mirror of
https://github.com/1f349/dendrite.git
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92 lines
2.5 KiB
Go
92 lines
2.5 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 sqlite3
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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/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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)
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const transactionsSchema = `
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CREATE TABLE IF NOT EXISTS roomserver_transactions (
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transaction_id TEXT NOT NULL,
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session_id INTEGER NOT NULL,
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user_id TEXT NOT NULL,
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event_id TEXT NOT NULL,
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PRIMARY KEY (transaction_id, session_id, user_id)
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);
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`
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const insertTransactionSQL = `
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INSERT INTO roomserver_transactions (transaction_id, session_id, user_id, event_id)
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VALUES ($1, $2, $3, $4)
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`
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const selectTransactionEventIDSQL = `
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SELECT event_id FROM roomserver_transactions
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WHERE transaction_id = $1 AND session_id = $2 AND user_id = $3
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`
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type transactionStatements struct {
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db *sql.DB
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insertTransactionStmt *sql.Stmt
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selectTransactionEventIDStmt *sql.Stmt
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}
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func createTransactionsTable(db *sql.DB) error {
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_, err := db.Exec(transactionsSchema)
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return err
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}
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func prepareTransactionsTable(db *sql.DB) (tables.Transactions, error) {
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s := &transactionStatements{
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db: db,
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}
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return s, sqlutil.StatementList{
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{&s.insertTransactionStmt, insertTransactionSQL},
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{&s.selectTransactionEventIDStmt, selectTransactionEventIDSQL},
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}.Prepare(db)
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}
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func (s *transactionStatements) InsertTransaction(
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ctx context.Context, txn *sql.Tx,
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transactionID string,
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sessionID int64,
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userID string,
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eventID string,
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) error {
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stmt := sqlutil.TxStmt(txn, s.insertTransactionStmt)
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_, err := stmt.ExecContext(
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ctx, transactionID, sessionID, userID, eventID,
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)
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return err
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}
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func (s *transactionStatements) SelectTransactionEventID(
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ctx context.Context,
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transactionID string,
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sessionID int64,
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userID string,
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) (eventID string, err error) {
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err = s.selectTransactionEventIDStmt.QueryRowContext(
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ctx, transactionID, sessionID, userID,
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).Scan(&eventID)
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return
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}
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