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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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56 changed files with 483 additions and 483 deletions
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34
mediaapi/storage/sqlite3/thumbnail_table.go
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@ -21,6 +21,7 @@ import (
"time"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/mediaapi/types"
"github.com/matrix-org/gomatrixserverlib"
)
@ -57,16 +58,20 @@ SELECT content_type, file_size_bytes, creation_ts, width, height, resize_method
`
type thumbnailStatements struct {
db *sql.DB
writer sqlutil.Writer
insertThumbnailStmt *sql.Stmt
selectThumbnailStmt *sql.Stmt
selectThumbnailsStmt *sql.Stmt
}
func (s *thumbnailStatements) prepare(db *sql.DB) (err error) {
func (s *thumbnailStatements) prepare(db *sql.DB, writer sqlutil.Writer) (err error) {
_, err = db.Exec(thumbnailSchema)
if err != nil {
return
}
s.db = db
s.writer = writer
return statementList{
{&s.insertThumbnailStmt, insertThumbnailSQL},
@ -79,18 +84,21 @@ func (s *thumbnailStatements) insertThumbnail(
ctx context.Context, thumbnailMetadata *types.ThumbnailMetadata,
) error {
thumbnailMetadata.MediaMetadata.CreationTimestamp = types.UnixMs(time.Now().UnixNano() / 1000000)
_, err := s.insertThumbnailStmt.ExecContext(
ctx,
thumbnailMetadata.MediaMetadata.MediaID,
thumbnailMetadata.MediaMetadata.Origin,
thumbnailMetadata.MediaMetadata.ContentType,
thumbnailMetadata.MediaMetadata.FileSizeBytes,
thumbnailMetadata.MediaMetadata.CreationTimestamp,
thumbnailMetadata.ThumbnailSize.Width,
thumbnailMetadata.ThumbnailSize.Height,
thumbnailMetadata.ThumbnailSize.ResizeMethod,
)
return err
return s.writer.Do(s.db, nil, func(txn *sql.Tx) error {
stmt := sqlutil.TxStmt(txn, s.insertThumbnailStmt)
_, err := stmt.ExecContext(
ctx,
thumbnailMetadata.MediaMetadata.MediaID,
thumbnailMetadata.MediaMetadata.Origin,
thumbnailMetadata.MediaMetadata.ContentType,
thumbnailMetadata.MediaMetadata.FileSizeBytes,
thumbnailMetadata.MediaMetadata.CreationTimestamp,
thumbnailMetadata.ThumbnailSize.Width,
thumbnailMetadata.ThumbnailSize.Height,
thumbnailMetadata.ThumbnailSize.ResizeMethod,
)
return err
})
}
func (s *thumbnailStatements) selectThumbnail(