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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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19
roomserver/storage/sqlite3/previous_events_table.go
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@ -53,12 +53,17 @@ const selectPreviousEventExistsSQL = `
`
type previousEventStatements struct {
db *sql.DB
writer *sqlutil.TransactionWriter
insertPreviousEventStmt *sql.Stmt
selectPreviousEventExistsStmt *sql.Stmt
}
func NewSqlitePrevEventsTable(db *sql.DB) (tables.PreviousEvents, error) {
s := &previousEventStatements{}
s := &previousEventStatements{
db: db,
writer: sqlutil.NewTransactionWriter(),
}
_, err := db.Exec(previousEventSchema)
if err != nil {
return nil, err
@ -77,11 +82,13 @@ func (s *previousEventStatements) InsertPreviousEvent(
previousEventReferenceSHA256 []byte,
eventNID types.EventNID,
) error {
stmt := sqlutil.TxStmt(txn, s.insertPreviousEventStmt)
_, err := stmt.ExecContext(
ctx, previousEventID, previousEventReferenceSHA256, int64(eventNID),
)
return err
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, s.insertPreviousEventStmt)
_, err := stmt.ExecContext(
ctx, previousEventID, previousEventReferenceSHA256, int64(eventNID),
)
return err
})
}
// Check if the event reference exists