mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-10 06:53:00 +00:00
b6ea1bc67a
* Move current work into single branch * Initial massaging of clientapi etc (not working yet) * Interfaces for accounts/devices databases * Duplicate postgres package for sqlite3 (no changes made to it yet) * Some keydb, accountdb, devicedb, common partition fixes, some more syncapi tweaking * Fix accounts DB, device DB * Update naffka dependency for SQLite * Naffka SQLite * Update naffka to latest master * SQLite support for federationsender * Mostly not-bad support for SQLite in syncapi (although there are problems where lots of events get classed incorrectly as backward extremities, probably because of IN/ANY clauses that are badly supported) * Update Dockerfile -> Go 1.13.7, add build-base (as gcc and friends are needed for SQLite) * Implement GET endpoints for account_data in clientapi * Nuke filtering for now... * Revert "Implement GET endpoints for account_data in clientapi" This reverts commit 4d80dff4583d278620d9b3ed437e9fcd8d4674ee. * Implement GET endpoints for account_data in clientapi (#861) * Implement GET endpoints for account_data in clientapi * Fix accountDB parameter * Remove fmt.Println * Fix insertAccountData SQLite query * Fix accountDB storage interfaces * Add empty push rules into account data on account creation (#862) * Put SaveAccountData into the right function this time * Not sure if roomserver is better or worse now * sqlite work * Allow empty last sent ID for the first event * sqlite: room creation works * Support sending messages * Nuke fmt.println * Move QueryVariadic etc into common, other device fixes * Fix some linter issues * Fix bugs * Fix some linting errors * Fix errcheck lint errors * Make naffka use postgres as fallback, fix couple of compile errors * What on earth happened to the /rooms/{roomID}/send/{eventType} routing Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
// Copyright 2017 Vector Creations Ltd
|
|
//
|
|
// 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 implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package common
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
|
|
"github.com/lib/pq"
|
|
)
|
|
|
|
// A Transaction is something that can be committed or rolledback.
|
|
type Transaction interface {
|
|
// Commit the transaction
|
|
Commit() error
|
|
// Rollback the transaction.
|
|
Rollback() error
|
|
}
|
|
|
|
// EndTransaction ends a transaction.
|
|
// If the transaction succeeded then it is committed, otherwise it is rolledback.
|
|
// You MUST check the error returned from this function to be sure that the transaction
|
|
// was applied correctly. For example, 'database is locked' errors in sqlite will happen here.
|
|
func EndTransaction(txn Transaction, succeeded *bool) error {
|
|
if *succeeded {
|
|
return txn.Commit() // nolint: errcheck
|
|
} else {
|
|
return txn.Rollback() // nolint: errcheck
|
|
}
|
|
}
|
|
|
|
// WithTransaction runs a block of code passing in an SQL transaction
|
|
// If the code returns an error or panics then the transactions is rolledback
|
|
// Otherwise the transaction is committed.
|
|
func WithTransaction(db *sql.DB, fn func(txn *sql.Tx) error) (err error) {
|
|
txn, err := db.Begin()
|
|
if err != nil {
|
|
return
|
|
}
|
|
succeeded := false
|
|
defer func() {
|
|
err2 := EndTransaction(txn, &succeeded)
|
|
if err == nil && err2 != nil { // failed to commit/rollback
|
|
err = err2
|
|
}
|
|
}()
|
|
|
|
err = fn(txn)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
succeeded = true
|
|
return
|
|
}
|
|
|
|
// TxStmt wraps an SQL stmt inside an optional transaction.
|
|
// If the transaction is nil then it returns the original statement that will
|
|
// run outside of a transaction.
|
|
// Otherwise returns a copy of the statement that will run inside the transaction.
|
|
func TxStmt(transaction *sql.Tx, statement *sql.Stmt) *sql.Stmt {
|
|
if transaction != nil {
|
|
statement = transaction.Stmt(statement)
|
|
}
|
|
return statement
|
|
}
|
|
|
|
// IsUniqueConstraintViolationErr returns true if the error is a postgresql unique_violation error
|
|
func IsUniqueConstraintViolationErr(err error) bool {
|
|
pqErr, ok := err.(*pq.Error)
|
|
return ok && pqErr.Code == "23505"
|
|
}
|
|
|
|
// Hack of the century
|
|
func QueryVariadic(count int) string {
|
|
return QueryVariadicOffset(count, 0)
|
|
}
|
|
|
|
func QueryVariadicOffset(count, offset int) string {
|
|
str := "("
|
|
for i := 0; i < count; i++ {
|
|
str += fmt.Sprintf("$%d", i+offset+1)
|
|
if i < (count - 1) {
|
|
str += ", "
|
|
}
|
|
}
|
|
str += ")"
|
|
return str
|
|
}
|