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https://github.com/1f349/dendrite.git
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234ed603e6
Doesn't buy us much, but makes everything a bit more consistent. Also removes the SQL trace driver, as it is unused and the output is hard to read anyway.
150 lines
4.8 KiB
Go
150 lines
4.8 KiB
Go
// Copyright 2017-2018 New Vector Ltd
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// Copyright 2019-2020 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/lib/pq"
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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/syncapi/storage/tables"
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"github.com/matrix-org/dendrite/syncapi/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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const accountDataSchema = `
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-- This sequence is shared between all the tables generated from kafka logs.
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CREATE SEQUENCE IF NOT EXISTS syncapi_stream_id;
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-- Stores the types of account data that a user set has globally and in each room
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-- and the stream ID when that type was last updated.
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CREATE TABLE IF NOT EXISTS syncapi_account_data_type (
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-- An incrementing ID which denotes the position in the log that this event resides at.
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id BIGINT PRIMARY KEY DEFAULT nextval('syncapi_stream_id'),
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-- ID of the user the data belongs to
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user_id TEXT NOT NULL,
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-- ID of the room the data is related to (empty string if not related to a specific room)
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room_id TEXT NOT NULL,
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-- Type of the data
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type TEXT NOT NULL,
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-- We don't want two entries of the same type for the same user
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CONSTRAINT syncapi_account_data_unique UNIQUE (user_id, room_id, type)
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);
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CREATE UNIQUE INDEX IF NOT EXISTS syncapi_account_data_id_idx ON syncapi_account_data_type(id, type);
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`
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const insertAccountDataSQL = "" +
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"INSERT INTO syncapi_account_data_type (user_id, room_id, type) VALUES ($1, $2, $3)" +
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" ON CONFLICT ON CONSTRAINT syncapi_account_data_unique" +
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" DO UPDATE SET id = nextval('syncapi_stream_id')" +
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" RETURNING id"
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const selectAccountDataInRangeSQL = "" +
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"SELECT id, room_id, type FROM syncapi_account_data_type" +
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" WHERE user_id = $1 AND id > $2 AND id <= $3" +
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" AND ( $4::text[] IS NULL OR type LIKE ANY($4) )" +
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" AND ( $5::text[] IS NULL OR NOT(type LIKE ANY($5)) )" +
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" ORDER BY id ASC LIMIT $6"
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const selectMaxAccountDataIDSQL = "" +
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"SELECT MAX(id) FROM syncapi_account_data_type"
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type accountDataStatements struct {
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insertAccountDataStmt *sql.Stmt
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selectAccountDataInRangeStmt *sql.Stmt
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selectMaxAccountDataIDStmt *sql.Stmt
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}
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func NewPostgresAccountDataTable(db *sql.DB) (tables.AccountData, error) {
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s := &accountDataStatements{}
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_, err := db.Exec(accountDataSchema)
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if err != nil {
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return nil, err
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}
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return s, sqlutil.StatementList{
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{&s.insertAccountDataStmt, insertAccountDataSQL},
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{&s.selectAccountDataInRangeStmt, selectAccountDataInRangeSQL},
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{&s.selectMaxAccountDataIDStmt, selectMaxAccountDataIDSQL},
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}.Prepare(db)
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}
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func (s *accountDataStatements) InsertAccountData(
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ctx context.Context, txn *sql.Tx,
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userID, roomID, dataType string,
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) (pos types.StreamPosition, err error) {
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err = s.insertAccountDataStmt.QueryRowContext(ctx, userID, roomID, dataType).Scan(&pos)
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return
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}
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func (s *accountDataStatements) SelectAccountDataInRange(
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ctx context.Context, txn *sql.Tx,
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userID string,
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r types.Range,
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accountDataEventFilter *gomatrixserverlib.EventFilter,
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) (data map[string][]string, pos types.StreamPosition, err error) {
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data = make(map[string][]string)
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rows, err := sqlutil.TxStmt(txn, s.selectAccountDataInRangeStmt).QueryContext(
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ctx, userID, r.Low(), r.High(),
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pq.StringArray(filterConvertTypeWildcardToSQL(accountDataEventFilter.Types)),
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pq.StringArray(filterConvertTypeWildcardToSQL(accountDataEventFilter.NotTypes)),
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accountDataEventFilter.Limit,
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)
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if err != nil {
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return
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}
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defer internal.CloseAndLogIfError(ctx, rows, "selectAccountDataInRange: rows.close() failed")
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var dataType string
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var roomID string
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var id types.StreamPosition
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for rows.Next() {
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if err = rows.Scan(&id, &roomID, &dataType); err != nil {
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return
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}
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if len(data[roomID]) > 0 {
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data[roomID] = append(data[roomID], dataType)
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} else {
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data[roomID] = []string{dataType}
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}
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if id > pos {
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pos = id
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}
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}
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if pos == 0 {
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pos = r.High()
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}
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return data, pos, rows.Err()
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}
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func (s *accountDataStatements) SelectMaxAccountDataID(
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ctx context.Context, txn *sql.Tx,
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) (id int64, err error) {
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var nullableID sql.NullInt64
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stmt := sqlutil.TxStmt(txn, s.selectMaxAccountDataIDStmt)
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err = stmt.QueryRowContext(ctx).Scan(&nullableID)
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if nullableID.Valid {
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id = nullableID.Int64
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}
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return
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}
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