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Full roomserver input transactional isolation (#2141)

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* Add transaction to all database tables in roomserver, rename latest events updater to room updater, use room updater for all RS input

* Better transaction management

* Tweak order

* Handle cases where the room does not exist

* Other fixes

* More tweaks

* Fill some gaps

* Fill in the gaps

* good lord it gets worse

* Don't roll back transactions when events rejected

* Pass through errors properly

* Fix bugs

* Fix incorrect error check

* Don't panic on nil txns

* Tweaks

* Hopefully fix panics for good in SQLite this time

* Fix rollback

* Minor bug fixes with latest event updater

* Some review comments

* Revert "Some review comments"

This reverts commit 0caf8cf53e62c33f7b83c52e9df1d963871f751e.

* Fix a couple of bugs

* Clearer commit and rollback results

* Remove unnecessary prepares
This commit is contained in:
Neil Alexander 2022-02-04 10:39:34 +00:00 • committed by GitHub
parent 4d9f5b2e57
commit eb352a5f6b
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GPG key ID: 4AEE18F83AFDEB23
35 changed files with 867 additions and 499 deletions
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15
roomserver/storage/sqlite3/room_aliases_table.go
View file

@ -91,9 +91,10 @@ func (s *roomAliasesStatements) InsertRoomAlias(
}
func (s *roomAliasesStatements) SelectRoomIDFromAlias(
ctx context.Context, alias string,
ctx context.Context, txn *sql.Tx, alias string,
) (roomID string, err error) {
err = s.selectRoomIDFromAliasStmt.QueryRowContext(ctx, alias).Scan(&roomID)
stmt := sqlutil.TxStmt(txn, s.selectRoomIDFromAliasStmt)
err = stmt.QueryRowContext(ctx, alias).Scan(&roomID)
if err == sql.ErrNoRows {
return "", nil
}
@ -101,10 +102,11 @@ func (s *roomAliasesStatements) SelectRoomIDFromAlias(
}
func (s *roomAliasesStatements) SelectAliasesFromRoomID(
ctx context.Context, roomID string,
ctx context.Context, txn *sql.Tx, roomID string,
) (aliases []string, err error) {
aliases = []string{}
rows, err := s.selectAliasesFromRoomIDStmt.QueryContext(ctx, roomID)
stmt := sqlutil.TxStmt(txn, s.selectAliasesFromRoomIDStmt)
rows, err := stmt.QueryContext(ctx, roomID)
if err != nil {
return
}
@ -124,9 +126,10 @@ func (s *roomAliasesStatements) SelectAliasesFromRoomID(
}
func (s *roomAliasesStatements) SelectCreatorIDFromAlias(
ctx context.Context, alias string,
ctx context.Context, txn *sql.Tx, alias string,
) (creatorID string, err error) {
err = s.selectCreatorIDFromAliasStmt.QueryRowContext(ctx, alias).Scan(&creatorID)
stmt := sqlutil.TxStmt(txn, s.selectCreatorIDFromAliasStmt)
err = stmt.QueryRowContext(ctx, alias).Scan(&creatorID)
if err == sql.ErrNoRows {
return "", nil
}