the pattern in appview: use a single sql.Conn // for every migration.
_, err = db.Exec(` create table if not exists _jetstream ( id integer primary key autoincrement, last_time_us integer not null );
create table if not exists known_dids ( did text primary key );
create table if not exists repos ( id integer primary key autoincrement, knot text not null, owner text not null, name text not null, addedAt text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
unique(owner, name) );
create table if not exists spindle_members ( -- identifiers for the record id integer primary key autoincrement, did text not null, rkey text not null,
-- data instance text not null, subject text not null, created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
-- constraints unique (did, instance, subject) );
-- status event for a single workflow create table if not exists events ( rkey text not null, nsid text not null, event text not null, -- json created integer not null -- unix nanos ); `) if err != nil { return nil, err }
return &DB{db}, nil}
func (d *DB) SaveLastTimeUs(lastTimeUs int64) error { _, err := d.Exec(` insert into _jetstream (id, last_time_us) values (1, ?) on conflict(id) do update set last_time_us = excluded.last_time_us `, lastTimeUs) return err}
func (d *DB) GetLastTimeUs() (int64, error) { var lastTimeUs int64 row := d.QueryRow(`select last_time_us from _jetstream where id = 1;`) err := row.Scan(&lastTimeUs) return lastTimeUs, err}