Add federation peeking table tests (#2920)

As the title says, adds tests for inbound/outbound peeking federation
table tests.

Also removes some unused code

federationapi/queue/queue_test.go

@@ -221,28 +221,6 @@ func (d *fakeDatabase) CleanEDUs(ctx context.Context, serverName gomatrixserverl
 	return nil
 }
 
-func (d *fakeDatabase) GetPendingPDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error) {
-	d.dbMutex.Lock()
-	defer d.dbMutex.Unlock()
-
-	var count int64
-	if pdus, ok := d.associatedPDUs[serverName]; ok {
-		count = int64(len(pdus))
-	}
-	return count, nil
-}
-
-func (d *fakeDatabase) GetPendingEDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error) {
-	d.dbMutex.Lock()
-	defer d.dbMutex.Unlock()
-
-	var count int64
-	if edus, ok := d.associatedEDUs[serverName]; ok {
-		count = int64(len(edus))
-	}
-	return count, nil
-}
-
 func (d *fakeDatabase) GetPendingPDUServerNames(ctx context.Context) ([]gomatrixserverlib.ServerName, error) {
 	d.dbMutex.Lock()
 	defer d.dbMutex.Unlock()

federationapi/storage/interface.go

@@ -45,9 +45,6 @@ type Database interface {
 	CleanPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error
 	CleanEDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error
 
-	GetPendingPDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error)
-	GetPendingEDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error)
-
 	GetPendingPDUServerNames(ctx context.Context) ([]gomatrixserverlib.ServerName, error)
 	GetPendingEDUServerNames(ctx context.Context) ([]gomatrixserverlib.ServerName, error)
 

federationapi/storage/postgres/inbound_peeks_table.go

@@ -44,13 +44,13 @@ const selectInboundPeekSQL = "" +
 	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const selectInboundPeeksSQL = "" +
-	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1"
+	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1 ORDER by creation_ts"
 
 const renewInboundPeekSQL = "" +
 	"UPDATE federationsender_inbound_peeks SET renewed_ts=$1, renewal_interval=$2 WHERE room_id = $3 and server_name = $4 and peek_id = $5"
 
 const deleteInboundPeekSQL = "" +
-	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2"
+	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const deleteInboundPeeksSQL = "" +
 	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1"
@@ -74,25 +74,15 @@ func NewPostgresInboundPeeksTable(db *sql.DB) (s *inboundPeeksStatements, err er
 		return
 	}
 
-	if s.insertInboundPeekStmt, err = db.Prepare(insertInboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectInboundPeekStmt, err = db.Prepare(selectInboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectInboundPeeksStmt, err = db.Prepare(selectInboundPeeksSQL); err != nil {
-		return
-	}
-	if s.renewInboundPeekStmt, err = db.Prepare(renewInboundPeekSQL); err != nil {
-		return
-	}
-	if s.deleteInboundPeeksStmt, err = db.Prepare(deleteInboundPeeksSQL); err != nil {
-		return
-	}
-	if s.deleteInboundPeekStmt, err = db.Prepare(deleteInboundPeekSQL); err != nil {
-		return
-	}
-	return
+	return s, sqlutil.StatementList{
+		{&s.insertInboundPeekStmt, insertInboundPeekSQL},
+		{&s.selectInboundPeekStmt, selectInboundPeekSQL},
+		{&s.selectInboundPeekStmt, selectInboundPeekSQL},
+		{&s.selectInboundPeeksStmt, selectInboundPeeksSQL},
+		{&s.renewInboundPeekStmt, renewInboundPeekSQL},
+		{&s.deleteInboundPeeksStmt, deleteInboundPeeksSQL},
+		{&s.deleteInboundPeekStmt, deleteInboundPeekSQL},
+	}.Prepare(db)
 }
 
 func (s *inboundPeeksStatements) InsertInboundPeek(

federationapi/storage/postgres/outbound_peeks_table.go

@@ -44,13 +44,13 @@ const selectOutboundPeekSQL = "" +
 	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const selectOutboundPeeksSQL = "" +
-	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1"
+	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1 ORDER BY creation_ts"
 
 const renewOutboundPeekSQL = "" +
 	"UPDATE federationsender_outbound_peeks SET renewed_ts=$1, renewal_interval=$2 WHERE room_id = $3 and server_name = $4 and peek_id = $5"
 
 const deleteOutboundPeekSQL = "" +
-	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2"
+	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const deleteOutboundPeeksSQL = "" +
 	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1"
@@ -74,25 +74,14 @@ func NewPostgresOutboundPeeksTable(db *sql.DB) (s *outboundPeeksStatements, err
 		return
 	}
 
-	if s.insertOutboundPeekStmt, err = db.Prepare(insertOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectOutboundPeekStmt, err = db.Prepare(selectOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectOutboundPeeksStmt, err = db.Prepare(selectOutboundPeeksSQL); err != nil {
-		return
-	}
-	if s.renewOutboundPeekStmt, err = db.Prepare(renewOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.deleteOutboundPeeksStmt, err = db.Prepare(deleteOutboundPeeksSQL); err != nil {
-		return
-	}
-	if s.deleteOutboundPeekStmt, err = db.Prepare(deleteOutboundPeekSQL); err != nil {
-		return
-	}
-	return
+	return s, sqlutil.StatementList{
+		{&s.insertOutboundPeekStmt, insertOutboundPeekSQL},
+		{&s.selectOutboundPeekStmt, selectOutboundPeekSQL},
+		{&s.selectOutboundPeeksStmt, selectOutboundPeeksSQL},
+		{&s.renewOutboundPeekStmt, renewOutboundPeekSQL},
+		{&s.deleteOutboundPeeksStmt, deleteOutboundPeeksSQL},
+		{&s.deleteOutboundPeekStmt, deleteOutboundPeekSQL},
+	}.Prepare(db)
 }
 
 func (s *outboundPeeksStatements) InsertOutboundPeek(

federationapi/storage/postgres/queue_edus_table.go

@@ -62,10 +62,6 @@ const selectQueueEDUReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_edus" +
 	" WHERE json_nid = $1"
 
-const selectQueueEDUCountSQL = "" +
-	"SELECT COUNT(*) FROM federationsender_queue_edus" +
-	" WHERE server_name = $1"
-
 const selectQueueServerNamesSQL = "" +
 	"SELECT DISTINCT server_name FROM federationsender_queue_edus"
 
@@ -81,7 +77,6 @@ type queueEDUsStatements struct {
 	deleteQueueEDUStmt                   *sql.Stmt
 	selectQueueEDUStmt                   *sql.Stmt
 	selectQueueEDUReferenceJSONCountStmt *sql.Stmt
-	selectQueueEDUCountStmt              *sql.Stmt
 	selectQueueEDUServerNamesStmt        *sql.Stmt
 	selectExpiredEDUsStmt                *sql.Stmt
 	deleteExpiredEDUsStmt                *sql.Stmt
@@ -116,7 +111,6 @@ func (s *queueEDUsStatements) Prepare() error {
 		{&s.deleteQueueEDUStmt, deleteQueueEDUSQL},
 		{&s.selectQueueEDUStmt, selectQueueEDUSQL},
 		{&s.selectQueueEDUReferenceJSONCountStmt, selectQueueEDUReferenceJSONCountSQL},
-		{&s.selectQueueEDUCountStmt, selectQueueEDUCountSQL},
 		{&s.selectQueueEDUServerNamesStmt, selectQueueServerNamesSQL},
 		{&s.selectExpiredEDUsStmt, selectExpiredEDUsSQL},
 		{&s.deleteExpiredEDUsStmt, deleteExpiredEDUsSQL},
@@ -186,21 +180,6 @@ func (s *queueEDUsStatements) SelectQueueEDUReferenceJSONCount(
 	return count, err
 }
 
-func (s *queueEDUsStatements) SelectQueueEDUCount(
-	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	var count int64
-	stmt := sqlutil.TxStmt(txn, s.selectQueueEDUCountStmt)
-	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
-	if err == sql.ErrNoRows {
-		// It's acceptable for there to be no rows referencing a given
-		// JSON NID but it's not an error condition. Just return as if
-		// there's a zero count.
-		return 0, nil
-	}
-	return count, err
-}
-
 func (s *queueEDUsStatements) SelectQueueEDUServerNames(
 	ctx context.Context, txn *sql.Tx,
 ) ([]gomatrixserverlib.ServerName, error) {

federationapi/storage/postgres/queue_pdus_table.go

@@ -58,10 +58,6 @@ const selectQueuePDUReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
 	" WHERE json_nid = $1"
 
-const selectQueuePDUsCountSQL = "" +
-	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
-	" WHERE server_name = $1"
-
 const selectQueuePDUServerNamesSQL = "" +
 	"SELECT DISTINCT server_name FROM federationsender_queue_pdus"
 
@@ -71,7 +67,6 @@ type queuePDUsStatements struct {
 	deleteQueuePDUsStmt                  *sql.Stmt
 	selectQueuePDUsStmt                  *sql.Stmt
 	selectQueuePDUReferenceJSONCountStmt *sql.Stmt
-	selectQueuePDUsCountStmt             *sql.Stmt
 	selectQueuePDUServerNamesStmt        *sql.Stmt
 }
 
@@ -95,9 +90,6 @@ func NewPostgresQueuePDUsTable(db *sql.DB) (s *queuePDUsStatements, err error) {
 	if s.selectQueuePDUReferenceJSONCountStmt, err = s.db.Prepare(selectQueuePDUReferenceJSONCountSQL); err != nil {
 		return
 	}
-	if s.selectQueuePDUsCountStmt, err = s.db.Prepare(selectQueuePDUsCountSQL); err != nil {
-		return
-	}
 	if s.selectQueuePDUServerNamesStmt, err = s.db.Prepare(selectQueuePDUServerNamesSQL); err != nil {
 		return
 	}
@@ -146,21 +138,6 @@ func (s *queuePDUsStatements) SelectQueuePDUReferenceJSONCount(
 	return count, err
 }
 
-func (s *queuePDUsStatements) SelectQueuePDUCount(
-	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	var count int64
-	stmt := sqlutil.TxStmt(txn, s.selectQueuePDUsCountStmt)
-	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
-	if err == sql.ErrNoRows {
-		// It's acceptable for there to be no rows referencing a given
-		// JSON NID but it's not an error condition. Just return as if
-		// there's a zero count.
-		return 0, nil
-	}
-	return count, err
-}
-
 func (s *queuePDUsStatements) SelectQueuePDUs(
 	ctx context.Context, txn *sql.Tx,
 	serverName gomatrixserverlib.ServerName,

federationapi/storage/shared/storage_edus.go

@@ -162,15 +162,6 @@ func (d *Database) CleanEDUs(
 	})
 }
 
-// GetPendingEDUCount returns the number of EDUs waiting to be
-// sent for a given servername.
-func (d *Database) GetPendingEDUCount(
-	ctx context.Context,
-	serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	return d.FederationQueueEDUs.SelectQueueEDUCount(ctx, nil, serverName)
-}
-
 // GetPendingServerNames returns the server names that have EDUs
 // waiting to be sent.
 func (d *Database) GetPendingEDUServerNames(

federationapi/storage/shared/storage_pdus.go

@@ -141,15 +141,6 @@ func (d *Database) CleanPDUs(
 	})
 }
 
-// GetPendingPDUCount returns the number of PDUs waiting to be
-// sent for a given servername.
-func (d *Database) GetPendingPDUCount(
-	ctx context.Context,
-	serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	return d.FederationQueuePDUs.SelectQueuePDUCount(ctx, nil, serverName)
-}
-
 // GetPendingServerNames returns the server names that have PDUs
 // waiting to be sent.
 func (d *Database) GetPendingPDUServerNames(

federationapi/storage/sqlite3/inbound_peeks_table.go

@@ -44,13 +44,13 @@ const selectInboundPeekSQL = "" +
 	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const selectInboundPeeksSQL = "" +
-	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1"
+	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_inbound_peeks WHERE room_id = $1 ORDER BY creation_ts"
 
 const renewInboundPeekSQL = "" +
 	"UPDATE federationsender_inbound_peeks SET renewed_ts=$1, renewal_interval=$2 WHERE room_id = $3 and server_name = $4 and peek_id = $5"
 
 const deleteInboundPeekSQL = "" +
-	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2"
+	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const deleteInboundPeeksSQL = "" +
 	"DELETE FROM federationsender_inbound_peeks WHERE room_id = $1"
@@ -74,25 +74,15 @@ func NewSQLiteInboundPeeksTable(db *sql.DB) (s *inboundPeeksStatements, err erro
 		return
 	}
 
-	if s.insertInboundPeekStmt, err = db.Prepare(insertInboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectInboundPeekStmt, err = db.Prepare(selectInboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectInboundPeeksStmt, err = db.Prepare(selectInboundPeeksSQL); err != nil {
-		return
-	}
-	if s.renewInboundPeekStmt, err = db.Prepare(renewInboundPeekSQL); err != nil {
-		return
-	}
-	if s.deleteInboundPeeksStmt, err = db.Prepare(deleteInboundPeeksSQL); err != nil {
-		return
-	}
-	if s.deleteInboundPeekStmt, err = db.Prepare(deleteInboundPeekSQL); err != nil {
-		return
-	}
-	return
+	return s, sqlutil.StatementList{
+		{&s.insertInboundPeekStmt, insertInboundPeekSQL},
+		{&s.selectInboundPeekStmt, selectInboundPeekSQL},
+		{&s.selectInboundPeekStmt, selectInboundPeekSQL},
+		{&s.selectInboundPeeksStmt, selectInboundPeeksSQL},
+		{&s.renewInboundPeekStmt, renewInboundPeekSQL},
+		{&s.deleteInboundPeeksStmt, deleteInboundPeeksSQL},
+		{&s.deleteInboundPeekStmt, deleteInboundPeekSQL},
+	}.Prepare(db)
 }
 
 func (s *inboundPeeksStatements) InsertInboundPeek(

federationapi/storage/sqlite3/outbound_peeks_table.go

@@ -44,13 +44,13 @@ const selectOutboundPeekSQL = "" +
 	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const selectOutboundPeeksSQL = "" +
-	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1"
+	"SELECT room_id, server_name, peek_id, creation_ts, renewed_ts, renewal_interval FROM federationsender_outbound_peeks WHERE room_id = $1 ORDER BY creation_ts"
 
 const renewOutboundPeekSQL = "" +
 	"UPDATE federationsender_outbound_peeks SET renewed_ts=$1, renewal_interval=$2 WHERE room_id = $3 and server_name = $4 and peek_id = $5"
 
 const deleteOutboundPeekSQL = "" +
-	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2"
+	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1 and server_name = $2 and peek_id = $3"
 
 const deleteOutboundPeeksSQL = "" +
 	"DELETE FROM federationsender_outbound_peeks WHERE room_id = $1"
@@ -74,25 +74,14 @@ func NewSQLiteOutboundPeeksTable(db *sql.DB) (s *outboundPeeksStatements, err er
 		return
 	}
 
-	if s.insertOutboundPeekStmt, err = db.Prepare(insertOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectOutboundPeekStmt, err = db.Prepare(selectOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.selectOutboundPeeksStmt, err = db.Prepare(selectOutboundPeeksSQL); err != nil {
-		return
-	}
-	if s.renewOutboundPeekStmt, err = db.Prepare(renewOutboundPeekSQL); err != nil {
-		return
-	}
-	if s.deleteOutboundPeeksStmt, err = db.Prepare(deleteOutboundPeeksSQL); err != nil {
-		return
-	}
-	if s.deleteOutboundPeekStmt, err = db.Prepare(deleteOutboundPeekSQL); err != nil {
-		return
-	}
-	return
+	return s, sqlutil.StatementList{
+		{&s.insertOutboundPeekStmt, insertOutboundPeekSQL},
+		{&s.selectOutboundPeekStmt, selectOutboundPeekSQL},
+		{&s.selectOutboundPeeksStmt, selectOutboundPeeksSQL},
+		{&s.renewOutboundPeekStmt, renewOutboundPeekSQL},
+		{&s.deleteOutboundPeeksStmt, deleteOutboundPeeksSQL},
+		{&s.deleteOutboundPeekStmt, deleteOutboundPeekSQL},
+	}.Prepare(db)
 }
 
 func (s *outboundPeeksStatements) InsertOutboundPeek(

federationapi/storage/sqlite3/queue_edus_table.go

@@ -63,10 +63,6 @@ const selectQueueEDUReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_edus" +
 	" WHERE json_nid = $1"
 
-const selectQueueEDUCountSQL = "" +
-	"SELECT COUNT(*) FROM federationsender_queue_edus" +
-	" WHERE server_name = $1"
-
 const selectQueueServerNamesSQL = "" +
 	"SELECT DISTINCT server_name FROM federationsender_queue_edus"
 
@@ -82,7 +78,6 @@ type queueEDUsStatements struct {
 	// deleteQueueEDUStmt                *sql.Stmt - prepared at runtime due to variadic
 	selectQueueEDUStmt                   *sql.Stmt
 	selectQueueEDUReferenceJSONCountStmt *sql.Stmt
-	selectQueueEDUCountStmt              *sql.Stmt
 	selectQueueEDUServerNamesStmt        *sql.Stmt
 	selectExpiredEDUsStmt                *sql.Stmt
 	deleteExpiredEDUsStmt                *sql.Stmt
@@ -116,7 +111,6 @@ func (s *queueEDUsStatements) Prepare() error {
 		{&s.insertQueueEDUStmt, insertQueueEDUSQL},
 		{&s.selectQueueEDUStmt, selectQueueEDUSQL},
 		{&s.selectQueueEDUReferenceJSONCountStmt, selectQueueEDUReferenceJSONCountSQL},
-		{&s.selectQueueEDUCountStmt, selectQueueEDUCountSQL},
 		{&s.selectQueueEDUServerNamesStmt, selectQueueServerNamesSQL},
 		{&s.selectExpiredEDUsStmt, selectExpiredEDUsSQL},
 		{&s.deleteExpiredEDUsStmt, deleteExpiredEDUsSQL},
@@ -198,21 +192,6 @@ func (s *queueEDUsStatements) SelectQueueEDUReferenceJSONCount(
 	return count, err
 }
 
-func (s *queueEDUsStatements) SelectQueueEDUCount(
-	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	var count int64
-	stmt := sqlutil.TxStmt(txn, s.selectQueueEDUCountStmt)
-	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
-	if err == sql.ErrNoRows {
-		// It's acceptable for there to be no rows referencing a given
-		// JSON NID but it's not an error condition. Just return as if
-		// there's a zero count.
-		return 0, nil
-	}
-	return count, err
-}
-
 func (s *queueEDUsStatements) SelectQueueEDUServerNames(
 	ctx context.Context, txn *sql.Tx,
 ) ([]gomatrixserverlib.ServerName, error) {

federationapi/storage/sqlite3/queue_pdus_table.go

@@ -66,10 +66,6 @@ const selectQueuePDUsReferenceJSONCountSQL = "" +
 	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
 	" WHERE json_nid = $1"
 
-const selectQueuePDUsCountSQL = "" +
-	"SELECT COUNT(*) FROM federationsender_queue_pdus" +
-	" WHERE server_name = $1"
-
 const selectQueuePDUsServerNamesSQL = "" +
 	"SELECT DISTINCT server_name FROM federationsender_queue_pdus"
 
@@ -79,7 +75,6 @@ type queuePDUsStatements struct {
 	selectQueueNextTransactionIDStmt  *sql.Stmt
 	selectQueuePDUsStmt               *sql.Stmt
 	selectQueueReferenceJSONCountStmt *sql.Stmt
-	selectQueuePDUsCountStmt          *sql.Stmt
 	selectQueueServerNamesStmt        *sql.Stmt
 	// deleteQueuePDUsStmt *sql.Stmt - prepared at runtime due to variadic
 }
@@ -107,9 +102,6 @@ func NewSQLiteQueuePDUsTable(db *sql.DB) (s *queuePDUsStatements, err error) {
 	if s.selectQueueReferenceJSONCountStmt, err = db.Prepare(selectQueuePDUsReferenceJSONCountSQL); err != nil {
 		return
 	}
-	if s.selectQueuePDUsCountStmt, err = db.Prepare(selectQueuePDUsCountSQL); err != nil {
-		return
-	}
 	if s.selectQueueServerNamesStmt, err = db.Prepare(selectQueuePDUsServerNamesSQL); err != nil {
 		return
 	}
@@ -179,21 +171,6 @@ func (s *queuePDUsStatements) SelectQueuePDUReferenceJSONCount(
 	return count, err
 }
 
-func (s *queuePDUsStatements) SelectQueuePDUCount(
-	ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
-) (int64, error) {
-	var count int64
-	stmt := sqlutil.TxStmt(txn, s.selectQueuePDUsCountStmt)
-	err := stmt.QueryRowContext(ctx, serverName).Scan(&count)
-	if err == sql.ErrNoRows {
-		// It's acceptable for there to be no rows referencing a given
-		// JSON NID but it's not an error condition. Just return as if
-		// there's a zero count.
-		return 0, nil
-	}
-	return count, err
-}
-
 func (s *queuePDUsStatements) SelectQueuePDUs(
 	ctx context.Context, txn *sql.Tx,
 	serverName gomatrixserverlib.ServerName,

federationapi/storage/storage_test.go

@@ -2,10 +2,12 @@ package storage_test
 
 import (
 	"context"
+	"reflect"
 	"testing"
 	"time"
 
 	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
 	"github.com/stretchr/testify/assert"
 
 	"github.com/matrix-org/dendrite/federationapi/storage"
@@ -80,3 +82,167 @@ func TestExpireEDUs(t *testing.T) {
 		assert.Equal(t, 2, len(data))
 	})
 }
+
+func TestOutboundPeeking(t *testing.T) {
+	alice := test.NewUser(t)
+	room := test.NewRoom(t, alice)
+	_, serverName, _ := gomatrixserverlib.SplitID('@', alice.ID)
+	ctx := context.Background()
+
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		db, closeDB := mustCreateFederationDatabase(t, dbType)
+		defer closeDB()
+		peekID := util.RandomString(8)
+		var renewalInterval int64 = 1000
+
+		// Add outbound peek
+		if err := db.AddOutboundPeek(ctx, serverName, room.ID, peekID, renewalInterval); err != nil {
+			t.Fatal(err)
+		}
+
+		// select the newly inserted peek
+		outboundPeek1, err := db.GetOutboundPeek(ctx, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		// Assert fields are set as expected
+		if outboundPeek1.PeekID != peekID {
+			t.Fatalf("unexpected outbound peek ID: %s, want %s", outboundPeek1.PeekID, peekID)
+		}
+		if outboundPeek1.RoomID != room.ID {
+			t.Fatalf("unexpected outbound peek room ID: %s, want %s", outboundPeek1.RoomID, peekID)
+		}
+		if outboundPeek1.ServerName != serverName {
+			t.Fatalf("unexpected outbound peek servername: %s, want %s", outboundPeek1.ServerName, serverName)
+		}
+		if outboundPeek1.RenewalInterval != renewalInterval {
+			t.Fatalf("unexpected outbound peek renewal interval: %d, want %d", outboundPeek1.RenewalInterval, renewalInterval)
+		}
+		// Renew the peek
+		if err = db.RenewOutboundPeek(ctx, serverName, room.ID, peekID, 2000); err != nil {
+			t.Fatal(err)
+		}
+
+		// verify the values changed
+		outboundPeek2, err := db.GetOutboundPeek(ctx, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if reflect.DeepEqual(outboundPeek1, outboundPeek2) {
+			t.Fatal("expected a change peek, but they are the same")
+		}
+		if outboundPeek1.ServerName != outboundPeek2.ServerName {
+			t.Fatalf("unexpected servername change: %s -> %s", outboundPeek1.ServerName, outboundPeek2.ServerName)
+		}
+		if outboundPeek1.RoomID != outboundPeek2.RoomID {
+			t.Fatalf("unexpected roomID change: %s -> %s", outboundPeek1.RoomID, outboundPeek2.RoomID)
+		}
+
+		// insert some peeks
+		peekIDs := []string{peekID}
+		for i := 0; i < 5; i++ {
+			peekID = util.RandomString(8)
+			if err = db.AddOutboundPeek(ctx, serverName, room.ID, peekID, 1000); err != nil {
+				t.Fatal(err)
+			}
+			peekIDs = append(peekIDs, peekID)
+		}
+
+		// Now select them
+		outboundPeeks, err := db.GetOutboundPeeks(ctx, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(outboundPeeks) != len(peekIDs) {
+			t.Fatalf("inserted %d peeks, selected %d", len(peekIDs), len(outboundPeeks))
+		}
+		for i := range outboundPeeks {
+			if outboundPeeks[i].PeekID != peekIDs[i] {
+				t.Fatalf("unexpected peek ID: %s, want %s", outboundPeeks[i].PeekID, peekIDs[i])
+			}
+		}
+	})
+}
+
+func TestInboundPeeking(t *testing.T) {
+	alice := test.NewUser(t)
+	room := test.NewRoom(t, alice)
+	_, serverName, _ := gomatrixserverlib.SplitID('@', alice.ID)
+	ctx := context.Background()
+
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		db, closeDB := mustCreateFederationDatabase(t, dbType)
+		defer closeDB()
+		peekID := util.RandomString(8)
+		var renewalInterval int64 = 1000
+
+		// Add inbound peek
+		if err := db.AddInboundPeek(ctx, serverName, room.ID, peekID, renewalInterval); err != nil {
+			t.Fatal(err)
+		}
+
+		// select the newly inserted peek
+		inboundPeek1, err := db.GetInboundPeek(ctx, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		// Assert fields are set as expected
+		if inboundPeek1.PeekID != peekID {
+			t.Fatalf("unexpected inbound peek ID: %s, want %s", inboundPeek1.PeekID, peekID)
+		}
+		if inboundPeek1.RoomID != room.ID {
+			t.Fatalf("unexpected inbound peek room ID: %s, want %s", inboundPeek1.RoomID, peekID)
+		}
+		if inboundPeek1.ServerName != serverName {
+			t.Fatalf("unexpected inbound peek servername: %s, want %s", inboundPeek1.ServerName, serverName)
+		}
+		if inboundPeek1.RenewalInterval != renewalInterval {
+			t.Fatalf("unexpected inbound peek renewal interval: %d, want %d", inboundPeek1.RenewalInterval, renewalInterval)
+		}
+		// Renew the peek
+		if err = db.RenewInboundPeek(ctx, serverName, room.ID, peekID, 2000); err != nil {
+			t.Fatal(err)
+		}
+
+		// verify the values changed
+		inboundPeek2, err := db.GetInboundPeek(ctx, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if reflect.DeepEqual(inboundPeek1, inboundPeek2) {
+			t.Fatal("expected a change peek, but they are the same")
+		}
+		if inboundPeek1.ServerName != inboundPeek2.ServerName {
+			t.Fatalf("unexpected servername change: %s -> %s", inboundPeek1.ServerName, inboundPeek2.ServerName)
+		}
+		if inboundPeek1.RoomID != inboundPeek2.RoomID {
+			t.Fatalf("unexpected roomID change: %s -> %s", inboundPeek1.RoomID, inboundPeek2.RoomID)
+		}
+
+		// insert some peeks
+		peekIDs := []string{peekID}
+		for i := 0; i < 5; i++ {
+			peekID = util.RandomString(8)
+			if err = db.AddInboundPeek(ctx, serverName, room.ID, peekID, 1000); err != nil {
+				t.Fatal(err)
+			}
+			peekIDs = append(peekIDs, peekID)
+		}
+
+		// Now select them
+		inboundPeeks, err := db.GetInboundPeeks(ctx, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(inboundPeeks) != len(peekIDs) {
+			t.Fatalf("inserted %d peeks, selected %d", len(peekIDs), len(inboundPeeks))
+		}
+		for i := range inboundPeeks {
+			if inboundPeeks[i].PeekID != peekIDs[i] {
+				t.Fatalf("unexpected peek ID: %s, want %s", inboundPeeks[i].PeekID, peekIDs[i])
+			}
+		}
+	})
+}

federationapi/storage/tables/inbound_peeks_table_test.go

@@ -0,0 +1,148 @@
+package tables_test
+
+import (
+	"context"
+	"reflect"
+	"testing"
+
+	"github.com/matrix-org/dendrite/federationapi/storage/postgres"
+	"github.com/matrix-org/dendrite/federationapi/storage/sqlite3"
+	"github.com/matrix-org/dendrite/federationapi/storage/tables"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/test"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+func mustCreateInboundpeeksTable(t *testing.T, dbType test.DBType) (tables.FederationInboundPeeks, func()) {
+	connStr, close := test.PrepareDBConnectionString(t, dbType)
+	db, err := sqlutil.Open(&config.DatabaseOptions{
+		ConnectionString: config.DataSource(connStr),
+	}, sqlutil.NewExclusiveWriter())
+	if err != nil {
+		t.Fatalf("failed to open database: %s", err)
+	}
+	var tab tables.FederationInboundPeeks
+	switch dbType {
+	case test.DBTypePostgres:
+		tab, err = postgres.NewPostgresInboundPeeksTable(db)
+	case test.DBTypeSQLite:
+		tab, err = sqlite3.NewSQLiteInboundPeeksTable(db)
+	}
+	if err != nil {
+		t.Fatalf("failed to create table: %s", err)
+	}
+	return tab, close
+}
+
+func TestInboundPeeksTable(t *testing.T) {
+	ctx := context.Background()
+	alice := test.NewUser(t)
+	room := test.NewRoom(t, alice)
+	_, serverName, _ := gomatrixserverlib.SplitID('@', alice.ID)
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		tab, closeDB := mustCreateInboundpeeksTable(t, dbType)
+		defer closeDB()
+
+		// Insert a peek
+		peekID := util.RandomString(8)
+		var renewalInterval int64 = 1000
+		if err := tab.InsertInboundPeek(ctx, nil, serverName, room.ID, peekID, renewalInterval); err != nil {
+			t.Fatal(err)
+		}
+
+		// select the newly inserted peek
+		inboundPeek1, err := tab.SelectInboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		// Assert fields are set as expected
+		if inboundPeek1.PeekID != peekID {
+			t.Fatalf("unexpected inbound peek ID: %s, want %s", inboundPeek1.PeekID, peekID)
+		}
+		if inboundPeek1.RoomID != room.ID {
+			t.Fatalf("unexpected inbound peek room ID: %s, want %s", inboundPeek1.RoomID, peekID)
+		}
+		if inboundPeek1.ServerName != serverName {
+			t.Fatalf("unexpected inbound peek servername: %s, want %s", inboundPeek1.ServerName, serverName)
+		}
+		if inboundPeek1.RenewalInterval != renewalInterval {
+			t.Fatalf("unexpected inbound peek renewal interval: %d, want %d", inboundPeek1.RenewalInterval, renewalInterval)
+		}
+
+		// Renew the peek
+		if err = tab.RenewInboundPeek(ctx, nil, serverName, room.ID, peekID, 2000); err != nil {
+			t.Fatal(err)
+		}
+
+		// verify the values changed
+		inboundPeek2, err := tab.SelectInboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if reflect.DeepEqual(inboundPeek1, inboundPeek2) {
+			t.Fatal("expected a change peek, but they are the same")
+		}
+		if inboundPeek1.ServerName != inboundPeek2.ServerName {
+			t.Fatalf("unexpected servername change: %s -> %s", inboundPeek1.ServerName, inboundPeek2.ServerName)
+		}
+		if inboundPeek1.RoomID != inboundPeek2.RoomID {
+			t.Fatalf("unexpected roomID change: %s -> %s", inboundPeek1.RoomID, inboundPeek2.RoomID)
+		}
+
+		// delete the peek
+		if err = tab.DeleteInboundPeek(ctx, nil, serverName, room.ID, peekID); err != nil {
+			t.Fatal(err)
+		}
+
+		// There should be no peek anymore
+		peek, err := tab.SelectInboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if peek != nil {
+			t.Fatalf("got a peek which should be deleted: %+v", peek)
+		}
+
+		// insert some peeks
+		var peekIDs []string
+		for i := 0; i < 5; i++ {
+			peekID = util.RandomString(8)
+			if err = tab.InsertInboundPeek(ctx, nil, serverName, room.ID, peekID, 1000); err != nil {
+				t.Fatal(err)
+			}
+			peekIDs = append(peekIDs, peekID)
+		}
+
+		// Now select them
+		inboundPeeks, err := tab.SelectInboundPeeks(ctx, nil, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(inboundPeeks) != len(peekIDs) {
+			t.Fatalf("inserted %d peeks, selected %d", len(peekIDs), len(inboundPeeks))
+		}
+		for i := range inboundPeeks {
+			if inboundPeeks[i].PeekID != peekIDs[i] {
+				t.Fatalf("")
+			}
+		}
+
+		// And delete them again
+		if err = tab.DeleteInboundPeeks(ctx, nil, room.ID); err != nil {
+			t.Fatal(err)
+		}
+
+		// they should be gone now
+		inboundPeeks, err = tab.SelectInboundPeeks(ctx, nil, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(inboundPeeks) > 0 {
+			t.Fatal("got inbound peeks which should be deleted")
+		}
+
+	})
+}

federationapi/storage/tables/interface.go

@@ -28,7 +28,6 @@ type FederationQueuePDUs interface {
 	InsertQueuePDU(ctx context.Context, txn *sql.Tx, transactionID gomatrixserverlib.TransactionID, serverName gomatrixserverlib.ServerName, nid int64) error
 	DeleteQueuePDUs(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName, jsonNIDs []int64) error
 	SelectQueuePDUReferenceJSONCount(ctx context.Context, txn *sql.Tx, jsonNID int64) (int64, error)
-	SelectQueuePDUCount(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName) (int64, error)
 	SelectQueuePDUs(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName, limit int) ([]int64, error)
 	SelectQueuePDUServerNames(ctx context.Context, txn *sql.Tx) ([]gomatrixserverlib.ServerName, error)
 }
@@ -38,7 +37,6 @@ type FederationQueueEDUs interface {
 	DeleteQueueEDUs(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName, jsonNIDs []int64) error
 	SelectQueueEDUs(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName, limit int) ([]int64, error)
 	SelectQueueEDUReferenceJSONCount(ctx context.Context, txn *sql.Tx, jsonNID int64) (int64, error)
-	SelectQueueEDUCount(ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName) (int64, error)
 	SelectQueueEDUServerNames(ctx context.Context, txn *sql.Tx) ([]gomatrixserverlib.ServerName, error)
 	SelectExpiredEDUs(ctx context.Context, txn *sql.Tx, expiredBefore gomatrixserverlib.Timestamp) ([]int64, error)
 	DeleteExpiredEDUs(ctx context.Context, txn *sql.Tx, expiredBefore gomatrixserverlib.Timestamp) error

federationapi/storage/tables/outbound_peeks_table_test.go

@@ -0,0 +1,147 @@
+package tables_test
+
+import (
+	"context"
+	"reflect"
+	"testing"
+
+	"github.com/matrix-org/dendrite/federationapi/storage/postgres"
+	"github.com/matrix-org/dendrite/federationapi/storage/sqlite3"
+	"github.com/matrix-org/dendrite/federationapi/storage/tables"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/test"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+func mustCreateOutboundpeeksTable(t *testing.T, dbType test.DBType) (tables.FederationOutboundPeeks, func()) {
+	connStr, close := test.PrepareDBConnectionString(t, dbType)
+	db, err := sqlutil.Open(&config.DatabaseOptions{
+		ConnectionString: config.DataSource(connStr),
+	}, sqlutil.NewExclusiveWriter())
+	if err != nil {
+		t.Fatalf("failed to open database: %s", err)
+	}
+	var tab tables.FederationOutboundPeeks
+	switch dbType {
+	case test.DBTypePostgres:
+		tab, err = postgres.NewPostgresOutboundPeeksTable(db)
+	case test.DBTypeSQLite:
+		tab, err = sqlite3.NewSQLiteOutboundPeeksTable(db)
+	}
+	if err != nil {
+		t.Fatalf("failed to create table: %s", err)
+	}
+	return tab, close
+}
+
+func TestOutboundPeeksTable(t *testing.T) {
+	ctx := context.Background()
+	alice := test.NewUser(t)
+	room := test.NewRoom(t, alice)
+	_, serverName, _ := gomatrixserverlib.SplitID('@', alice.ID)
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		tab, closeDB := mustCreateOutboundpeeksTable(t, dbType)
+		defer closeDB()
+
+		// Insert a peek
+		peekID := util.RandomString(8)
+		var renewalInterval int64 = 1000
+		if err := tab.InsertOutboundPeek(ctx, nil, serverName, room.ID, peekID, renewalInterval); err != nil {
+			t.Fatal(err)
+		}
+
+		// select the newly inserted peek
+		outboundPeek1, err := tab.SelectOutboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		// Assert fields are set as expected
+		if outboundPeek1.PeekID != peekID {
+			t.Fatalf("unexpected outbound peek ID: %s, want %s", outboundPeek1.PeekID, peekID)
+		}
+		if outboundPeek1.RoomID != room.ID {
+			t.Fatalf("unexpected outbound peek room ID: %s, want %s", outboundPeek1.RoomID, peekID)
+		}
+		if outboundPeek1.ServerName != serverName {
+			t.Fatalf("unexpected outbound peek servername: %s, want %s", outboundPeek1.ServerName, serverName)
+		}
+		if outboundPeek1.RenewalInterval != renewalInterval {
+			t.Fatalf("unexpected outbound peek renewal interval: %d, want %d", outboundPeek1.RenewalInterval, renewalInterval)
+		}
+
+		// Renew the peek
+		if err = tab.RenewOutboundPeek(ctx, nil, serverName, room.ID, peekID, 2000); err != nil {
+			t.Fatal(err)
+		}
+
+		// verify the values changed
+		outboundPeek2, err := tab.SelectOutboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if reflect.DeepEqual(outboundPeek1, outboundPeek2) {
+			t.Fatal("expected a change peek, but they are the same")
+		}
+		if outboundPeek1.ServerName != outboundPeek2.ServerName {
+			t.Fatalf("unexpected servername change: %s -> %s", outboundPeek1.ServerName, outboundPeek2.ServerName)
+		}
+		if outboundPeek1.RoomID != outboundPeek2.RoomID {
+			t.Fatalf("unexpected roomID change: %s -> %s", outboundPeek1.RoomID, outboundPeek2.RoomID)
+		}
+
+		// delete the peek
+		if err = tab.DeleteOutboundPeek(ctx, nil, serverName, room.ID, peekID); err != nil {
+			t.Fatal(err)
+		}
+
+		// There should be no peek anymore
+		peek, err := tab.SelectOutboundPeek(ctx, nil, serverName, room.ID, peekID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if peek != nil {
+			t.Fatalf("got a peek which should be deleted: %+v", peek)
+		}
+
+		// insert some peeks
+		var peekIDs []string
+		for i := 0; i < 5; i++ {
+			peekID = util.RandomString(8)
+			if err = tab.InsertOutboundPeek(ctx, nil, serverName, room.ID, peekID, 1000); err != nil {
+				t.Fatal(err)
+			}
+			peekIDs = append(peekIDs, peekID)
+		}
+
+		// Now select them
+		outboundPeeks, err := tab.SelectOutboundPeeks(ctx, nil, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(outboundPeeks) != len(peekIDs) {
+			t.Fatalf("inserted %d peeks, selected %d", len(peekIDs), len(outboundPeeks))
+		}
+		for i := range outboundPeeks {
+			if outboundPeeks[i].PeekID != peekIDs[i] {
+				t.Fatalf("")
+			}
+		}
+
+		// And delete them again
+		if err = tab.DeleteOutboundPeeks(ctx, nil, room.ID); err != nil {
+			t.Fatal(err)
+		}
+
+		// they should be gone now
+		outboundPeeks, err = tab.SelectOutboundPeeks(ctx, nil, room.ID)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(outboundPeeks) > 0 {
+			t.Fatal("got outbound peeks which should be deleted")
+		}
+	})
+}