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Component-wide TransactionWriters (#1290)

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* Offset updates take place using TransactionWriter

* Refactor TransactionWriter in current state server

* Refactor TransactionWriter in federation sender

* Refactor TransactionWriter in key server

* Refactor TransactionWriter in media API

* Refactor TransactionWriter in server key API

* Refactor TransactionWriter in sync API

* Refactor TransactionWriter in user API

* Fix deadlocking Sync API tests

* Un-deadlock device database

* Fix appservice API

* Rename TransactionWriters to Writers

* Move writers up a layer in sync API

* Document sqlutil.Writer interface

* Add note to Writer documentation
This commit is contained in:
Neil Alexander 2020-08-21 10:42:08 +01:00 • committed by GitHub
parent 5aaf32bbed
commit 9d53351dc2
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GPG key ID: 4AEE18F83AFDEB23
56 changed files with 483 additions and 483 deletions
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30
federationsender/storage/sqlite3/queue_pdus_table.go
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@ -71,7 +71,6 @@ const selectQueuePDUsServerNamesSQL = "" +
type queuePDUsStatements struct {
db *sql.DB
writer sqlutil.TransactionWriter
insertQueuePDUStmt *sql.Stmt
selectQueueNextTransactionIDStmt *sql.Stmt
selectQueuePDUsByTransactionStmt *sql.Stmt
@ -83,8 +82,7 @@ type queuePDUsStatements struct {
func NewSQLiteQueuePDUsTable(db *sql.DB) (s *queuePDUsStatements, err error) {
s = &queuePDUsStatements{
db: db,
writer: sqlutil.NewTransactionWriter(),
db: db,
}
_, err = db.Exec(queuePDUsSchema)
if err != nil {
@ -121,16 +119,14 @@ func (s *queuePDUsStatements) InsertQueuePDU(
serverName gomatrixserverlib.ServerName,
nid int64,
) error {
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, s.insertQueuePDUStmt)
_, err := stmt.ExecContext(
ctx,
transactionID, // the transaction ID that we initially attempted
serverName, // destination server name
nid, // JSON blob NID
)
return err
})
stmt := sqlutil.TxStmt(txn, s.insertQueuePDUStmt)
_, err := stmt.ExecContext(
ctx,
transactionID, // the transaction ID that we initially attempted
serverName, // destination server name
nid, // JSON blob NID
)
return err
}
func (s *queuePDUsStatements) DeleteQueuePDUs(
@ -150,11 +146,9 @@ func (s *queuePDUsStatements) DeleteQueuePDUs(
params[k+1] = v
}
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, deleteStmt)
_, err := stmt.ExecContext(ctx, params...)
return err
})
stmt := sqlutil.TxStmt(txn, deleteStmt)
_, err = stmt.ExecContext(ctx, params...)
return err
}
func (s *queuePDUsStatements) SelectQueuePDUNextTransactionID(