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Component-wide TransactionWriters (#1290)
* 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
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56 changed files with 483 additions and 483 deletions
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@ -30,6 +30,7 @@ import (
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// A Database implements gomatrixserverlib.KeyDatabase and is used to store
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// the public keys for other matrix servers.
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type Database struct {
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writer sqlutil.Writer
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statements serverKeyStatements
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}
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@ -47,8 +48,10 @@ func NewDatabase(
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if err != nil {
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return nil, err
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}
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d := &Database{}
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err = d.statements.prepare(db)
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d := &Database{
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writer: sqlutil.NewExclusiveWriter(),
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}
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err = d.statements.prepare(db, d.writer)
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if err != nil {
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return nil, err
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}
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@ -63,14 +63,14 @@ const upsertServerKeysSQL = "" +
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type serverKeyStatements struct {
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db *sql.DB
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writer sqlutil.TransactionWriter
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writer sqlutil.Writer
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bulkSelectServerKeysStmt *sql.Stmt
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upsertServerKeysStmt *sql.Stmt
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}
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func (s *serverKeyStatements) prepare(db *sql.DB) (err error) {
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func (s *serverKeyStatements) prepare(db *sql.DB, writer sqlutil.Writer) (err error) {
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s.db = db
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s.writer = sqlutil.NewTransactionWriter()
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s.writer = writer
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_, err = db.Exec(serverKeysSchema)
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if err != nil {
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return
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