wp

database/database.go

@@ -9,6 +9,7 @@ import (
 	"sync"
 	"time"
 
+	"gordenko.dev/dima/qb"
 	"gordenko.dev/dima/qb/inbox"
 	"gordenko.dev/dima/qb/recovery"
 	"gordenko.dev/dima/qb/storage"
@@ -85,6 +86,25 @@ func New(opt Options) (_ *Database, err error) {
 	storageInbox := inbox.New()
 	s.workerInbox = inbox.New()
 
+	// create separately, because needed for page cache
+	dataFile, err := os.OpenFile(
+		qb.GetDataFilePath(opt.Dir, opt.DatabaseName),
+		os.O_CREATE|os.O_RDWR,
+		0666,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	indexFile, err := os.OpenFile(
+		qb.GetIndexFilePath(opt.Dir, opt.DatabaseName),
+		os.O_CREATE|os.O_RDWR,
+		0666,
+	)
+	if err != nil {
+		return nil, err
+	}
+
 	s.storage, err = storage.NewWriter(storage.WriterOptions{
 		Inbox:         storageInbox,
 		WorkerInbox:   s.workerInbox,
@@ -93,6 +113,8 @@ func New(opt Options) (_ *Database, err error) {
 		WAL:           recoveryReport.WAL,
 		IndexFreeList: recoveryReport.IndexFreeList,
 		DataFreeList:  recoveryReport.DataFreeList,
+		DataFile:      dataFile,
+		IndexFile:     indexFile,
 		ExitCh:        s.exitCh,
 		WaitGroup:     s.waitGroup,
 	})