Component-wide TransactionWriters (#1290)

* Offset updates take place using TransactionWriter

* Refactor TransactionWriter in current state server

* Refactor TransactionWriter in federation sender

* Refactor TransactionWriter in key server

* Refactor TransactionWriter in media API

* Refactor TransactionWriter in server key API

* Refactor TransactionWriter in sync API

* Refactor TransactionWriter in user API

* Fix deadlocking Sync API tests

* Un-deadlock device database

* Fix appservice API

* Rename TransactionWriters to Writers

* Move writers up a layer in sync API

* Document sqlutil.Writer interface

* Add note to Writer documentation
This commit is contained in:
Neil Alexander 2020-08-21 10:42:08 +01:00 committed by GitHub
parent 5aaf32bbed
commit 9d53351dc2
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56 changed files with 483 additions and 483 deletions

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@ -85,7 +85,6 @@ const selectEventsWithEventIDsSQL = "" +
type currentRoomStateStatements struct {
db *sql.DB
writer sqlutil.TransactionWriter
streamIDStatements *streamIDStatements
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
@ -98,7 +97,6 @@ type currentRoomStateStatements struct {
func NewSqliteCurrentRoomStateTable(db *sql.DB, streamID *streamIDStatements) (tables.CurrentRoomState, error) {
s := &currentRoomStateStatements{
db: db,
writer: sqlutil.NewTransactionWriter(),
streamIDStatements: streamID,
}
_, err := db.Exec(currentRoomStateSchema)
@ -200,11 +198,9 @@ func (s *currentRoomStateStatements) SelectCurrentState(
func (s *currentRoomStateStatements) DeleteRoomStateByEventID(
ctx context.Context, txn *sql.Tx, eventID string,
) error {
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, s.deleteRoomStateByEventIDStmt)
_, err := stmt.ExecContext(ctx, eventID)
return err
})
stmt := sqlutil.TxStmt(txn, s.deleteRoomStateByEventIDStmt)
_, err := stmt.ExecContext(ctx, eventID)
return err
}
func (s *currentRoomStateStatements) UpsertRoomState(
@ -225,22 +221,20 @@ func (s *currentRoomStateStatements) UpsertRoomState(
}
// upsert state event
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, s.upsertRoomStateStmt)
_, err := stmt.ExecContext(
ctx,
event.RoomID(),
event.EventID(),
event.Type(),
event.Sender(),
containsURL,
*event.StateKey(),
headeredJSON,
membership,
addedAt,
)
return err
})
stmt := sqlutil.TxStmt(txn, s.upsertRoomStateStmt)
_, err = stmt.ExecContext(
ctx,
event.RoomID(),
event.EventID(),
event.Type(),
event.Sender(),
containsURL,
*event.StateKey(),
headeredJSON,
membership,
addedAt,
)
return err
}
func minOfInts(a, b int) int {