sqlite: Fix account data table in syncapi by commiting insert txns!

This commit is contained in:
Kegan Dougal 2020-02-19 15:01:14 +00:00
parent 456bbb3770
commit 867c59a20a
2 changed files with 48 additions and 35 deletions

View file

@ -19,15 +19,13 @@ import (
"context" "context"
"database/sql" "database/sql"
"github.com/lib/pq"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/syncapi/types" "github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib"
) )
const accountDataSchema = ` const accountDataSchema = `
CREATE TABLE IF NOT EXISTS syncapi_account_data_type ( CREATE TABLE IF NOT EXISTS syncapi_account_data_type (
id INTEGER PRIMARY KEY AUTOINCREMENT, id INTEGER PRIMARY KEY,
user_id TEXT NOT NULL, user_id TEXT NOT NULL,
room_id TEXT NOT NULL, room_id TEXT NOT NULL,
type TEXT NOT NULL, type TEXT NOT NULL,
@ -43,9 +41,7 @@ const insertAccountDataSQL = "" +
const selectAccountDataInRangeSQL = "" + const selectAccountDataInRangeSQL = "" +
"SELECT room_id, type FROM syncapi_account_data_type" + "SELECT room_id, type FROM syncapi_account_data_type" +
" WHERE user_id = $1 AND id > $2 AND id <= $3" + " WHERE user_id = $1 AND id > $2 AND id <= $3" +
" AND ( $4 IS NULL OR type IN ($4) )" + " ORDER BY id ASC"
" AND ( $5 IS NULL OR NOT(type IN ($5)) )" +
" ORDER BY id ASC LIMIT $6"
const selectMaxAccountDataIDSQL = "" + const selectMaxAccountDataIDSQL = "" +
"SELECT MAX(id) FROM syncapi_account_data_type" "SELECT MAX(id) FROM syncapi_account_data_type"
@ -53,8 +49,8 @@ const selectMaxAccountDataIDSQL = "" +
type accountDataStatements struct { type accountDataStatements struct {
streamIDStatements *streamIDStatements streamIDStatements *streamIDStatements
insertAccountDataStmt *sql.Stmt insertAccountDataStmt *sql.Stmt
selectAccountDataInRangeStmt *sql.Stmt
selectMaxAccountDataIDStmt *sql.Stmt selectMaxAccountDataIDStmt *sql.Stmt
selectAccountDataInRangeStmt *sql.Stmt
} }
func (s *accountDataStatements) prepare(db *sql.DB, streamID *streamIDStatements) (err error) { func (s *accountDataStatements) prepare(db *sql.DB, streamID *streamIDStatements) (err error) {
@ -66,10 +62,10 @@ func (s *accountDataStatements) prepare(db *sql.DB, streamID *streamIDStatements
if s.insertAccountDataStmt, err = db.Prepare(insertAccountDataSQL); err != nil { if s.insertAccountDataStmt, err = db.Prepare(insertAccountDataSQL); err != nil {
return return
} }
if s.selectAccountDataInRangeStmt, err = db.Prepare(selectAccountDataInRangeSQL); err != nil { if s.selectMaxAccountDataIDStmt, err = db.Prepare(selectMaxAccountDataIDSQL); err != nil {
return return
} }
if s.selectMaxAccountDataIDStmt, err = db.Prepare(selectMaxAccountDataIDSQL); err != nil { if s.selectAccountDataInRangeStmt, err = db.Prepare(selectAccountDataInRangeSQL); err != nil {
return return
} }
return return
@ -83,8 +79,7 @@ func (s *accountDataStatements) insertAccountData(
if err != nil { if err != nil {
return return
} }
insertStmt := common.TxStmt(txn, s.insertAccountDataStmt) _, err = txn.Stmt(s.insertAccountDataStmt).ExecContext(ctx, pos, userID, roomID, dataType)
_, err = insertStmt.ExecContext(ctx, pos, userID, roomID, dataType)
return return
} }
@ -103,14 +98,13 @@ func (s *accountDataStatements) selectAccountDataInRange(
oldPos-- oldPos--
} }
rows, err := s.selectAccountDataInRangeStmt.QueryContext(ctx, userID, oldPos, newPos, rows, err := s.selectAccountDataInRangeStmt.QueryContext(ctx, userID, oldPos, newPos)
pq.StringArray(filterConvertTypeWildcardToSQL(accountDataFilterPart.Types)),
pq.StringArray(filterConvertTypeWildcardToSQL(accountDataFilterPart.NotTypes)),
accountDataFilterPart.Limit,
)
if err != nil { if err != nil {
return return
} }
defer rows.Close() // nolint: errcheck
var entries int
for rows.Next() { for rows.Next() {
var dataType string var dataType string
@ -120,22 +114,41 @@ func (s *accountDataStatements) selectAccountDataInRange(
return return
} }
// check if we should add this by looking at the filter.
// It would be nice if we could do this in SQL-land, but the mix of variadic
// and positional parameters makes the query annoyingly hard to do, it's easier
// and clearer to do it in Go-land. If there are no filters for [not]types then
// this gets skipped.
for _, includeType := range accountDataFilterPart.Types {
if includeType != dataType { // TODO: wildcard support
continue
}
}
for _, excludeType := range accountDataFilterPart.NotTypes {
if excludeType == dataType { // TODO: wildcard support
continue
}
}
if len(data[roomID]) > 0 { if len(data[roomID]) > 0 {
data[roomID] = append(data[roomID], dataType) data[roomID] = append(data[roomID], dataType)
} else { } else {
data[roomID] = []string{dataType} data[roomID] = []string{dataType}
} }
entries++
if entries >= accountDataFilterPart.Limit {
break
}
} }
return return data, nil
} }
func (s *accountDataStatements) selectMaxAccountDataID( func (s *accountDataStatements) selectMaxAccountDataID(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
) (id int64, err error) { ) (id int64, err error) {
var nullableID sql.NullInt64 var nullableID sql.NullInt64
stmt := common.TxStmt(txn, s.selectMaxAccountDataIDStmt) err = txn.Stmt(s.selectMaxAccountDataIDStmt).QueryRowContext(ctx).Scan(&nullableID)
err = stmt.QueryRowContext(ctx).Scan(&nullableID)
if nullableID.Valid { if nullableID.Valid {
id = nullableID.Int64 id = nullableID.Int64
} }

View file

@ -336,8 +336,12 @@ func (d *SyncServerDatasource) GetEventsInRange(
} }
// SyncPosition returns the latest positions for syncing. // SyncPosition returns the latest positions for syncing.
func (d *SyncServerDatasource) SyncPosition(ctx context.Context) (types.PaginationToken, error) { func (d *SyncServerDatasource) SyncPosition(ctx context.Context) (tok types.PaginationToken, err error) {
return d.syncPositionTx(ctx, nil) err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
tok, err = d.syncPositionTx(ctx, txn)
return err
})
return
} }
// BackwardExtremitiesForRoom returns the event IDs of all of the backward // BackwardExtremitiesForRoom returns the event IDs of all of the backward
@ -376,8 +380,12 @@ func (d *SyncServerDatasource) EventPositionInTopology(
} }
// SyncStreamPosition returns the latest position in the sync stream. Returns 0 if there are no events yet. // SyncStreamPosition returns the latest position in the sync stream. Returns 0 if there are no events yet.
func (d *SyncServerDatasource) SyncStreamPosition(ctx context.Context) (types.StreamPosition, error) { func (d *SyncServerDatasource) SyncStreamPosition(ctx context.Context) (pos types.StreamPosition, err error) {
return d.syncStreamPositionTx(ctx, nil) err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
pos, err = d.syncStreamPositionTx(ctx, txn)
return err
})
return
} }
func (d *SyncServerDatasource) syncStreamPositionTx( func (d *SyncServerDatasource) syncStreamPositionTx(
@ -734,18 +742,10 @@ func (d *SyncServerDatasource) GetAccountDataInRange(
func (d *SyncServerDatasource) UpsertAccountData( func (d *SyncServerDatasource) UpsertAccountData(
ctx context.Context, userID, roomID, dataType string, ctx context.Context, userID, roomID, dataType string,
) (sp types.StreamPosition, err error) { ) (sp types.StreamPosition, err error) {
txn, err := d.db.BeginTx(ctx, nil) err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
if err != nil { sp, err = d.accountData.insertAccountData(ctx, txn, userID, roomID, dataType)
return types.StreamPosition(0), err return err
} })
var succeeded bool
defer func() {
txerr := common.EndTransaction(txn, &succeeded)
if err == nil && txerr != nil {
err = txerr
}
}()
sp, err = d.accountData.insertAccountData(ctx, txn, userID, roomID, dataType)
return return
} }