mirror of
https://github.com/matrix-org/dendrite
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eb352a5f6b
* 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 0caf8cf53e.
* Fix a couple of bugs
* Clearer commit and rollback results
* Remove unnecessary prepares
106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package postgres
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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)
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const publishedSchema = `
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-- Stores which rooms are published in the room directory
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CREATE TABLE IF NOT EXISTS roomserver_published (
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-- The room ID of the room
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room_id TEXT NOT NULL PRIMARY KEY,
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-- Whether it is published or not
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published BOOLEAN NOT NULL DEFAULT false
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);
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`
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const upsertPublishedSQL = "" +
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"INSERT INTO roomserver_published (room_id, published) VALUES ($1, $2) " +
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"ON CONFLICT (room_id) DO UPDATE SET published=$2"
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const selectAllPublishedSQL = "" +
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"SELECT room_id FROM roomserver_published WHERE published = $1 ORDER BY room_id ASC"
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const selectPublishedSQL = "" +
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"SELECT published FROM roomserver_published WHERE room_id = $1"
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type publishedStatements struct {
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upsertPublishedStmt *sql.Stmt
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selectAllPublishedStmt *sql.Stmt
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selectPublishedStmt *sql.Stmt
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}
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func createPublishedTable(db *sql.DB) error {
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_, err := db.Exec(publishedSchema)
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return err
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}
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func preparePublishedTable(db *sql.DB) (tables.Published, error) {
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s := &publishedStatements{}
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return s, sqlutil.StatementList{
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{&s.upsertPublishedStmt, upsertPublishedSQL},
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{&s.selectAllPublishedStmt, selectAllPublishedSQL},
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{&s.selectPublishedStmt, selectPublishedSQL},
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}.Prepare(db)
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}
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func (s *publishedStatements) UpsertRoomPublished(
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ctx context.Context, txn *sql.Tx, roomID string, published bool,
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) (err error) {
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stmt := sqlutil.TxStmt(txn, s.upsertPublishedStmt)
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_, err = stmt.ExecContext(ctx, roomID, published)
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return
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}
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func (s *publishedStatements) SelectPublishedFromRoomID(
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ctx context.Context, txn *sql.Tx, roomID string,
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) (published bool, err error) {
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stmt := sqlutil.TxStmt(txn, s.selectPublishedStmt)
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err = stmt.QueryRowContext(ctx, roomID).Scan(&published)
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if err == sql.ErrNoRows {
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return false, nil
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}
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return
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}
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func (s *publishedStatements) SelectAllPublishedRooms(
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ctx context.Context, txn *sql.Tx, published bool,
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) ([]string, error) {
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stmt := sqlutil.TxStmt(txn, s.selectAllPublishedStmt)
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rows, err := stmt.QueryContext(ctx, published)
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "selectAllPublishedStmt: rows.close() failed")
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var roomIDs []string
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for rows.Next() {
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var roomID string
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if err = rows.Scan(&roomID); err != nil {
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return nil, err
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}
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roomIDs = append(roomIDs, roomID)
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}
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return roomIDs, rows.Err()
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}
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