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Component-wide TransactionWriters (#1290)

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* 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
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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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3
currentstateserver/storage/shared/storage.go
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@ -27,6 +27,7 @@ import (
type Database struct {
DB *sql.DB
Writer sqlutil.Writer
CurrentRoomState tables.CurrentRoomState
}
@ -59,7 +60,7 @@ func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, reda
func (d *Database) StoreStateEvents(ctx context.Context, addStateEvents []gomatrixserverlib.HeaderedEvent,
removeStateEventIDs []string) error {
return sqlutil.WithTransaction(d.DB, func(txn *sql.Tx) error {
return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
// remove first, then add, as we do not ever delete state, but do replace state which is a remove followed by an add.
for _, eventID := range removeStateEventIDs {
if err := d.CurrentRoomState.DeleteRoomStateByEventID(ctx, txn, eventID); err != nil {