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// Copyright 2017-2018 New Vector Ltd
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implie
// See the License for the specific language governing permissions and
// limitations under the License.
package postgres
import (
"database/sql"
"fmt"
// Import the postgres database driver.
_ "github.com/lib/pq"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/roomserver/storage/postgres/deltas"
"github.com/matrix-org/dendrite/roomserver/storage/shared"
"github.com/matrix-org/dendrite/setup/base"
"github.com/matrix-org/dendrite/setup/config"
)
// A Database is used to store room events and stream offsets.
type Database struct {
shared.Database
}
// Open a postgres database.
func Open(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.RoomServerCaches) (*Database, error) {
var d Database
var err error
db, writer, err := base.DatabaseConnection(dbProperties, sqlutil.NewDummyWriter())
if err != nil {
return nil, fmt.Errorf("sqlutil.Open: %w", err)
}
// Create the tables.
if err := d.create(db); err != nil {
return nil, err
}
// Then execute the migrations. By this point the tables are created with the latest
// schemas.
m := sqlutil.NewMigrations()
deltas.LoadAddForgottenColumn(m)
deltas.LoadStateBlocksRefactor(m)
if err := m.RunDeltas(db, dbProperties); err != nil {
return nil, err
}
// Then prepare the statements. Now that the migrations have run, any columns referred
// to in the database code should now exist.
if err := d.prepare(db, writer, cache); err != nil {
return nil, err
}
return &d, nil
}
func (d *Database) create(db *sql.DB) error {
if err := createEventStateKeysTable(db); err != nil {
return err
}
if err := createEventTypesTable(db); err != nil {
return err
}
if err := createEventJSONTable(db); err != nil {
return err
}
if err := createEventsTable(db); err != nil {
return err
}
if err := createRoomsTable(db); err != nil {
return err
}
if err := createStateBlockTable(db); err != nil {
return err
}
if err := createStateSnapshotTable(db); err != nil {
return err
}
if err := createPrevEventsTable(db); err != nil {
return err
}
if err := createRoomAliasesTable(db); err != nil {
return err
}
if err := createInvitesTable(db); err != nil {
return err
}
if err := createMembershipTable(db); err != nil {
return err
}
if err := createPublishedTable(db); err != nil {
return err
}
if err := createRedactionsTable(db); err != nil {
return err
}
return nil
}
func (d *Database) prepare(db *sql.DB, writer sqlutil.Writer, cache caching.RoomServerCaches) error {
eventStateKeys, err := prepareEventStateKeysTable(db)
if err != nil {
return err
}
eventTypes, err := prepareEventTypesTable(db)
if err != nil {
return err
}
eventJSON, err := prepareEventJSONTable(db)
if err != nil {
return err
}
events, err := prepareEventsTable(db)
if err != nil {
return err
}
rooms, err := prepareRoomsTable(db)
if err != nil {
return err
}
stateBlock, err := prepareStateBlockTable(db)
if err != nil {
return err
}
stateSnapshot, err := prepareStateSnapshotTable(db)
if err != nil {
return err
}
prevEvents, err := preparePrevEventsTable(db)
if err != nil {
return err
}
roomAliases, err := prepareRoomAliasesTable(db)
if err != nil {
return err
}
invites, err := prepareInvitesTable(db)
if err != nil {
return err
}
membership, err := prepareMembershipTable(db)
if err != nil {
return err
}
published, err := preparePublishedTable(db)
if err != nil {
return err
}
redactions, err := prepareRedactionsTable(db)
if err != nil {
return err
}
d.Database = shared.Database{
DB: db,
Cache: cache,
Writer: writer,
EventTypesTable: eventTypes,
EventStateKeysTable: eventStateKeys,
EventJSONTable: eventJSON,
EventsTable: events,
RoomsTable: rooms,
StateBlockTable: stateBlock,
StateSnapshotTable: stateSnapshot,
PrevEventsTable: prevEvents,
RoomAliasesTable: roomAliases,
InvitesTable: invites,
MembershipTable: membership,
PublishedTable: published,
RedactionsTable: redactions,
}
return nil
}
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