wp

storage/storage.go

@@ -7,8 +7,8 @@ var (
 	//PageNoSize    = 4
 
 	// data page
-	DataPageSize            = 8192
-	DataPageFooterSize  int = 12
+	DataPageSize = 8192
+
 	DataPagePayloadSize int = DataPageSize - DataPageFooterSize
 
 	dataCRC32Idx      = DataPageSize - 4
@@ -17,13 +17,13 @@ var (
 	prevPageIdx       = DataPageSize - 12
 
 	// index page
-	IndexPageSize       = 1024
-	IndexPageFooterSize = 7
+	IndexPageSize = 1024
+
 	//indexPageIncSize     = IndexPageIncSize
-	indexCRC32Idx         = IndexPageSize - 4
-	indexRecordsCountIdx  = IndexPageSize - 6
-	isZeroLevelIdx        = IndexPageSize - 7
-	indexRecordSize       = 8
+	indexCRC32Idx        = IndexPageSize - 4
+	indexRecordsCountIdx = IndexPageSize - 6
+	isZeroLevelIdx       = IndexPageSize - 7
+
 	maxRecordsOnIndexPage = (IndexPageSize - IndexPageFooterSize) / indexRecordSize
 
 	// timestampSize  = 4
@@ -32,6 +32,12 @@ var (
 	// dataFooterIdx  = timestampsSizeIdx
 )
 
+const (
+	DataPageFooterSize  = 12
+	IndexPageFooterSize = 7
+	indexRecordSize     = 8
+)
+
 type IndexRecord struct {
 	Timestamp uint32
 	PageNo    uint32