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Use TransactionWriter in roomserver SQLite (#1208)

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Neil Alexander 2020-07-21 10:48:49 +01:00 • committed by GitHub
parent 489f34fed7
commit d76eb1b994
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14 changed files with 259 additions and 148 deletions
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24
roomserver/storage/sqlite3/state_snapshot_table.go
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@ -50,13 +50,16 @@ const bulkSelectStateBlockNIDsSQL = "" +
type stateSnapshotStatements struct {
db *sql.DB
writer *sqlutil.TransactionWriter
insertStateStmt *sql.Stmt
bulkSelectStateBlockNIDsStmt *sql.Stmt
}
func NewSqliteStateSnapshotTable(db *sql.DB) (tables.StateSnapshot, error) {
s := &stateSnapshotStatements{}
s.db = db
s := &stateSnapshotStatements{
db: db,
writer: sqlutil.NewTransactionWriter(),
}
_, err := db.Exec(stateSnapshotSchema)
if err != nil {
return nil, err
@ -75,14 +78,19 @@ func (s *stateSnapshotStatements) InsertState(
if err != nil {
return
}
insertStmt := txn.Stmt(s.insertStateStmt)
if res, err2 := insertStmt.ExecContext(ctx, int64(roomNID), string(stateBlockNIDsJSON)); err2 == nil {
lastRowID, err3 := res.LastInsertId()
if err3 != nil {
err = err3
err = s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
insertStmt := txn.Stmt(s.insertStateStmt)
res, err := insertStmt.ExecContext(ctx, int64(roomNID), string(stateBlockNIDsJSON))
if err != nil {
return err
}
lastRowID, err := res.LastInsertId()
if err != nil {
return err
}
stateNID = types.StateSnapshotNID(lastRowID)
}
return nil
})
return
}